./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:13:06,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:13:06,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:13:06,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:13:06,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:13:06,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:13:06,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:13:06,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:13:06,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:13:06,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:13:06,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:13:06,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:13:06,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:13:06,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:13:06,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:13:06,413 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:06,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:06,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:06,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:13:06,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:13:06,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:13:06,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:13:06,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:13:06,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:13:06,415 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2024-11-28 05:13:06,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:13:06,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:13:06,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:13:06,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:13:06,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:13:06,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:09,840 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/6dcd3d358/29d17881a6004a17b9dfc5a59715f681/FLAG391c0eb97 [2024-11-28 05:13:10,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:13:10,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:10,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/6dcd3d358/29d17881a6004a17b9dfc5a59715f681/FLAG391c0eb97 [2024-11-28 05:13:10,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/6dcd3d358/29d17881a6004a17b9dfc5a59715f681 [2024-11-28 05:13:10,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:13:10,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:13:10,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:10,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:13:10,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:13:10,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed8c462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10, skipping insertion in model container [2024-11-28 05:13:10,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:13:10,306 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-28 05:13:10,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:10,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:13:10,387 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-28 05:13:10,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:10,453 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:13:10,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10 WrapperNode [2024-11-28 05:13:10,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:10,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:10,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:13:10,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:13:10,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,533 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-28 05:13:10,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:10,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:13:10,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:13:10,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:13:10,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,585 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]. [2024-11-28 05:13:10,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:13:10,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:13:10,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:13:10,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:13:10,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (1/1) ... [2024-11-28 05:13:10,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:10,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:10,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:13:10,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:13:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:13:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:13:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:13:10,786 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:13:10,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:13:11,146 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 05:13:11,146 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:13:11,164 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:13:11,165 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:13:11,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:11 BoogieIcfgContainer [2024-11-28 05:13:11,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:13:11,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:13:11,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:13:11,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:13:11,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:13:10" (1/3) ... [2024-11-28 05:13:11,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b47d7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:11, skipping insertion in model container [2024-11-28 05:13:11,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:10" (2/3) ... [2024-11-28 05:13:11,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b47d7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:11, skipping insertion in model container [2024-11-28 05:13:11,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:11" (3/3) ... [2024-11-28 05:13:11,179 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:11,197 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:13:11,199 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-84.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:13:11,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:13:11,271 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;@151417ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:13:11,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:13:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 05:13:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:13:11,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:11,291 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:11,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:11,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:11,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2024-11-28 05:13:11,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:11,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174482058] [2024-11-28 05:13:11,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 05:13:11,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:11,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174482058] [2024-11-28 05:13:11,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174482058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:11,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198301190] [2024-11-28 05:13:11,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:11,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:11,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:11,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:13:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:11,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:13:11,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 05:13:11,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:13:11,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198301190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:11,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:11,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:13:11,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441893780] [2024-11-28 05:13:11,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:11,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:13:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:11,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:13:11,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:11,997 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:13:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:12,030 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-28 05:13:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:13:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-28 05:13:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:12,041 INFO L225 Difference]: With dead ends: 103 [2024-11-28 05:13:12,041 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 05:13:12,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:12,050 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-28 05:13:12,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:13:12,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 05:13:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 05:13:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 05:13:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-28 05:13:12,087 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2024-11-28 05:13:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:12,087 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-28 05:13:12,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:13:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-28 05:13:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:13:12,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:12,091 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:12,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:13:12,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:12,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:12,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:12,294 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2024-11-28 05:13:12,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:12,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851563067] [2024-11-28 05:13:12,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:13:12,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297925666] [2024-11-28 05:13:12,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:12,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:12,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:12,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:12,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:13:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:12,742 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:13:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:12,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:13:12,903 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:13:12,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:13:12,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:13,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 05:13:13,110 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 05:13:13,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:13:13,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:13:13 BoogieIcfgContainer [2024-11-28 05:13:13,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:13:13,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:13:13,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:13:13,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:13:13,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:11" (3/4) ... [2024-11-28 05:13:13,198 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:13:13,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:13:13,199 INFO L158 Benchmark]: Toolchain (without parser) took 3070.65ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 68.6MB in the end (delta: 48.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-28 05:13:13,200 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:13,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.64ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:13:13,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.93ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:13,201 INFO L158 Benchmark]: Boogie Preprocessor took 85.67ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:13,201 INFO L158 Benchmark]: RCFGBuilder took 543.72ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 76.4MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:13:13,202 INFO L158 Benchmark]: TraceAbstraction took 2024.00ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 68.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-28 05:13:13,202 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 68.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:13,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.64ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.93ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.67ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 95.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 543.72ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 76.4MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2024.00ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 68.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 68.6MB in the beginning and 68.6MB 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 someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned short int var_1_8 = 64; [L28] unsigned char var_1_9 = 1; [L29] unsigned short int var_1_10 = 27843; [L30] signed short int var_1_11 = -4; [L31] unsigned char var_1_13 = 128; [L32] unsigned char var_1_14 = 5; [L33] signed short int var_1_15 = 28020; [L34] signed short int var_1_16 = 128; [L35] float var_1_17 = 10000000000000.926; [L36] float var_1_18 = 1000000.6; [L37] unsigned short int last_1_var_1_8 = 64; [L38] signed short int last_1_var_1_11 = -4; VAL [isInitial=0, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L97] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_7=0, var_1_8=64, var_1_9=1] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_7=0, var_1_8=64, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=0, var_1_8=64, var_1_9=1] [L72] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=0, var_1_8=64, var_1_9=1] [L73] var_1_7 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_8=64, var_1_9=1] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_8=64, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L75] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L79] var_1_10 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L80] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L82] var_1_13 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L83] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L84] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L86] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L87] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L88] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L92] var_1_18 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && 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_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L93] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && 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_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L43] COND TRUE stepLocal_0 != last_1_var_1_8 [L44] var_1_1 = (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=64, var_1_9=1] [L48] COND TRUE \read(var_1_9) [L49] var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L51] COND TRUE ! (var_1_5 > var_1_10) [L52] var_1_16 = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=5000000000000463/500, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L56] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_16) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; VAL [\result=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-49153, var_1_11=-4, var_1_13=128, var_1_14=125, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=25, var_1_4=512, var_1_5=24, var_1_6=280, var_1_7=-231, var_1_8=39430, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 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 [2024-11-28 05:13:13,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:13:15,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:13:15,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:13:15,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:13:15,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:13:16,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:13:16,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:13:16,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:13:16,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:13:16,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:13:16,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:13:16,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:13:16,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:13:16,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:13:16,026 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:13:16,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:13:16,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:13:16,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:13:16,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:13:16,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:13:16,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:13:16,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:13:16,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:13:16,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:16,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:16,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:16,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:16,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:13:16,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:16,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:16,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:16,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:16,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:13:16,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:13:16,031 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:13:16,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:13:16,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:13:16,033 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2024-11-28 05:13:16,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:13:16,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:13:16,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:13:16,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:13:16,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:13:16,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:19,424 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/c4ea3d2cd/67e405801afe461182dabf1845af4071/FLAGb1544e1e7 [2024-11-28 05:13:19,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:13:19,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:19,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/c4ea3d2cd/67e405801afe461182dabf1845af4071/FLAGb1544e1e7 [2024-11-28 05:13:19,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/data/c4ea3d2cd/67e405801afe461182dabf1845af4071 [2024-11-28 05:13:19,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:13:19,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:13:19,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:19,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:13:19,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:13:19,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:19" (1/1) ... [2024-11-28 05:13:19,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c3ac48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:19, skipping insertion in model container [2024-11-28 05:13:19,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:19" (1/1) ... [2024-11-28 05:13:19,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:13:19,924 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-28 05:13:20,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:20,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:13:20,035 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_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-28 05:13:20,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:20,102 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:13:20,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20 WrapperNode [2024-11-28 05:13:20,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:20,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:20,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:13:20,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:13:20,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,148 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-28 05:13:20,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:20,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:13:20,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:13:20,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:13:20,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,174 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]. [2024-11-28 05:13:20,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:13:20,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:13:20,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:13:20,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:13:20,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (1/1) ... [2024-11-28 05:13:20,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:20,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:20,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:13:20,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:13:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:13:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:13:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:13:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:13:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:13:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:13:20,349 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:13:20,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:13:20,732 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 05:13:20,732 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:13:20,745 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:13:20,745 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:13:20,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:20 BoogieIcfgContainer [2024-11-28 05:13:20,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:13:20,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:13:20,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:13:20,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:13:20,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:13:19" (1/3) ... [2024-11-28 05:13:20,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a2b79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:20, skipping insertion in model container [2024-11-28 05:13:20,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:20" (2/3) ... [2024-11-28 05:13:20,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a2b79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:20, skipping insertion in model container [2024-11-28 05:13:20,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:20" (3/3) ... [2024-11-28 05:13:20,758 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2024-11-28 05:13:20,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:13:20,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-84.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:13:20,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:13:20,893 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;@5f25e8d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:13:20,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:13:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 05:13:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:13:20,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:20,920 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:20,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:20,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2024-11-28 05:13:20,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:13:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142599343] [2024-11-28 05:13:20,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:20,943 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 [2024-11-28 05:13:20,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:13:20,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:13:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:13:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:21,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:13:21,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-28 05:13:21,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:13:21,362 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:13:21,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142599343] [2024-11-28 05:13:21,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142599343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:21,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:21,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:13:21,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309034964] [2024-11-28 05:13:21,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:21,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:13:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:13:21,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:13:21,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:21,394 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:13:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:21,419 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-28 05:13:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:13:21,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-28 05:13:21,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:21,432 INFO L225 Difference]: With dead ends: 103 [2024-11-28 05:13:21,432 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 05:13:21,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:21,441 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-28 05:13:21,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:13:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 05:13:21,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 05:13:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 05:13:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-28 05:13:21,484 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2024-11-28 05:13:21,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:21,487 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-28 05:13:21,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 05:13:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-28 05:13:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:13:21,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:21,493 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:21,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:21,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:13:21,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:21,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:21,695 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2024-11-28 05:13:21,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:13:21,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755764150] [2024-11-28 05:13:21,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:21,696 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 [2024-11-28 05:13:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:13:21,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:13:21,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:13:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:21,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:13:21,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 05:20:13,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:20:13,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:20:13,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755764150] [2024-11-28 05:20:13,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755764150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:13,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:13,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:20:13,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36742807] [2024-11-28 05:20:13,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:13,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:20:13,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:20:13,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:20:13,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:20:13,936 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:20:16,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:16,610 INFO L93 Difference]: Finished difference Result 149 states and 205 transitions. [2024-11-28 05:20:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:20:16,611 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2024-11-28 05:20:16,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:16,614 INFO L225 Difference]: With dead ends: 149 [2024-11-28 05:20:16,614 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 05:20:16,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:20:16,615 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 193 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:16,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 335 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 05:20:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 05:20:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 108. [2024-11-28 05:20:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 05:20:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-11-28 05:20:16,646 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 124 [2024-11-28 05:20:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:16,647 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-11-28 05:20:16,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:20:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-11-28 05:20:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:20:16,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:16,649 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:16,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:20:16,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:20:16,851 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:16,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:16,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1825300801, now seen corresponding path program 1 times [2024-11-28 05:20:16,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:20:16,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002611466] [2024-11-28 05:20:16,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:16,852 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 [2024-11-28 05:20:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:20:16,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:20:16,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:20:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:17,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:20:17,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-28 05:20:17,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:20:17,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:20:17,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002611466] [2024-11-28 05:20:17,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002611466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:20:17,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2141794892] [2024-11-28 05:20:17,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:17,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 05:20:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 05:20:17,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 05:20:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-28 05:20:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:17,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:20:17,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-28 05:20:18,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:20:18,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2141794892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:20:18,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:20:18,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2024-11-28 05:20:18,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722976395] [2024-11-28 05:20:18,156 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:20:18,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:20:18,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:20:18,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:20:18,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:20:18,157 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-28 05:20:18,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:18,528 INFO L93 Difference]: Finished difference Result 233 states and 331 transitions. [2024-11-28 05:20:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:20:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 124 [2024-11-28 05:20:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:18,537 INFO L225 Difference]: With dead ends: 233 [2024-11-28 05:20:18,537 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 05:20:18,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:20:18,539 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 56 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:18,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 110 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:20:18,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 05:20:18,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2024-11-28 05:20:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 05:20:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 168 transitions. [2024-11-28 05:20:18,581 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 168 transitions. Word has length 124 [2024-11-28 05:20:18,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:18,581 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 168 transitions. [2024-11-28 05:20:18,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-28 05:20:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 168 transitions. [2024-11-28 05:20:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:20:18,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:18,585 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:18,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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)] Ended with exit code 0 [2024-11-28 05:20:18,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-28 05:20:18,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 05:20:18,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:18,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:18,986 INFO L85 PathProgramCache]: Analyzing trace with hash -114687493, now seen corresponding path program 1 times [2024-11-28 05:20:18,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:20:18,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228968967] [2024-11-28 05:20:18,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:18,987 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 [2024-11-28 05:20:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:20:18,989 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:20:18,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 (6)] Waiting until timeout for monitored process [2024-11-28 05:20:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:19,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:20:19,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:28:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 05:28:08,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:28:08,591 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:28:08,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228968967] [2024-11-28 05:28:08,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228968967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:28:08,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:28:08,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:28:08,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486603625] [2024-11-28 05:28:08,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:28:08,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:28:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:28:08,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:28:08,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:28:08,593 INFO L87 Difference]: Start difference. First operand 124 states and 168 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:28:11,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:28:11,333 INFO L93 Difference]: Finished difference Result 157 states and 203 transitions. [2024-11-28 05:28:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:28:11,334 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2024-11-28 05:28:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:28:11,336 INFO L225 Difference]: With dead ends: 157 [2024-11-28 05:28:11,336 INFO L226 Difference]: Without dead ends: 155 [2024-11-28 05:28:11,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:28:11,338 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 88 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:28:11,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 430 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:28:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-28 05:28:11,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2024-11-28 05:28:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 05:28:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 168 transitions. [2024-11-28 05:28:11,383 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 168 transitions. Word has length 124 [2024-11-28 05:28:11,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:28:11,387 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 168 transitions. [2024-11-28 05:28:11,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:28:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 168 transitions. [2024-11-28 05:28:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:28:11,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:28:11,389 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:28:11,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 (6)] Ended with exit code 0 [2024-11-28 05:28:11,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:28:11,590 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:28:11,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:28:11,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1374717503, now seen corresponding path program 1 times [2024-11-28 05:28:11,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:28:11,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180761711] [2024-11-28 05:28:11,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:28:11,591 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 [2024-11-28 05:28:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:28:11,593 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:28:11,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 (7)] Waiting until timeout for monitored process [2024-11-28 05:28:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:28:11,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:28:11,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:28:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 05:28:12,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:28:12,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:28:12,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180761711] [2024-11-28 05:28:12,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180761711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:28:12,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:28:12,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:28:12,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838347758] [2024-11-28 05:28:12,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:28:12,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:28:12,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:28:12,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:28:12,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:28:12,005 INFO L87 Difference]: Start difference. First operand 124 states and 168 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:28:12,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:28:12,208 INFO L93 Difference]: Finished difference Result 250 states and 335 transitions. [2024-11-28 05:28:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:28:12,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124 [2024-11-28 05:28:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:28:12,216 INFO L225 Difference]: With dead ends: 250 [2024-11-28 05:28:12,216 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 05:28:12,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:28:12,218 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 51 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:28:12,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 279 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:28:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 05:28:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 120. [2024-11-28 05:28:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 72 states have (on average 1.125) internal successors, (81), 72 states have internal predecessors, (81), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 05:28:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 161 transitions. [2024-11-28 05:28:12,239 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 161 transitions. Word has length 124 [2024-11-28 05:28:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:28:12,240 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 161 transitions. [2024-11-28 05:28:12,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 05:28:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2024-11-28 05:28:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 05:28:12,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:28:12,242 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:28:12,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 (7)] Ended with exit code 0 [2024-11-28 05:28:12,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 [2024-11-28 05:28:12,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:28:12,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:28:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash -175963654, now seen corresponding path program 1 times [2024-11-28 05:28:12,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:28:12,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686486603] [2024-11-28 05:28:12,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:28:12,444 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 [2024-11-28 05:28:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:28:12,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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) [2024-11-28 05:28:12,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ded77e9-7d3d-4e21-8252-ee9eb6df7169/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 (8)] Waiting until timeout for monitored process [2024-11-28 05:28:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:28:12,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:28:12,607 INFO L279 TraceCheckSpWp]: Computing forward predicates...