./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB --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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:15,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:15,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:08:15,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:15,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:15,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:15,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:15,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:15,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:15,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:15,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:15,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:15,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:15,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:15,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:15,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:15,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:15,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:15,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:08:15,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:15,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:15,988 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:15,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:15,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:15,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:15,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:15,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:15,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:15,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:15,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:08:15,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:08:15,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:15,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:15,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:15,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:15,990 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-27 20:08:16,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:16,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:16,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:16,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:16,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:16,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:19,987 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/f345c7e18/4322836baf804bf19729c9216a41e6ad/FLAGbd7d36c62 [2024-11-27 20:08:20,390 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:20,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:20,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/f345c7e18/4322836baf804bf19729c9216a41e6ad/FLAGbd7d36c62 [2024-11-27 20:08:20,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/f345c7e18/4322836baf804bf19729c9216a41e6ad [2024-11-27 20:08:20,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:20,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:20,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:20,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:20,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:20,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d04643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20, skipping insertion in model container [2024-11-27 20:08:20,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:20,702 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i[913,926] [2024-11-27 20:08:20,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:20,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:20,830 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i[913,926] [2024-11-27 20:08:20,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:20,885 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:20,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20 WrapperNode [2024-11-27 20:08:20,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:20,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:20,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:20,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:20,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,959 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-11-27 20:08:20,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:20,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:20,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:20,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:20,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:20,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,012 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:08:21,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:21,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:21,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:21,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:21,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (1/1) ... [2024-11-27 20:08:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:21,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:21,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:08:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:08:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:08:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:21,269 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:21,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:21,854 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:21,854 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:21,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:21,873 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:08:21,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:21 BoogieIcfgContainer [2024-11-27 20:08:21,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:21,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:21,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:21,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:21,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:20" (1/3) ... [2024-11-27 20:08:21,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5167f000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:21, skipping insertion in model container [2024-11-27 20:08:21,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:20" (2/3) ... [2024-11-27 20:08:21,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5167f000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:21, skipping insertion in model container [2024-11-27 20:08:21,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:21" (3/3) ... [2024-11-27 20:08:21,894 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:21,915 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:21,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-38.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:08:22,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:22,038 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;@5ba86984, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:22,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:08:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:08:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:08:22,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:22,066 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:22,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:22,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash 934595209, now seen corresponding path program 1 times [2024-11-27 20:08:22,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:22,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243762013] [2024-11-27 20:08:22,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-27 20:08:22,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:22,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243762013] [2024-11-27 20:08:22,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243762013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:22,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628492228] [2024-11-27 20:08:22,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:22,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:22,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:22,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:22,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:08:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:22,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:08:22,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-27 20:08:22,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:22,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628492228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:22,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:22,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:08:22,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872276860] [2024-11-27 20:08:22,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:22,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:08:22,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:23,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:08:23,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:08:23,020 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:08:23,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:23,067 INFO L93 Difference]: Finished difference Result 135 states and 232 transitions. [2024-11-27 20:08:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:08:23,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2024-11-27 20:08:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:23,079 INFO L225 Difference]: With dead ends: 135 [2024-11-27 20:08:23,079 INFO L226 Difference]: Without dead ends: 67 [2024-11-27 20:08:23,086 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 [2024-11-27 20:08:23,092 INFO L435 NwaCegarLoop]: 101 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, 101 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 [2024-11-27 20:08:23,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:23,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-27 20:08:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-27 20:08:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:08:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-27 20:08:23,156 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 141 [2024-11-27 20:08:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:23,159 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-27 20:08:23,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:08:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-27 20:08:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:08:23,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:23,166 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:23,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:08:23,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:08:23,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:23,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:23,372 INFO L85 PathProgramCache]: Analyzing trace with hash -689160939, now seen corresponding path program 1 times [2024-11-27 20:08:23,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:23,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238633821] [2024-11-27 20:08:23,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:23,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 20:08:24,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:24,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238633821] [2024-11-27 20:08:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238633821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:24,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:24,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:08:24,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967007576] [2024-11-27 20:08:24,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:24,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:24,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:24,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:24,836 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:08:25,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:25,365 INFO L93 Difference]: Finished difference Result 254 states and 386 transitions. [2024-11-27 20:08:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:08:25,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2024-11-27 20:08:25,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:25,373 INFO L225 Difference]: With dead ends: 254 [2024-11-27 20:08:25,373 INFO L226 Difference]: Without dead ends: 190 [2024-11-27 20:08:25,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:08:25,375 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 207 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:25,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 395 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:08:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-27 20:08:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 129. [2024-11-27 20:08:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-27 20:08:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2024-11-27 20:08:25,448 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 141 [2024-11-27 20:08:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:25,448 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2024-11-27 20:08:25,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:08:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2024-11-27 20:08:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 20:08:25,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:25,455 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:25,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:08:25,455 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:25,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:25,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1961988879, now seen corresponding path program 1 times [2024-11-27 20:08:25,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:25,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712557312] [2024-11-27 20:08:25,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:25,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 20:08:26,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:26,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712557312] [2024-11-27 20:08:26,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712557312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:26,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:26,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:08:26,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856540192] [2024-11-27 20:08:26,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:26,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:26,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:26,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:26,201 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:08:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:26,783 INFO L93 Difference]: Finished difference Result 419 states and 643 transitions. [2024-11-27 20:08:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:08:26,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-27 20:08:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:26,788 INFO L225 Difference]: With dead ends: 419 [2024-11-27 20:08:26,789 INFO L226 Difference]: Without dead ends: 293 [2024-11-27 20:08:26,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:08:26,792 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 96 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:26,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 344 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:08:26,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-27 20:08:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 255. [2024-11-27 20:08:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 162 states have internal predecessors, (216), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-27 20:08:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 392 transitions. [2024-11-27 20:08:26,901 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 392 transitions. Word has length 142 [2024-11-27 20:08:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:26,902 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 392 transitions. [2024-11-27 20:08:26,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:08:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 392 transitions. [2024-11-27 20:08:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 20:08:26,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:26,906 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:26,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:08:26,907 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash 950871629, now seen corresponding path program 1 times [2024-11-27 20:08:26,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:26,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707345450] [2024-11-27 20:08:26,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-27 20:08:27,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:27,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707345450] [2024-11-27 20:08:27,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707345450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:27,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989847382] [2024-11-27 20:08:27,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:27,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:27,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:08:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:27,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:08:27,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 477 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-27 20:08:28,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 27 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-27 20:08:29,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989847382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:29,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:29,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 17 [2024-11-27 20:08:29,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221798500] [2024-11-27 20:08:29,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:29,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:08:29,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:29,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:08:29,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:08:29,348 INFO L87 Difference]: Start difference. First operand 255 states and 392 transitions. Second operand has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) [2024-11-27 20:08:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:30,598 INFO L93 Difference]: Finished difference Result 641 states and 974 transitions. [2024-11-27 20:08:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 20:08:30,599 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) Word has length 142 [2024-11-27 20:08:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:30,605 INFO L225 Difference]: With dead ends: 641 [2024-11-27 20:08:30,605 INFO L226 Difference]: Without dead ends: 389 [2024-11-27 20:08:30,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2024-11-27 20:08:30,612 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 371 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:30,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 441 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:08:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-27 20:08:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 289. [2024-11-27 20:08:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 194 states have (on average 1.365979381443299) internal successors, (265), 194 states have internal predecessors, (265), 88 states have call successors, (88), 6 states have call predecessors, (88), 6 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-27 20:08:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 441 transitions. [2024-11-27 20:08:30,725 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 441 transitions. Word has length 142 [2024-11-27 20:08:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:30,726 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 441 transitions. [2024-11-27 20:08:30,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 7 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 7 states have call predecessors, (66), 7 states have call successors, (66) [2024-11-27 20:08:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 441 transitions. [2024-11-27 20:08:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-27 20:08:30,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:30,730 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:30,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:08:30,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:30,934 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:30,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:30,935 INFO L85 PathProgramCache]: Analyzing trace with hash -169506479, now seen corresponding path program 1 times [2024-11-27 20:08:30,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72114131] [2024-11-27 20:08:30,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:08:31,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188421709] [2024-11-27 20:08:31,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:31,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:31,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:31,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:31,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:08:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:31,360 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:31,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:08:31,605 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:08:31,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:08:31,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:08:31,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:31,812 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 20:08:31,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:08:31,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:08:31 BoogieIcfgContainer [2024-11-27 20:08:31,926 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:08:31,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:08:31,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:08:31,928 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:08:31,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:21" (3/4) ... [2024-11-27 20:08:31,931 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:08:31,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:08:31,934 INFO L158 Benchmark]: Toolchain (without parser) took 11491.61ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 105.1MB in the beginning and 146.4MB in the end (delta: -41.4MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:31,934 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:31,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.85ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:08:31,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.57ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:31,935 INFO L158 Benchmark]: Boogie Preprocessor took 84.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:31,936 INFO L158 Benchmark]: RCFGBuilder took 828.71ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 68.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:08:31,936 INFO L158 Benchmark]: TraceAbstraction took 10047.24ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 67.7MB in the beginning and 146.5MB in the end (delta: -78.8MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2024-11-27 20:08:31,937 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 369.1MB. Free memory was 146.5MB in the beginning and 146.4MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:31,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.85ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.57ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 828.71ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 68.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10047.24ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 67.7MB in the beginning and 146.5MB in the end (delta: -78.8MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 369.1MB. Free memory was 146.5MB in the beginning and 146.4MB in the end (delta: 115.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned short int last_1_var_1_8 = 4; [L41] signed short int last_1_var_1_21 = -64; [L42] signed char last_1_var_1_25 = -128; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L133] isInitial = 1 [L134] FCALL initially() [L136] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_21 = var_1_21 [L126] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=4] [L136] RET updateLastVariables() [L137] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L89] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_7=0, var_1_8=4] [L93] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L93] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L94] var_1_11 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L95] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L96] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L97] var_1_12 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L98] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L99] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L100] var_1_13 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L101] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L102] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L103] var_1_15 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L104] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L105] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L106] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L107] var_1_16 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L108] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L109] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L110] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L111] var_1_17 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L112] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L114] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L116] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L119] var_1_26 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L120] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L121] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L137] RET updateVariables() [L138] CALL step() [L46] EXPR last_1_var_1_8 >> var_1_15 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L46] COND TRUE (last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15) [L47] var_1_21 = (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L51] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L52] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, stepLocal_1=-1, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L53] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L58] var_1_8 = var_1_13 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L60] COND TRUE ! (var_1_21 > var_1_8) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L61] COND TRUE \read(var_1_4) [L62] var_1_25 = var_1_26 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=9, var_1_16=65, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L65] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L72] var_1_14 = var_1_18 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L74] COND TRUE (- var_1_14) <= var_1_14 [L75] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L83] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L84] var_1_7 = (var_1_1 && (! 1)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, stepLocal_0=-128, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L129-L130] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9, var_1_16=65, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-127, var_1_26=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 693 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 674 mSDsluCounter, 1281 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 877 mSDsCounter, 313 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 726 IncrementalHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 313 mSolverCounterUnsat, 404 mSDtfsCounter, 726 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 4 MinimizatonAttempts, 199 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1135 NumberOfCodeBlocks, 1135 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 2696 SizeOfPredicates, 2 NumberOfNonLiveVariables, 659 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 6345/6468 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 [2024-11-27 20:08:31,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB --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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:35,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:35,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:08:35,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:35,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:35,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:35,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:35,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:35,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:35,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:35,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:35,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:35,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:35,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:35,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:35,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:35,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:35,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:35,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:35,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:35,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:35,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:35,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:35,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:35,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:35,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:35,633 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-27 20:08:36,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:36,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:36,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:36,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:36,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:36,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:39,764 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/008f8e67a/8c2c93f393f747c18b8f88c2c15e1ca9/FLAG37108e382 [2024-11-27 20:08:40,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:40,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:40,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/008f8e67a/8c2c93f393f747c18b8f88c2c15e1ca9/FLAG37108e382 [2024-11-27 20:08:40,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/data/008f8e67a/8c2c93f393f747c18b8f88c2c15e1ca9 [2024-11-27 20:08:40,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:40,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:40,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:40,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:40,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:40,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acb8ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40, skipping insertion in model container [2024-11-27 20:08:40,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:40,661 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i[913,926] [2024-11-27 20:08:40,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:40,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:40,768 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_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-38.i[913,926] [2024-11-27 20:08:40,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:40,832 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:40,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40 WrapperNode [2024-11-27 20:08:40,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:40,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:40,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:40,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:40,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,900 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-27 20:08:40,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:40,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:40,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:40,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:40,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,939 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]. [2024-11-27 20:08:40,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:40,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:40,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:40,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:40,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (1/1) ... [2024-11-27 20:08:40,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:41,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:41,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:41,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:08:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:08:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:08:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:41,218 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:41,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:48,071 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:48,072 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:48,090 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:48,093 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:08:48,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:48 BoogieIcfgContainer [2024-11-27 20:08:48,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:48,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:48,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:48,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:48,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:40" (1/3) ... [2024-11-27 20:08:48,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1a2a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:48, skipping insertion in model container [2024-11-27 20:08:48,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:40" (2/3) ... [2024-11-27 20:08:48,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1a2a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:48, skipping insertion in model container [2024-11-27 20:08:48,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:48" (3/3) ... [2024-11-27 20:08:48,113 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-38.i [2024-11-27 20:08:48,133 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:48,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-38.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:08:48,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:48,243 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;@1db8f6ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:48,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:08:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:08:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 20:08:48,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:48,271 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:48,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:48,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:48,280 INFO L85 PathProgramCache]: Analyzing trace with hash 320053936, now seen corresponding path program 1 times [2024-11-27 20:08:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:08:48,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009902369] [2024-11-27 20:08:48,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:48,302 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 [2024-11-27 20:08:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:08:48,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:08:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:08:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:49,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:08:49,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-27 20:08:49,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:49,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:08:49,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009902369] [2024-11-27 20:08:49,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009902369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:49,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:49,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:49,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15811964] [2024-11-27 20:08:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:49,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:08:49,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:08:49,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:08:49,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:08:49,344 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:08:49,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:49,374 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2024-11-27 20:08:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:08:49,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2024-11-27 20:08:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:49,385 INFO L225 Difference]: With dead ends: 121 [2024-11-27 20:08:49,386 INFO L226 Difference]: Without dead ends: 60 [2024-11-27 20:08:49,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:08:49,394 INFO L435 NwaCegarLoop]: 90 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, 90 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 [2024-11-27 20:08:49,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-27 20:08:49,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-27 20:08:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:08:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-27 20:08:49,461 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 138 [2024-11-27 20:08:49,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:49,462 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-27 20:08:49,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:08:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-27 20:08:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 20:08:49,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:49,469 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:49,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:49,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:08:49,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:49,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 505512230, now seen corresponding path program 1 times [2024-11-27 20:08:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:08:49,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706096550] [2024-11-27 20:08:49,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:49,673 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 [2024-11-27 20:08:49,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:08:49,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:08:49,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:08:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:50,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:08:50,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 20:08:51,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:51,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:08:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706096550] [2024-11-27 20:08:51,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706096550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:51,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:51,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:08:51,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391990438] [2024-11-27 20:08:51,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:51,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:51,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:08:51,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:51,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:51,879 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:08:56,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:08:58,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:03,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:07,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:07,172 INFO L93 Difference]: Finished difference Result 267 states and 404 transitions. [2024-11-27 20:09:07,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:09:07,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2024-11-27 20:09:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:07,184 INFO L225 Difference]: With dead ends: 267 [2024-11-27 20:09:07,188 INFO L226 Difference]: Without dead ends: 210 [2024-11-27 20:09:07,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:09:07,191 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:07,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 474 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2024-11-27 20:09:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-27 20:09:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 115. [2024-11-27 20:09:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-27 20:09:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2024-11-27 20:09:07,251 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 138 [2024-11-27 20:09:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:07,252 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2024-11-27 20:09:07,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-27 20:09:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2024-11-27 20:09:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-27 20:09:07,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:07,256 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:07,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:09:07,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:09:07,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:07,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash 929014557, now seen corresponding path program 1 times [2024-11-27 20:09:07,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:09:07,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842459145] [2024-11-27 20:09:07,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:07,459 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 [2024-11-27 20:09:07,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:09:07,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:09:07,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c68cc7-b91d-4966-9ebb-932f5c6c5eb0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:09:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:08,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:09:08,105 INFO L279 TraceCheckSpWp]: Computing forward predicates...