./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC --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 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:23:25,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:23:25,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:23:25,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:23:25,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:23:25,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:23:25,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:23:25,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:23:25,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:23:25,683 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:23:25,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:23:25,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:23:25,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:23:25,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:23:25,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:23:25,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:23:25,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:23:25,686 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:23:25,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:25,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:25,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:23:25,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:23:25,688 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:23:25,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:23:25,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:23:25,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:23:25,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:23:25,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:23:25,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:23:25,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:23:25,689 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC 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 -> 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 [2024-11-24 00:23:26,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:23:26,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:23:26,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:23:26,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:23:26,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:23:26,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:23:29,793 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/88af30eea/ae0a16ec71c94dd885c2ad23c48e1e5c/FLAG7e2d13381 [2024-11-24 00:23:30,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:23:30,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:23:30,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/88af30eea/ae0a16ec71c94dd885c2ad23c48e1e5c/FLAG7e2d13381 [2024-11-24 00:23:30,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/88af30eea/ae0a16ec71c94dd885c2ad23c48e1e5c [2024-11-24 00:23:30,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:23:30,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:23:30,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:30,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:23:30,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:23:30,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30, skipping insertion in model container [2024-11-24 00:23:30,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:23:30,531 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2024-11-24 00:23:30,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:30,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:23:30,709 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2024-11-24 00:23:30,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:30,783 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:23:30,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30 WrapperNode [2024-11-24 00:23:30,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:30,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:30,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:23:30,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:23:30,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,895 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-11-24 00:23:30,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:30,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:23:30,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:23:30,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:23:30,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,935 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:23:30,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:23:30,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:23:30,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:23:30,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:23:30,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (1/1) ... [2024-11-24 00:23:30,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:31,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:23:31,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:23:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:23:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:23:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:23:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:23:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:23:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:23:31,192 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:23:31,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:23:31,943 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-24 00:23:31,944 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:23:31,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:23:31,957 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:23:31,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:31 BoogieIcfgContainer [2024-11-24 00:23:31,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:23:31,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:23:31,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:23:31,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:23:31,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:23:30" (1/3) ... [2024-11-24 00:23:31,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2633dc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:31, skipping insertion in model container [2024-11-24 00:23:31,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:30" (2/3) ... [2024-11-24 00:23:31,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2633dc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:23:31, skipping insertion in model container [2024-11-24 00:23:31,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:31" (3/3) ... [2024-11-24 00:23:31,973 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:23:31,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:23:31,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-16.i that has 2 procedures, 98 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:23:32,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:23:32,095 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;@4c2f3819, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:23:32,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:23:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:23:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:23:32,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:32,119 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:32,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:32,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1353894032, now seen corresponding path program 1 times [2024-11-24 00:23:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:32,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151538406] [2024-11-24 00:23:32,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:32,652 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 00:23:32,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:32,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151538406] [2024-11-24 00:23:32,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151538406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:23:32,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671289728] [2024-11-24 00:23:32,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:32,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:32,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:23:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:23:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:32,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:23:32,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:23:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 00:23:32,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:23:32,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671289728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:32,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:23:32,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:23:32,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921763646] [2024-11-24 00:23:32,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:32,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:23:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:32,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:23:32,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:23:32,994 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:23:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:23:33,046 INFO L93 Difference]: Finished difference Result 189 states and 317 transitions. [2024-11-24 00:23:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:23:33,049 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 145 [2024-11-24 00:23:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:23:33,060 INFO L225 Difference]: With dead ends: 189 [2024-11-24 00:23:33,061 INFO L226 Difference]: Without dead ends: 94 [2024-11-24 00:23:33,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:23:33,072 INFO L435 NwaCegarLoop]: 144 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, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:23:33,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:23:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-24 00:23:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-24 00:23:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 71 states have (on average 1.4366197183098592) internal successors, (102), 71 states have internal predecessors, (102), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:23:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-24 00:23:33,147 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 145 [2024-11-24 00:23:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:23:33,148 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-24 00:23:33,148 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:23:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-24 00:23:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:23:33,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:33,156 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:33,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:23:33,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:33,357 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:33,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:33,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1557747270, now seen corresponding path program 1 times [2024-11-24 00:23:33,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:33,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638348429] [2024-11-24 00:23:33,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:33,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 00:23:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638348429] [2024-11-24 00:23:34,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638348429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:34,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:23:34,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079673729] [2024-11-24 00:23:34,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:34,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:23:34,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:34,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:23:34,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:34,173 INFO L87 Difference]: Start difference. First operand 94 states and 144 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:23:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:23:34,356 INFO L93 Difference]: Finished difference Result 194 states and 295 transitions. [2024-11-24 00:23:34,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:23:34,361 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 145 [2024-11-24 00:23:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:23:34,363 INFO L225 Difference]: With dead ends: 194 [2024-11-24 00:23:34,363 INFO L226 Difference]: Without dead ends: 103 [2024-11-24 00:23:34,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:23:34,367 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 78 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:23:34,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 189 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:23:34,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-24 00:23:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2024-11-24 00:23:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-24 00:23:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 152 transitions. [2024-11-24 00:23:34,406 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 152 transitions. Word has length 145 [2024-11-24 00:23:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:23:34,407 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 152 transitions. [2024-11-24 00:23:34,407 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:23:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2024-11-24 00:23:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:23:34,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:34,416 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:34,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:23:34,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:34,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:34,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1457356348, now seen corresponding path program 1 times [2024-11-24 00:23:34,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:34,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30143779] [2024-11-24 00:23:34,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:34,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 00:23:36,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:36,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30143779] [2024-11-24 00:23:36,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30143779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:36,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:36,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:23:36,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769546954] [2024-11-24 00:23:36,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:36,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:23:36,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:36,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:23:36,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:23:36,066 INFO L87 Difference]: Start difference. First operand 102 states and 152 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:23:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:23:36,698 INFO L93 Difference]: Finished difference Result 387 states and 579 transitions. [2024-11-24 00:23:36,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:23:36,699 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 145 [2024-11-24 00:23:36,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:23:36,707 INFO L225 Difference]: With dead ends: 387 [2024-11-24 00:23:36,707 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 00:23:36,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:23:36,713 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 398 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:23:36,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 855 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:23:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 00:23:36,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 197. [2024-11-24 00:23:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 140 states have (on average 1.35) internal successors, (189), 141 states have internal predecessors, (189), 51 states have call successors, (51), 5 states have call predecessors, (51), 5 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 00:23:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 291 transitions. [2024-11-24 00:23:36,802 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 291 transitions. Word has length 145 [2024-11-24 00:23:36,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:23:36,803 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 291 transitions. [2024-11-24 00:23:36,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:23:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 291 transitions. [2024-11-24 00:23:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:23:36,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:36,807 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:36,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:23:36,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:36,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:36,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1148667206, now seen corresponding path program 1 times [2024-11-24 00:23:36,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:36,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533144184] [2024-11-24 00:23:36,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 00:23:41,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:41,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533144184] [2024-11-24 00:23:41,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533144184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:23:41,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:23:41,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:23:41,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167711972] [2024-11-24 00:23:41,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:41,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:23:41,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:41,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:23:41,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:23:41,754 INFO L87 Difference]: Start difference. First operand 197 states and 291 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 00:23:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:23:43,345 INFO L93 Difference]: Finished difference Result 441 states and 641 transitions. [2024-11-24 00:23:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:23:43,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 145 [2024-11-24 00:23:43,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:23:43,352 INFO L225 Difference]: With dead ends: 441 [2024-11-24 00:23:43,353 INFO L226 Difference]: Without dead ends: 261 [2024-11-24 00:23:43,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:23:43,357 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 303 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:23:43,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 243 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:23:43,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-24 00:23:43,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 205. [2024-11-24 00:23:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 148 states have (on average 1.3445945945945945) internal successors, (199), 149 states have internal predecessors, (199), 51 states have call successors, (51), 5 states have call predecessors, (51), 5 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 00:23:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 301 transitions. [2024-11-24 00:23:43,437 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 301 transitions. Word has length 145 [2024-11-24 00:23:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:23:43,437 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 301 transitions. [2024-11-24 00:23:43,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 00:23:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 301 transitions. [2024-11-24 00:23:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:23:43,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:43,441 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:43,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:23:43,441 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:43,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:43,442 INFO L85 PathProgramCache]: Analyzing trace with hash 339320580, now seen corresponding path program 1 times [2024-11-24 00:23:43,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:43,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668812837] [2024-11-24 00:23:43,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:43,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 00:23:44,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:23:44,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668812837] [2024-11-24 00:23:44,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668812837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:23:44,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870568297] [2024-11-24 00:23:44,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:44,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:44,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:44,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:23:44,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:23:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:23:44,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:23:44,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:23:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 476 proven. 63 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-24 00:23:45,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:23:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 51 proven. 66 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-24 00:23:45,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870568297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:23:45,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:23:45,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-24 00:23:45,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542986901] [2024-11-24 00:23:45,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:23:45,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:23:45,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:23:45,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:23:45,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:23:45,746 INFO L87 Difference]: Start difference. First operand 205 states and 301 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2024-11-24 00:23:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:23:47,467 INFO L93 Difference]: Finished difference Result 394 states and 566 transitions. [2024-11-24 00:23:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-24 00:23:47,468 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) Word has length 145 [2024-11-24 00:23:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:23:47,471 INFO L225 Difference]: With dead ends: 394 [2024-11-24 00:23:47,471 INFO L226 Difference]: Without dead ends: 206 [2024-11-24 00:23:47,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=385, Invalid=1421, Unknown=0, NotChecked=0, Total=1806 [2024-11-24 00:23:47,475 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 743 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:23:47,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 727 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:23:47,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-24 00:23:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 150. [2024-11-24 00:23:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 100 states have (on average 1.22) internal successors, (122), 100 states have internal predecessors, (122), 42 states have call successors, (42), 7 states have call predecessors, (42), 7 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 00:23:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 206 transitions. [2024-11-24 00:23:47,519 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 206 transitions. Word has length 145 [2024-11-24 00:23:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:23:47,520 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 206 transitions. [2024-11-24 00:23:47,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2024-11-24 00:23:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 206 transitions. [2024-11-24 00:23:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 00:23:47,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:23:47,523 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:23:47,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:23:47,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:47,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:23:47,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:23:47,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2056364013, now seen corresponding path program 1 times [2024-11-24 00:23:47,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:23:47,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502957311] [2024-11-24 00:23:47,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:23:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:23:47,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855791976] [2024-11-24 00:23:47,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:23:47,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:47,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:47,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:23:47,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:23:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:23:48,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:23:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:23:48,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:23:48,662 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:23:48,663 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:23:48,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:23:48,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:23:48,870 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-24 00:23:49,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:23:49,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:23:49 BoogieIcfgContainer [2024-11-24 00:23:49,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:23:49,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:23:49,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:23:49,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:23:49,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:23:31" (3/4) ... [2024-11-24 00:23:49,100 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:23:49,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:23:49,102 INFO L158 Benchmark]: Toolchain (without parser) took 18815.81ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 118.8MB in the beginning and 161.3MB in the end (delta: -42.5MB). Peak memory consumption was 220.1MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,103 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:23:49,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.62ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.88ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.7MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:23:49,105 INFO L158 Benchmark]: Boogie Preprocessor took 74.96ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 91.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,105 INFO L158 Benchmark]: RCFGBuilder took 985.50ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 113.2MB in the end (delta: -21.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,106 INFO L158 Benchmark]: TraceAbstraction took 17134.67ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 112.6MB in the beginning and 161.4MB in the end (delta: -48.7MB). Peak memory consumption was 206.3MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,107 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 402.7MB. Free memory was 161.4MB in the beginning and 161.3MB in the end (delta: 52.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:23:49,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.62ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.88ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 97.7MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.96ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 91.6MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 985.50ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 113.2MB in the end (delta: -21.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 17134.67ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 112.6MB in the beginning and 161.4MB in the end (delta: -48.7MB). Peak memory consumption was 206.3MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 402.7MB. Free memory was 161.4MB in the beginning and 161.3MB in the end (delta: 52.7kB). Peak memory consumption was 8.4MB. 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 179, overapproximation of someBinaryFLOATComparisonOperation at line 156, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 166, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 164, overapproximation of someUnaryFLOAToperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_7 = -25; [L24] signed char var_1_9 = 50; [L25] signed char var_1_10 = -128; [L26] signed char var_1_11 = 0; [L27] signed char var_1_12 = -32; [L28] signed long int var_1_13 = 16; [L29] unsigned char var_1_14 = 1; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_18 = 0; [L32] unsigned char var_1_19 = 0; [L33] unsigned char var_1_20 = 0; [L34] float var_1_21 = 127.25; [L35] float var_1_23 = 1.5; [L36] float var_1_24 = 100.5; [L37] signed char var_1_25 = 0; [L38] signed char var_1_26 = -2; [L39] signed char var_1_27 = 0; [L40] signed long int var_1_28 = -128; [L41] float var_1_30 = 9.375; [L42] double var_1_31 = 99999999.875; [L43] double var_1_32 = 4.8; [L44] unsigned short int var_1_33 = 0; [L45] unsigned short int var_1_35 = 54252; [L46] unsigned short int var_1_37 = 5; [L47] unsigned char var_1_38 = 4; [L48] signed char var_1_39 = -64; [L49] signed char last_1_var_1_10 = -128; [L50] unsigned char last_1_var_1_18 = 0; [L51] signed char last_1_var_1_25 = 0; [L52] unsigned short int last_1_var_1_33 = 0; [L53] signed char last_1_var_1_39 = -64; VAL [isInitial=0, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=50] [L183] isInitial = 1 [L184] FCALL initially() [L186] CALL updateLastVariables() [L172] last_1_var_1_10 = var_1_10 [L173] last_1_var_1_18 = var_1_18 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_33 = var_1_33 [L176] last_1_var_1_39 = var_1_39 VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=50] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_9 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L138] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L139] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L139] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L140] var_1_11 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L142] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L142] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=16, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L143] var_1_13 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L144] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L145] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L145] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L146] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L146] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L147] var_1_19 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L148] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L149] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L149] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L150] var_1_20 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L152] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L152] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_23=3/2, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L153] var_1_23 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L154] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_24=201/2, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L155] var_1_24 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L156] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-2, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L157] var_1_26 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L158] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L159] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L159] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=0, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L160] var_1_27 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L161] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L162] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L162] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_31=799999999/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L163] var_1_31 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L164] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_32=24/5, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L165] var_1_32 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L166] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=54252, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L167] var_1_35 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_35 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L168] RET assume_abort_if_not(var_1_35 >= 49150) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L169] CALL assume_abort_if_not(var_1_35 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L169] RET assume_abort_if_not(var_1_35 <= 65534) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L187] RET updateVariables() [L188] CALL step() [L57] unsigned char stepLocal_3 = last_1_var_1_18; VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_3=0, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L58] COND FALSE !(stepLocal_3 || var_1_20) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L61] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=0, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L65] var_1_18 = (! (var_1_19 || var_1_20)) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L66] COND TRUE (- var_1_24) < var_1_23 [L67] var_1_25 = (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=5, var_1_38=4, var_1_39=-64, var_1_7=-25, var_1_9=-1] [L69] var_1_37 = var_1_11 [L70] var_1_38 = var_1_11 [L71] var_1_39 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-25, var_1_9=-1] [L72] COND TRUE \read(var_1_18) [L73] var_1_7 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L75] signed char stepLocal_1 = var_1_9; VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_1=-1, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L76] COND FALSE !((last_1_var_1_10 + var_1_7) > stepLocal_1) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-32, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L79] COND TRUE (var_1_7 / var_1_13) == var_1_25 [L80] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=509/4, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L88] COND TRUE (var_1_11 - var_1_37) != -256 [L89] var_1_21 = ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L93] signed long int stepLocal_4 = var_1_28; VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=75/8, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L94] COND TRUE ((var_1_31 - var_1_32) + var_1_24) != var_1_23 [L95] var_1_30 = ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=0, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L101] COND TRUE var_1_28 < var_1_37 [L102] var_1_33 = (((26262 - var_1_11) + 18571) - var_1_38) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L122] signed long int stepLocal_0 = var_1_28; VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_0=-128, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L123] COND TRUE stepLocal_0 >= (var_1_37 * (10u * var_1_33)) [L124] var_1_1 = (var_1_10 + var_1_10) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L128] unsigned long int stepLocal_2 = 1u; VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_2=1, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L129] COND FALSE !((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == stepLocal_2) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=16, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L132] COND TRUE var_1_1 <= var_1_33 [L133] var_1_15 = ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, stepLocal_4=-128, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L188] RET step() [L189] CALL, EXPR property() [L179] EXPR ((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38))))) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L179-L180] return (((((((((((((((var_1_28 >= (var_1_37 * (10u * var_1_33))) ? (var_1_1 == ((signed short int) (var_1_10 + var_1_10))) : (var_1_1 == ((signed short int) var_1_10))) && (var_1_18 ? (var_1_7 == ((signed char) var_1_9)) : 1)) && (((last_1_var_1_10 + var_1_7) > var_1_9) ? (var_1_10 == ((signed char) (1 - var_1_11))) : 1)) && (((var_1_7 / var_1_13) == var_1_25) ? (var_1_12 == ((signed char) var_1_9)) : ((var_1_13 >= var_1_11) ? (var_1_12 == ((signed char) var_1_11)) : (var_1_12 == ((signed char) var_1_9))))) && (((((((var_1_13) < (25u)) ? (var_1_13) : (25u))) + var_1_33) == 1u) ? (var_1_14 == ((unsigned char) (! 0))) : 1)) && ((var_1_1 <= var_1_33) ? (var_1_15 == ((unsigned long int) ((((var_1_11) > (var_1_37)) ? (var_1_11) : (var_1_37))))) : 1)) && (var_1_18 == ((unsigned char) (! (var_1_19 || var_1_20))))) && (((var_1_11 - var_1_37) != -256) ? (var_1_21 == ((float) ((((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) < (var_1_24)) ? (((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) : (var_1_24))))) : (var_1_21 == ((float) var_1_23)))) && (((- var_1_24) < var_1_23) ? (var_1_25 == ((signed char) (((((-10) < (var_1_26)) ? (-10) : (var_1_26))) + var_1_27))) : 1)) && ((last_1_var_1_18 || var_1_20) ? (var_1_28 == ((signed long int) (((((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) > (last_1_var_1_25)) ? ((((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - (var_1_11 + last_1_var_1_33))) : (last_1_var_1_25))))) : (var_1_20 ? (var_1_28 == ((signed long int) ((((last_1_var_1_33) > ((last_1_var_1_39 + last_1_var_1_25))) ? (last_1_var_1_33) : ((last_1_var_1_39 + last_1_var_1_25)))))) : 1))) && ((((var_1_31 - var_1_32) + var_1_24) != var_1_23) ? (var_1_30 == ((float) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : ((var_1_28 <= var_1_10) ? (var_1_30 == ((float) var_1_23)) : 1))) && ((var_1_28 < var_1_37) ? (var_1_33 == ((unsigned short int) (((26262 - var_1_11) + 18571) - var_1_38))) : ((! var_1_18) ? ((var_1_10 != (var_1_38 & (var_1_11 - 32))) ? (var_1_33 == ((unsigned short int) ((((((var_1_35 - var_1_11) - var_1_38)) < (var_1_38)) ? (((var_1_35 - var_1_11) - var_1_38)) : (var_1_38))))) : (var_1_33 == ((unsigned short int) (var_1_35 - var_1_38)))) : ((128u > var_1_38) ? (((var_1_38 * var_1_38) == (var_1_38 & var_1_28)) ? (var_1_33 == ((unsigned short int) var_1_11)) : (var_1_33 == ((unsigned short int) ((((((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) < (var_1_38)) ? (((((var_1_11) > (var_1_35)) ? (var_1_11) : (var_1_35)))) : (var_1_38)))))) : (var_1_33 == ((unsigned short int) var_1_38)))))) && (var_1_37 == ((unsigned short int) var_1_11))) && (var_1_38 == ((unsigned char) var_1_11))) && (var_1_39 == ((signed char) var_1_11)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-128, last_1_var_1_18=0, last_1_var_1_25=0, last_1_var_1_33=0, last_1_var_1_39=-64, var_1_10=-128, var_1_11=0, var_1_12=-1, var_1_13=25, var_1_14=1, var_1_15=0, var_1_18=1, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=2, var_1_23=3, var_1_24=0, var_1_25=0, var_1_26=-10, var_1_27=10, var_1_28=-128, var_1_30=3, var_1_33=44833, var_1_35=49150, var_1_37=0, var_1_38=0, var_1_39=0, var_1_7=-1, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 6, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1522 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1522 mSDsluCounter, 2158 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1502 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1233 IncrementalHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 656 mSDtfsCounter, 1233 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 505 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=4, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 208 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1152 ConstructedInterpolants, 0 QuantifiedInterpolants, 3927 SizeOfPredicates, 3 NumberOfNonLiveVariables, 741 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 6521/6720 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 [2024-11-24 00:23:49,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC --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 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:23:52,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:23:52,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:23:52,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:23:52,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:23:52,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:23:52,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:23:52,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:23:52,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:23:52,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:23:52,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:23:52,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:23:52,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:23:52,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:23:52,607 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:23:52,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:23:52,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:23:52,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:23:52,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:23:52,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:23:52,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:23:52,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:23:52,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:23:52,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:23:52,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:23:52,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:23:52,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:23:52,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:23:52,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:23:52,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:52,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:23:52,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:23:52,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:23:52,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:23:52,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:52,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:23:52,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:23:52,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:23:52,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:23:52,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:23:52,617 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC 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 -> 82fbcd39199a525399eb28d721839336007b212e1ad38780097336285e9776e8 [2024-11-24 00:23:53,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:23:53,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:23:53,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:23:53,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:23:53,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:23:53,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:23:56,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/3b6e5726c/e95c6486d66a42369de5fe63e31b31fa/FLAGcf109e532 [2024-11-24 00:23:57,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:23:57,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:23:57,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/3b6e5726c/e95c6486d66a42369de5fe63e31b31fa/FLAGcf109e532 [2024-11-24 00:23:57,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/data/3b6e5726c/e95c6486d66a42369de5fe63e31b31fa [2024-11-24 00:23:57,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:23:57,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:23:57,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:57,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:23:57,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:23:57,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a44e5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57, skipping insertion in model container [2024-11-24 00:23:57,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:23:57,481 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2024-11-24 00:23:57,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:57,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:23:57,671 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_e967d174-ab21-4f31-bfec-0ce224d0dbdf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-16.i[916,929] [2024-11-24 00:23:57,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:23:57,752 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:23:57,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57 WrapperNode [2024-11-24 00:23:57,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:23:57,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:57,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:23:57,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:23:57,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,855 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-24 00:23:57,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:23:57,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:23:57,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:23:57,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:23:57,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,905 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:23:57,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:23:57,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:23:57,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:23:57,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:23:57,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (1/1) ... [2024-11-24 00:23:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:23:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:23:57,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:23:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:23:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:23:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:23:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:23:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:23:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:23:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:23:58,193 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:23:58,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:24:09,468 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:24:09,468 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:24:09,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:24:09,489 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:24:09,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:09 BoogieIcfgContainer [2024-11-24 00:24:09,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:24:09,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:24:09,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:24:09,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:24:09,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:23:57" (1/3) ... [2024-11-24 00:24:09,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2914b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:09, skipping insertion in model container [2024-11-24 00:24:09,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:23:57" (2/3) ... [2024-11-24 00:24:09,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2914b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:09, skipping insertion in model container [2024-11-24 00:24:09,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:09" (3/3) ... [2024-11-24 00:24:09,504 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-16.i [2024-11-24 00:24:09,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:24:09,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-16.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:24:09,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:24:09,615 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;@7e85af4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:24:09,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:24:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:24:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 00:24:09,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:09,638 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:24:09,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:09,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:09,644 INFO L85 PathProgramCache]: Analyzing trace with hash -871836568, now seen corresponding path program 1 times [2024-11-24 00:24:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307872131] [2024-11-24 00:24:09,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:09,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:09,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:24:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:10,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:24:10,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-24 00:24:10,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:24:10,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307872131] [2024-11-24 00:24:10,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307872131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:10,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:24:10,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:24:10,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418604848] [2024-11-24 00:24:10,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:10,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:24:10,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:10,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:24:10,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:10,382 INFO L87 Difference]: Start difference. First operand has 76 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:24:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:10,428 INFO L93 Difference]: Finished difference Result 145 states and 249 transitions. [2024-11-24 00:24:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:24:10,431 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 143 [2024-11-24 00:24:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:10,443 INFO L225 Difference]: With dead ends: 145 [2024-11-24 00:24:10,443 INFO L226 Difference]: Without dead ends: 72 [2024-11-24 00:24:10,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:10,452 INFO L435 NwaCegarLoop]: 110 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, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:10,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:24:10,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-24 00:24:10,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-24 00:24:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:24:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2024-11-24 00:24:10,509 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 143 [2024-11-24 00:24:10,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:10,509 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2024-11-24 00:24:10,510 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:24:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-11-24 00:24:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 00:24:10,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:10,516 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:24:10,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:24:10,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:10,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:10,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash 482563998, now seen corresponding path program 1 times [2024-11-24 00:24:10,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:10,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409968093] [2024-11-24 00:24:10,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:10,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:10,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:10,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:10,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:24:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:11,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:24:11,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-24 00:24:13,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:24:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 00:24:14,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:14,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409968093] [2024-11-24 00:24:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409968093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:24:14,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:24:14,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 10 [2024-11-24 00:24:14,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038323739] [2024-11-24 00:24:14,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:24:14,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:24:14,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:14,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:24:14,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:24:14,555 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-24 00:24:18,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:24:21,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:24:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:22,280 INFO L93 Difference]: Finished difference Result 292 states and 445 transitions. [2024-11-24 00:24:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:24:22,281 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 143 [2024-11-24 00:24:22,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:22,285 INFO L225 Difference]: With dead ends: 292 [2024-11-24 00:24:22,285 INFO L226 Difference]: Without dead ends: 223 [2024-11-24 00:24:22,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 277 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:24:22,287 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 371 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:22,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 514 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-24 00:24:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-24 00:24:22,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 184. [2024-11-24 00:24:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 129 states have (on average 1.4031007751937985) internal successors, (181), 130 states have internal predecessors, (181), 51 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 00:24:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 283 transitions. [2024-11-24 00:24:22,340 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 283 transitions. Word has length 143 [2024-11-24 00:24:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:22,341 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 283 transitions. [2024-11-24 00:24:22,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-24 00:24:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2024-11-24 00:24:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:24:22,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:22,348 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:24:22,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:24:22,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:22,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:22,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash 577043965, now seen corresponding path program 1 times [2024-11-24 00:24:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405417090] [2024-11-24 00:24:22,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:22,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:22,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:22,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:22,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:24:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:22,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:24:22,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-24 00:24:24,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:24:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 00:24:24,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:24,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405417090] [2024-11-24 00:24:24,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405417090] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:24:24,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:24:24,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-24 00:24:24,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991858598] [2024-11-24 00:24:24,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:24,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:24:24,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:24,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:24:24,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:24:24,483 INFO L87 Difference]: Start difference. First operand 184 states and 283 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:24:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:24:28,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:28,698 INFO L93 Difference]: Finished difference Result 377 states and 572 transitions. [2024-11-24 00:24:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:24:28,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-11-24 00:24:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:28,704 INFO L225 Difference]: With dead ends: 377 [2024-11-24 00:24:28,705 INFO L226 Difference]: Without dead ends: 196 [2024-11-24 00:24:28,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:24:28,707 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 46 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:28,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 151 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 00:24:28,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-24 00:24:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-24 00:24:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 138 states have (on average 1.3478260869565217) internal successors, (186), 139 states have internal predecessors, (186), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-24 00:24:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 288 transitions. [2024-11-24 00:24:28,759 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 288 transitions. Word has length 144 [2024-11-24 00:24:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:28,760 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 288 transitions. [2024-11-24 00:24:28,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:24:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 288 transitions. [2024-11-24 00:24:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:24:28,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:28,765 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:24:28,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:24:28,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:28,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:28,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:28,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1163849979, now seen corresponding path program 1 times [2024-11-24 00:24:28,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:28,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759783688] [2024-11-24 00:24:28,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:28,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:28,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:28,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:24:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:29,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:24:29,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-24 00:24:32,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:24:41,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:41,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759783688] [2024-11-24 00:24:41,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759783688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:24:41,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [149615843] [2024-11-24 00:24:41,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:24:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:24:41,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:24:41,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 00:24:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:42,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:24:42,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-24 00:24:44,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:24:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [149615843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:24:45,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:24:45,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2024-11-24 00:24:45,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351038981] [2024-11-24 00:24:45,341 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:24:45,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:24:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:45,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:24:45,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:24:45,344 INFO L87 Difference]: Start difference. First operand 196 states and 288 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:24:51,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:24:55,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:24:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:55,216 INFO L93 Difference]: Finished difference Result 592 states and 859 transitions. [2024-11-24 00:24:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:24:55,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2024-11-24 00:24:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:55,222 INFO L225 Difference]: With dead ends: 592 [2024-11-24 00:24:55,222 INFO L226 Difference]: Without dead ends: 399 [2024-11-24 00:24:55,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:24:55,225 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 85 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:55,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 489 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-24 00:24:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-24 00:24:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 382. [2024-11-24 00:24:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 264 states have (on average 1.2954545454545454) internal successors, (342), 266 states have internal predecessors, (342), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-24 00:24:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 546 transitions. [2024-11-24 00:24:55,305 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 546 transitions. Word has length 144 [2024-11-24 00:24:55,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:55,306 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 546 transitions. [2024-11-24 00:24:55,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:24:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 546 transitions. [2024-11-24 00:24:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:24:55,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:55,309 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:24:55,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:24:55,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:24:55,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:55,710 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:55,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1973196605, now seen corresponding path program 1 times [2024-11-24 00:24:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:55,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31982091] [2024-11-24 00:24:55,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:55,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:55,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Waiting until timeout for monitored process [2024-11-24 00:24:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:56,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:24:56,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 00:24:56,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:24:56,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31982091] [2024-11-24 00:24:56,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31982091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:56,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:24:56,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:24:56,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283607393] [2024-11-24 00:24:56,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:56,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:24:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:56,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:24:56,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:24:56,388 INFO L87 Difference]: Start difference. First operand 382 states and 546 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:25:00,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:25:05,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:25:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:05,397 INFO L93 Difference]: Finished difference Result 1029 states and 1478 transitions. [2024-11-24 00:25:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:25:05,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-11-24 00:25:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:05,404 INFO L225 Difference]: With dead ends: 1029 [2024-11-24 00:25:05,405 INFO L226 Difference]: Without dead ends: 650 [2024-11-24 00:25:05,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:25:05,408 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 161 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:05,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 428 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2024-11-24 00:25:05,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-24 00:25:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 447. [2024-11-24 00:25:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 304 states have (on average 1.2467105263157894) internal successors, (379), 307 states have internal predecessors, (379), 123 states have call successors, (123), 19 states have call predecessors, (123), 19 states have return successors, (123), 120 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-24 00:25:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 625 transitions. [2024-11-24 00:25:05,536 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 625 transitions. Word has length 144 [2024-11-24 00:25:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:05,537 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 625 transitions. [2024-11-24 00:25:05,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 00:25:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 625 transitions. [2024-11-24 00:25:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:25:05,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:05,540 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:05,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/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 (7)] Ended with exit code 0 [2024-11-24 00:25:05,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:25:05,741 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:05,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:05,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2030454907, now seen corresponding path program 1 times [2024-11-24 00:25:05,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:25:05,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026763290] [2024-11-24 00:25:05,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:05,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:25:05,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:25:05,744 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:25:05,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e967d174-ab21-4f31-bfec-0ce224d0dbdf/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Waiting until timeout for monitored process [2024-11-24 00:25:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:06,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 00:25:06,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:25:49,758 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:26:55,641 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:27:35,662 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:27:47,661 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:30:48,958 WARN L286 SmtUtils]: Spent 1.59m on a formula simplification. DAG size of input: 119 DAG size of output: 120 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:31:31,957 WARN L286 SmtUtils]: Spent 6.92s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:32:25,389 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:32:38,505 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:33:16,510 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:33:20,550 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (fp.lt c_~var_1_23~0 c_~var_1_24~0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 (fp.neg .cse2)) (.cse4 (not .cse5)) (.cse7 ((_ sign_extend 24) c_~var_1_11~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_19~0))) (or (and (= (_ bv1 8) c_~var_1_18~0) .cse0) (and (= (_ bv0 8) c_~var_1_18~0) (not .cse0)))) (not (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_31~0 c_~var_1_32~0) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_24~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_23~0))) (= c_~last_1_var_1_18~0 (_ bv0 8)) (or (and (fp.leq c_~var_1_23~0 .cse1) (fp.geq c_~var_1_23~0 .cse2)) (fp.leq c_~var_1_23~0 .cse3)) (= (_ bv0 32) (bvadd (_ bv128 32) c_~var_1_28~0)) (or (and .cse4 (= c_~var_1_21~0 c_~var_1_24~0)) (and .cse5 (let ((.cse6 (fp.lt c_~var_1_23~0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))))) (or (and .cse6 (= (fp.neg c_~var_1_23~0) c_~var_1_21~0)) (and (= c_~var_1_21~0 c_~var_1_23~0) (not .cse6)))))) (= c_~var_1_39~0 c_~var_1_11~0) (= c_~var_1_12~0 c_~var_1_9~0) (or (and (fp.leq c_~var_1_24~0 .cse1) (fp.geq c_~var_1_24~0 .cse2)) (fp.leq c_~var_1_24~0 .cse3)) (or (and .cse4 (= c_~var_1_30~0 c_~var_1_24~0)) (and .cse5 (= c_~var_1_30~0 c_~var_1_23~0))) (= c_~var_1_7~0 c_~var_1_9~0) (= c_~var_1_37~0 ((_ sign_extend 8) c_~var_1_11~0)) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv0 32)) (fp.lt (fp.neg c_~var_1_24~0) c_~var_1_23~0) (= (_ bv1 8) c_~var_1_14~0) (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_38~0)) (_ bv44833 32) (bvneg .cse7))) c_~var_1_33~0) (= (bvsdiv ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_13~0) ((_ sign_extend 24) c_~var_1_25~0)) (= (bvadd (_ bv128 8) c_~var_1_10~0) (_ bv0 8)) (= (_ bv128 8) c_~last_1_var_1_10~0) (= c_~var_1_38~0 c_~var_1_11~0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 ((_ sign_extend 24) c_~var_1_26~0))) (let ((.cse10 (bvslt (_ bv4294967286 32) .cse9)) (.cse8 ((_ sign_extend 24) c_~var_1_27~0))) (or (and (= c_~var_1_25~0 ((_ extract 7 0) (bvadd .cse8 .cse9))) (not .cse10)) (and .cse10 (= ((_ extract 7 0) (bvadd .cse8 (_ bv4294967286 32))) c_~var_1_25~0))))) (bvsge .cse7 (_ bv0 32))))) is different from false [2024-11-24 00:33:47,332 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:34:04,424 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:34:45,988 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:34:52,044 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:35:04,422 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:35:36,076 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:35:48,285 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:36:02,638 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:36:26,628 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:36:35,593 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:36:47,400 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:37:39,142 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:38:23,396 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)