./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 c4c30cc1c9f61ef3217aaa58f1e66711cee3c800cceefbf6a14f505fd3f0aeb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:58,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:58,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:25:58,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:58,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:58,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:58,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:58,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:58,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:25:58,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:25:58,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:58,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:58,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:58,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:58,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:58,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:58,515 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:58,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:58,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:58,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:58,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:58,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:58,518 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:25:58,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:25:58,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:25:58,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:25:58,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:58,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:58,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:58,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:58,519 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 -> c4c30cc1c9f61ef3217aaa58f1e66711cee3c800cceefbf6a14f505fd3f0aeb0 [2024-11-27 20:25:58,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:58,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:58,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:58,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:58,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:58,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:02,446 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/7174f6f6c/31b77e8904884abc9e4e0ddc74754d10/FLAGd114aa557 [2024-11-27 20:26:02,783 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:26:02,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:02,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/7174f6f6c/31b77e8904884abc9e4e0ddc74754d10/FLAGd114aa557 [2024-11-27 20:26:03,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/7174f6f6c/31b77e8904884abc9e4e0ddc74754d10 [2024-11-27 20:26:03,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:26:03,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:26:03,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:03,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:26:03,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:26:03,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f2c8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03, skipping insertion in model container [2024-11-27 20:26:03,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:26:03,303 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i[919,932] [2024-11-27 20:26:03,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:03,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:26:03,408 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i[919,932] [2024-11-27 20:26:03,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:03,460 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:26:03,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03 WrapperNode [2024-11-27 20:26:03,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:03,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:03,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:26:03,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:26:03,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,547 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-27 20:26:03,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:03,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:26:03,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:26:03,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:26:03,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,604 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 20:26:03,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:26:03,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:26:03,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:26:03,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:26:03,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (1/1) ... [2024-11-27 20:26:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:03,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:26:03,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:26:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:26:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:26:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:26:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:26:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:26:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:26:03,843 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:26:03,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:26:04,358 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-27 20:26:04,358 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:26:04,378 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:26:04,379 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:26:04,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:04 BoogieIcfgContainer [2024-11-27 20:26:04,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:26:04,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:26:04,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:26:04,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:26:04,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:26:03" (1/3) ... [2024-11-27 20:26:04,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9dccd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:04, skipping insertion in model container [2024-11-27 20:26:04,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:03" (2/3) ... [2024-11-27 20:26:04,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9dccd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:04, skipping insertion in model container [2024-11-27 20:26:04,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:04" (3/3) ... [2024-11-27 20:26:04,393 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:04,413 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:26:04,416 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-38.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:26:04,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:26:04,501 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;@3839f71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:26:04,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:26:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 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 20:26:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 20:26:04,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:04,523 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] [2024-11-27 20:26:04,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:04,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1684624578, now seen corresponding path program 1 times [2024-11-27 20:26:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:04,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753781989] [2024-11-27 20:26:04,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:04,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:04,960 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 20:26:04,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:04,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753781989] [2024-11-27 20:26:04,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753781989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172415711] [2024-11-27 20:26:04,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:04,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:04,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:04,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:04,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:26:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:05,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:26:05,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:05,249 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 20:26:05,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172415711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:05,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:26:05,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:26:05,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658048072] [2024-11-27 20:26:05,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:05,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:26:05,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:05,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:26:05,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:26:05,290 INFO L87 Difference]: Start difference. First operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:26:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:05,340 INFO L93 Difference]: Finished difference Result 133 states and 230 transitions. [2024-11-27 20:26:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:26:05,343 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-27 20:26:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:05,353 INFO L225 Difference]: With dead ends: 133 [2024-11-27 20:26:05,353 INFO L226 Difference]: Without dead ends: 66 [2024-11-27 20:26:05,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 20:26:05,361 INFO L435 NwaCegarLoop]: 100 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, 100 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 20:26:05,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:26:05,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-27 20:26:05,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-27 20:26:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 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 20:26:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2024-11-27 20:26:05,408 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 140 [2024-11-27 20:26:05,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:05,408 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2024-11-27 20:26:05,409 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:26:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-27 20:26:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 20:26:05,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:05,417 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] [2024-11-27 20:26:05,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:26:05,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:26:05,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:05,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:05,620 INFO L85 PathProgramCache]: Analyzing trace with hash 108224694, now seen corresponding path program 1 times [2024-11-27 20:26:05,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:05,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756178988] [2024-11-27 20:26:05,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:06,806 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 20:26:06,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:06,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756178988] [2024-11-27 20:26:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756178988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:06,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:06,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544830681] [2024-11-27 20:26:06,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:06,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:06,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:06,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:06,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:06,814 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 20:26:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:07,310 INFO L93 Difference]: Finished difference Result 249 states and 379 transitions. [2024-11-27 20:26:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:07,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 140 [2024-11-27 20:26:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:07,318 INFO L225 Difference]: With dead ends: 249 [2024-11-27 20:26:07,318 INFO L226 Difference]: Without dead ends: 186 [2024-11-27 20:26:07,323 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 20:26:07,324 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 204 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 387 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 20:26:07,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 387 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:26:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-27 20:26:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 127. [2024-11-27 20:26:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 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 20:26:07,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 195 transitions. [2024-11-27 20:26:07,391 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 195 transitions. Word has length 140 [2024-11-27 20:26:07,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:07,392 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 195 transitions. [2024-11-27 20:26:07,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 20:26:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2024-11-27 20:26:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:26:07,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:07,396 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 20:26:07,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:26:07,397 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:07,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:07,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1900853081, now seen corresponding path program 1 times [2024-11-27 20:26:07,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:07,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589975224] [2024-11-27 20:26:07,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:07,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:07,967 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 20:26:07,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589975224] [2024-11-27 20:26:07,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589975224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:07,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:07,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:07,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722476698] [2024-11-27 20:26:07,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:07,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:07,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:07,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:07,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:07,973 INFO L87 Difference]: Start difference. First operand 127 states and 195 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 20:26:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:08,523 INFO L93 Difference]: Finished difference Result 413 states and 637 transitions. [2024-11-27 20:26:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:08,524 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 20:26:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:08,532 INFO L225 Difference]: With dead ends: 413 [2024-11-27 20:26:08,534 INFO L226 Difference]: Without dead ends: 289 [2024-11-27 20:26:08,535 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 20:26:08,536 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 94 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 340 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 20:26:08,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 340 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:26:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-27 20:26:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 251. [2024-11-27 20:26:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 158 states have internal predecessors, (212), 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 20:26:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 388 transitions. [2024-11-27 20:26:08,700 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 388 transitions. Word has length 141 [2024-11-27 20:26:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:08,701 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 388 transitions. [2024-11-27 20:26:08,701 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 20:26:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 388 transitions. [2024-11-27 20:26:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:26:08,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:08,707 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 20:26:08,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:26:08,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:08,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1807308201, now seen corresponding path program 1 times [2024-11-27 20:26:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:08,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454057678] [2024-11-27 20:26:08,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:09,332 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 20:26:09,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:09,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454057678] [2024-11-27 20:26:09,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454057678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:09,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075860983] [2024-11-27 20:26:09,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:09,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:09,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:09,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:09,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:26:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:09,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:26:09,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:10,430 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 20:26:10,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:11,059 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 20:26:11,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075860983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:26:11,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:26:11,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 17 [2024-11-27 20:26:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128031039] [2024-11-27 20:26:11,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:26:11,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:26:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:11,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:26:11,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:26:11,064 INFO L87 Difference]: Start difference. First operand 251 states and 388 transitions. Second operand has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 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 20:26:12,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:12,329 INFO L93 Difference]: Finished difference Result 631 states and 964 transitions. [2024-11-27 20:26:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 20:26:12,330 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 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 141 [2024-11-27 20:26:12,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:12,335 INFO L225 Difference]: With dead ends: 631 [2024-11-27 20:26:12,335 INFO L226 Difference]: Without dead ends: 383 [2024-11-27 20:26:12,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 276 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 20:26:12,338 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 446 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:12,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 382 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:26:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-27 20:26:12,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 283. [2024-11-27 20:26:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 188 states have (on average 1.377659574468085) internal successors, (259), 188 states have internal predecessors, (259), 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 20:26:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 435 transitions. [2024-11-27 20:26:12,456 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 435 transitions. Word has length 141 [2024-11-27 20:26:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:12,457 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 435 transitions. [2024-11-27 20:26:12,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 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 20:26:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 435 transitions. [2024-11-27 20:26:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 20:26:12,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:12,461 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 20:26:12,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:26:12,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:12,662 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:12,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:12,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1158568945, now seen corresponding path program 1 times [2024-11-27 20:26:12,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:12,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446807327] [2024-11-27 20:26:12,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:12,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:26:12,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35742828] [2024-11-27 20:26:12,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:12,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:26:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:26:13,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:26:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:26:13,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:26:13,442 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:26:13,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:26:13,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:26:13,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:13,650 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 20:26:13,816 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:26:13,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:26:13 BoogieIcfgContainer [2024-11-27 20:26:13,822 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:26:13,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:26:13,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:26:13,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:26:13,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:04" (3/4) ... [2024-11-27 20:26:13,827 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:26:13,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:26:13,830 INFO L158 Benchmark]: Toolchain (without parser) took 10781.69ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.5MB in the beginning and 96.8MB in the end (delta: -4.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-27 20:26:13,831 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:13,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:26:13,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.44ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:13,833 INFO L158 Benchmark]: Boogie Preprocessor took 96.92ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:13,834 INFO L158 Benchmark]: RCFGBuilder took 730.84ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 56.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:26:13,835 INFO L158 Benchmark]: TraceAbstraction took 9438.95ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 96.9MB in the end (delta: -41.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-27 20:26:13,836 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:13,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.44ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 96.92ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 730.84ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 56.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9438.95ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 96.9MB in the end (delta: -41.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 114. 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] [L131] isInitial = 1 [L132] FCALL initially() [L134] CALL updateLastVariables() [L122] last_1_var_1_8 = var_1_8 [L123] last_1_var_1_21 = var_1_21 [L124] 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] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L86] var_1_4 = __VERIFIER_nondet_uchar() [L87] 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] [L87] 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] [L88] 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] [L88] 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] [L89] var_1_6 = __VERIFIER_nondet_uchar() [L90] 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] [L90] 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] [L91] 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=-256, 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=-256, var_1_7=0, var_1_8=4] [L91] 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=-256, var_1_7=0, var_1_8=4] [L92] var_1_11 = __VERIFIER_nondet_long() [L93] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L93] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L94] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L94] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L95] var_1_12 = __VERIFIER_nondet_long() [L96] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L96] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L97] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L97] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L98] var_1_13 = __VERIFIER_nondet_ushort() [L99] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L99] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L100] 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=0, 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=-256, 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=0, 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=-256, var_1_7=0, var_1_8=4] [L100] 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=0, 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=-256, var_1_7=0, var_1_8=4] [L101] var_1_15 = __VERIFIER_nondet_short() [L102] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L102] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L103] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L103] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L104] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L104] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, 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=-256, var_1_7=0, var_1_8=4] [L105] var_1_16 = __VERIFIER_nondet_long() [L106] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L106] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L107] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L107] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L108] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L108] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L109] var_1_17 = __VERIFIER_nondet_double() [L110] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L110] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L111] var_1_18 = __VERIFIER_nondet_double() [L112] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L112] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L113] var_1_19 = __VERIFIER_nondet_double() [L114] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L114] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=4] [L115] var_1_20 = __VERIFIER_nondet_double() [L116] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L116] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L117] var_1_26 = __VERIFIER_nondet_char() [L118] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L118] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L119] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L119] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L135] RET updateVariables() [L136] 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=4] [L51] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) [L56] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=129/2, var_1_15=8, var_1_16=64, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=0] [L58] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L65] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=0] [L67] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, var_1_18=2, var_1_1=1, var_1_21=-256, var_1_25=-128, var_1_26=-127, var_1_4=1, var_1_6=-256, var_1_7=0, var_1_8=0] [L68] COND TRUE \read(var_1_4) [L69] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=0] [L72] COND TRUE (- var_1_14) <= var_1_14 [L73] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=0] [L81] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L82] 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, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=0] [L136] RET step() [L137] CALL, EXPR property() [L127] 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=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=0] [L127-L128] 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) ; [L137] RET, EXPR property() [L137] 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=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, 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=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=8, var_1_16=64, 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=-256, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 763 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 744 mSDsluCounter, 1209 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 813 mSDsCounter, 344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 629 IncrementalHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 344 mSolverCounterUnsat, 396 mSDtfsCounter, 629 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred 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: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 197 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 977 ConstructedInterpolants, 0 QuantifiedInterpolants, 2689 SizeOfPredicates, 2 NumberOfNonLiveVariables, 651 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 20:26:13,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 c4c30cc1c9f61ef3217aaa58f1e66711cee3c800cceefbf6a14f505fd3f0aeb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:26:17,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:26:17,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:26:17,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:26:17,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:26:17,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:26:17,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:26:17,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:26:17,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:26:17,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:26:17,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:26:17,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:26:17,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:26:17,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:26:17,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:26:17,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:26:17,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:17,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:26:17,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:17,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:26:17,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:26:17,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:26:17,609 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 -> c4c30cc1c9f61ef3217aaa58f1e66711cee3c800cceefbf6a14f505fd3f0aeb0 [2024-11-27 20:26:17,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:26:17,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:26:17,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:26:17,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:26:17,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:26:17,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:21,572 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/8b0b74a1f/6a5e12687bfe4d4d964f539ed07a5f06/FLAGcf697e98d [2024-11-27 20:26:21,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:26:21,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:21,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/8b0b74a1f/6a5e12687bfe4d4d964f539ed07a5f06/FLAGcf697e98d [2024-11-27 20:26:22,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/data/8b0b74a1f/6a5e12687bfe4d4d964f539ed07a5f06 [2024-11-27 20:26:22,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:26:22,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:26:22,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:22,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:26:22,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:26:22,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2442bdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22, skipping insertion in model container [2024-11-27 20:26:22,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:26:22,424 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i[919,932] [2024-11-27 20:26:22,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:22,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:26:22,533 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_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-38.i[919,932] [2024-11-27 20:26:22,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:22,603 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:26:22,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22 WrapperNode [2024-11-27 20:26:22,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:22,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:22,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:26:22,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:26:22,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,675 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-27 20:26:22,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:22,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:26:22,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:26:22,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:26:22,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,726 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 20:26:22,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:26:22,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:26:22,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:26:22,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:26:22,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (1/1) ... [2024-11-27 20:26:22,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:22,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:22,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:26:22,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:26:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:26:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:26:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:26:22,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:26:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:26:22,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:26:22,985 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:26:22,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:26:29,790 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:26:29,790 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:26:29,804 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:26:29,804 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:26:29,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:29 BoogieIcfgContainer [2024-11-27 20:26:29,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:26:29,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:26:29,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:26:29,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:26:29,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:26:22" (1/3) ... [2024-11-27 20:26:29,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188af4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:29, skipping insertion in model container [2024-11-27 20:26:29,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:22" (2/3) ... [2024-11-27 20:26:29,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188af4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:29, skipping insertion in model container [2024-11-27 20:26:29,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:29" (3/3) ... [2024-11-27 20:26:29,821 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-38.i [2024-11-27 20:26:29,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:26:29,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-38.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:26:29,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:26:29,924 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;@3b5c9981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:26:29,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:26:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 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 20:26:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-27 20:26:29,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:29,948 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] [2024-11-27 20:26:29,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:29,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1336328274, now seen corresponding path program 1 times [2024-11-27 20:26:29,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:26:29,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037166970] [2024-11-27 20:26:29,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:29,970 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 20:26:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:26:29,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:29,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:30,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:26:30,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:30,951 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 20:26:30,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:30,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:26:30,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037166970] [2024-11-27 20:26:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037166970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:30,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:30,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:30,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936123957] [2024-11-27 20:26:30,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:30,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:26:30,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:26:30,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:26:30,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:26:30,999 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 20:26:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:31,055 INFO L93 Difference]: Finished difference Result 119 states and 210 transitions. [2024-11-27 20:26:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:26:31,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 137 [2024-11-27 20:26:31,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:31,067 INFO L225 Difference]: With dead ends: 119 [2024-11-27 20:26:31,067 INFO L226 Difference]: Without dead ends: 59 [2024-11-27 20:26:31,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 20:26:31,076 INFO L435 NwaCegarLoop]: 89 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, 89 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 20:26:31,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:26:31,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-27 20:26:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-27 20:26:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 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 20:26:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2024-11-27 20:26:31,150 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 137 [2024-11-27 20:26:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:31,152 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2024-11-27 20:26:31,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 20:26:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-11-27 20:26:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-27 20:26:31,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:31,158 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] [2024-11-27 20:26:31,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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)] Ended with exit code 0 [2024-11-27 20:26:31,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:31,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:31,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash -914703752, now seen corresponding path program 1 times [2024-11-27 20:26:31,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:26:31,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566930725] [2024-11-27 20:26:31,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:31,370 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 20:26:31,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:26:31,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:31,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:32,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:26:32,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:33,877 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 20:26:33,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:33,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:26:33,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566930725] [2024-11-27 20:26:33,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566930725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:33,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:33,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592314030] [2024-11-27 20:26:33,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:33,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:33,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:26:33,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:33,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:33,889 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:26:38,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:26:40,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:26:44,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:26:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:44,991 INFO L93 Difference]: Finished difference Result 262 states and 397 transitions. [2024-11-27 20:26:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:44,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 137 [2024-11-27 20:26:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:45,006 INFO L225 Difference]: With dead ends: 262 [2024-11-27 20:26:45,006 INFO L226 Difference]: Without dead ends: 206 [2024-11-27 20:26:45,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 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 20:26:45,010 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 148 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 45 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:45,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 466 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-27 20:26:45,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-27 20:26:45,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 113. [2024-11-27 20:26:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 66 states have internal predecessors, (85), 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 20:26:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 173 transitions. [2024-11-27 20:26:45,109 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 173 transitions. Word has length 137 [2024-11-27 20:26:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:45,110 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 173 transitions. [2024-11-27 20:26:45,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:26:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2024-11-27 20:26:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 20:26:45,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:45,117 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 20:26:45,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:45,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:45,318 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:45,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 935098276, now seen corresponding path program 1 times [2024-11-27 20:26:45,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:26:45,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115847619] [2024-11-27 20:26:45,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:45,320 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 20:26:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:26:45,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:45,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd638ac3-81b6-4e1e-8bc7-ed26f9b1333c/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 20:26:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:45,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:26:45,977 INFO L279 TraceCheckSpWp]: Computing forward predicates...