./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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 64bit --witnessprinter.graph.data.programhash cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:20:27,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:20:27,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:20:27,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:20:27,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:20:27,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:20:27,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:20:27,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:20:27,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:20:27,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:20:27,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:20:27,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:20:27,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:20:27,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:20:27,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:20:27,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:20:27,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:20:27,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:20:27,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:20:27,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:20:27,633 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:20:27,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:20:27,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:20:27,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:20:27,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:20:27,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:20:27,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:20:27,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:20:27,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:20:27,636 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-11-28 04:20:28,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:20:28,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:20:28,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:20:28,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:20:28,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:20:28,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:20:31,426 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/eb01abfe6/20f808063bb548c2839e4405d7553342/FLAG440c9934a [2024-11-28 04:20:31,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:20:31,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:20:32,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/eb01abfe6/20f808063bb548c2839e4405d7553342/FLAG440c9934a [2024-11-28 04:20:32,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/eb01abfe6/20f808063bb548c2839e4405d7553342 [2024-11-28 04:20:32,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:20:32,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:20:32,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:20:32,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:20:32,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:20:32,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:20:32" (1/1) ... [2024-11-28 04:20:32,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe6f2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:32, skipping insertion in model container [2024-11-28 04:20:32,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:20:32" (1/1) ... [2024-11-28 04:20:32,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:20:32,353 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-28 04:20:32,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:20:32,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:20:32,924 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-28 04:20:33,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:20:33,271 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:20:33,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33 WrapperNode [2024-11-28 04:20:33,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:20:33,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:20:33,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:20:33,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:20:33,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:33,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:34,366 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6281 [2024-11-28 04:20:34,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:20:34,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:20:34,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:20:34,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:20:34,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:34,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:34,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:34,882 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 04:20:34,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:34,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:20:35,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:20:35,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:20:35,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:20:35,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (1/1) ... [2024-11-28 04:20:35,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:20:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:35,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:20:35,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:20:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:20:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:20:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:20:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:20:36,432 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:20:36,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:20:46,919 INFO L? ?]: Removed 3407 outVars from TransFormulas that were not future-live. [2024-11-28 04:20:46,919 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:20:46,992 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:20:46,995 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:20:46,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:20:46 BoogieIcfgContainer [2024-11-28 04:20:46,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:20:46,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:20:46,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:20:47,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:20:47,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:20:32" (1/3) ... [2024-11-28 04:20:47,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527bd115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:20:47, skipping insertion in model container [2024-11-28 04:20:47,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:20:33" (2/3) ... [2024-11-28 04:20:47,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527bd115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:20:47, skipping insertion in model container [2024-11-28 04:20:47,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:20:46" (3/3) ... [2024-11-28 04:20:47,009 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:20:47,027 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:20:47,029 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c that has 1 procedures, 2270 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:20:47,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:20:47,175 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;@2b5cb882, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:20:47,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:20:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 2270 states, 2268 states have (on average 1.4995590828924161) internal successors, (3401), 2269 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 04:20:47,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:47,201 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:47,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:47,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash 9151262, now seen corresponding path program 1 times [2024-11-28 04:20:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:47,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53280597] [2024-11-28 04:20:47,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:48,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:48,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53280597] [2024-11-28 04:20:48,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53280597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:48,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:48,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:20:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881874023] [2024-11-28 04:20:48,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:48,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:20:48,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:48,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:20:48,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:48,603 INFO L87 Difference]: Start difference. First operand has 2270 states, 2268 states have (on average 1.4995590828924161) internal successors, (3401), 2269 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:48,962 INFO L93 Difference]: Finished difference Result 4437 states and 6651 transitions. [2024-11-28 04:20:48,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:20:48,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-28 04:20:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:49,012 INFO L225 Difference]: With dead ends: 4437 [2024-11-28 04:20:49,012 INFO L226 Difference]: Without dead ends: 2269 [2024-11-28 04:20:49,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:49,036 INFO L435 NwaCegarLoop]: 3395 mSDtfsCounter, 0 mSDsluCounter, 6784 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:49,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10179 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-11-28 04:20:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2269. [2024-11-28 04:20:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 2268 states have (on average 1.4986772486772486) internal successors, (3399), 2268 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3399 transitions. [2024-11-28 04:20:49,228 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3399 transitions. Word has length 109 [2024-11-28 04:20:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:49,229 INFO L471 AbstractCegarLoop]: Abstraction has 2269 states and 3399 transitions. [2024-11-28 04:20:49,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3399 transitions. [2024-11-28 04:20:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:20:49,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:49,239 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:49,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:20:49,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:49,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:49,242 INFO L85 PathProgramCache]: Analyzing trace with hash 285384951, now seen corresponding path program 1 times [2024-11-28 04:20:49,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:49,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307408504] [2024-11-28 04:20:49,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:49,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:49,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:49,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307408504] [2024-11-28 04:20:49,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307408504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:49,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:49,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:20:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357744151] [2024-11-28 04:20:49,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:49,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:20:49,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:49,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:20:49,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:49,776 INFO L87 Difference]: Start difference. First operand 2269 states and 3399 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:49,934 INFO L93 Difference]: Finished difference Result 4438 states and 6649 transitions. [2024-11-28 04:20:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:20:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-11-28 04:20:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:49,945 INFO L225 Difference]: With dead ends: 4438 [2024-11-28 04:20:49,945 INFO L226 Difference]: Without dead ends: 2271 [2024-11-28 04:20:49,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:49,950 INFO L435 NwaCegarLoop]: 3395 mSDtfsCounter, 0 mSDsluCounter, 6780 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10175 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:49,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10175 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:49,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2024-11-28 04:20:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 2271. [2024-11-28 04:20:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2271 states, 2270 states have (on average 1.498237885462555) internal successors, (3401), 2270 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3401 transitions. [2024-11-28 04:20:50,052 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3401 transitions. Word has length 110 [2024-11-28 04:20:50,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:50,053 INFO L471 AbstractCegarLoop]: Abstraction has 2271 states and 3401 transitions. [2024-11-28 04:20:50,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3401 transitions. [2024-11-28 04:20:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 04:20:50,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:50,060 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:50,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:20:50,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:50,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:50,061 INFO L85 PathProgramCache]: Analyzing trace with hash -840966377, now seen corresponding path program 1 times [2024-11-28 04:20:50,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:50,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976407716] [2024-11-28 04:20:50,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:50,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:50,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976407716] [2024-11-28 04:20:50,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976407716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:50,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:50,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:20:50,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207799348] [2024-11-28 04:20:50,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:50,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:20:50,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:50,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:20:50,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:50,554 INFO L87 Difference]: Start difference. First operand 2271 states and 3401 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:50,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:50,694 INFO L93 Difference]: Finished difference Result 4442 states and 6653 transitions. [2024-11-28 04:20:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:20:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-11-28 04:20:50,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:50,711 INFO L225 Difference]: With dead ends: 4442 [2024-11-28 04:20:50,712 INFO L226 Difference]: Without dead ends: 2273 [2024-11-28 04:20:50,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:50,719 INFO L435 NwaCegarLoop]: 3395 mSDtfsCounter, 0 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10169 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:50,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10169 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2024-11-28 04:20:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2024-11-28 04:20:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2273 states, 2272 states have (on average 1.497799295774648) internal successors, (3403), 2272 states have internal predecessors, (3403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 3403 transitions. [2024-11-28 04:20:50,791 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 3403 transitions. Word has length 111 [2024-11-28 04:20:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:50,793 INFO L471 AbstractCegarLoop]: Abstraction has 2273 states and 3403 transitions. [2024-11-28 04:20:50,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 3403 transitions. [2024-11-28 04:20:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:20:50,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:50,796 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:50,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:20:50,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 608733566, now seen corresponding path program 1 times [2024-11-28 04:20:50,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:50,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085880962] [2024-11-28 04:20:50,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:51,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:51,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085880962] [2024-11-28 04:20:51,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085880962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:51,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:51,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:20:51,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961908741] [2024-11-28 04:20:51,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:51,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:20:51,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:51,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:20:51,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:51,208 INFO L87 Difference]: Start difference. First operand 2273 states and 3403 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:51,417 INFO L93 Difference]: Finished difference Result 4452 states and 6665 transitions. [2024-11-28 04:20:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:20:51,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-11-28 04:20:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:51,428 INFO L225 Difference]: With dead ends: 4452 [2024-11-28 04:20:51,428 INFO L226 Difference]: Without dead ends: 2281 [2024-11-28 04:20:51,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:20:51,432 INFO L435 NwaCegarLoop]: 3395 mSDtfsCounter, 3 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10169 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:51,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10169 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:51,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2024-11-28 04:20:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2024-11-28 04:20:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 2276 states have (on average 1.4978031634446398) internal successors, (3409), 2276 states have internal predecessors, (3409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3409 transitions. [2024-11-28 04:20:51,504 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3409 transitions. Word has length 112 [2024-11-28 04:20:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:51,505 INFO L471 AbstractCegarLoop]: Abstraction has 2277 states and 3409 transitions. [2024-11-28 04:20:51,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3409 transitions. [2024-11-28 04:20:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 04:20:51,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:51,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:51,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:20:51,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:51,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:51,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1489902064, now seen corresponding path program 1 times [2024-11-28 04:20:51,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:51,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238986784] [2024-11-28 04:20:51,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:51,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:52,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:52,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238986784] [2024-11-28 04:20:52,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238986784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:52,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:52,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:20:52,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46048413] [2024-11-28 04:20:52,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:52,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:20:52,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:52,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:20:52,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:20:52,043 INFO L87 Difference]: Start difference. First operand 2277 states and 3409 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:55,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:55,774 INFO L93 Difference]: Finished difference Result 9507 states and 14236 transitions. [2024-11-28 04:20:55,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:20:55,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2024-11-28 04:20:55,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:55,791 INFO L225 Difference]: With dead ends: 9507 [2024-11-28 04:20:55,791 INFO L226 Difference]: Without dead ends: 4088 [2024-11-28 04:20:55,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:20:55,800 INFO L435 NwaCegarLoop]: 3250 mSDtfsCounter, 9328 mSDsluCounter, 11966 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9328 SdHoareTripleChecker+Valid, 15216 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:55,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9328 Valid, 15216 Invalid, 2058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [309 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 04:20:55,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2024-11-28 04:20:55,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 2363. [2024-11-28 04:20:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2362 states have (on average 1.4974597798475868) internal successors, (3537), 2362 states have internal predecessors, (3537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3537 transitions. [2024-11-28 04:20:55,890 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3537 transitions. Word has length 113 [2024-11-28 04:20:55,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:55,891 INFO L471 AbstractCegarLoop]: Abstraction has 2363 states and 3537 transitions. [2024-11-28 04:20:55,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:20:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3537 transitions. [2024-11-28 04:20:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:20:55,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:55,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:55,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:20:55,895 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:55,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:55,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1503734924, now seen corresponding path program 1 times [2024-11-28 04:20:55,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:55,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550271753] [2024-11-28 04:20:55,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:20:58,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:58,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550271753] [2024-11-28 04:20:58,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550271753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:58,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:58,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:20:58,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825013969] [2024-11-28 04:20:58,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:58,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:20:58,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:58,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:20:58,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:20:58,275 INFO L87 Difference]: Start difference. First operand 2363 states and 3537 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:02,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:02,603 INFO L93 Difference]: Finished difference Result 6349 states and 9504 transitions. [2024-11-28 04:21:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:21:02,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-28 04:21:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:02,622 INFO L225 Difference]: With dead ends: 6349 [2024-11-28 04:21:02,622 INFO L226 Difference]: Without dead ends: 4174 [2024-11-28 04:21:02,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:21:02,628 INFO L435 NwaCegarLoop]: 2640 mSDtfsCounter, 5556 mSDsluCounter, 10927 mSDsCounter, 0 mSdLazyCounter, 3559 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5556 SdHoareTripleChecker+Valid, 13567 SdHoareTripleChecker+Invalid, 3580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:02,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5556 Valid, 13567 Invalid, 3580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 3559 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:21:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2024-11-28 04:21:02,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 2366. [2024-11-28 04:21:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2365 states have (on average 1.4972515856236785) internal successors, (3541), 2365 states have internal predecessors, (3541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3541 transitions. [2024-11-28 04:21:02,710 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3541 transitions. Word has length 114 [2024-11-28 04:21:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:02,711 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3541 transitions. [2024-11-28 04:21:02,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3541 transitions. [2024-11-28 04:21:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:21:02,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:02,713 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:02,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:21:02,713 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:02,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:02,714 INFO L85 PathProgramCache]: Analyzing trace with hash 734660617, now seen corresponding path program 1 times [2024-11-28 04:21:02,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:02,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155418944] [2024-11-28 04:21:02,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:02,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:21:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:04,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155418944] [2024-11-28 04:21:04,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155418944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:04,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:04,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:21:04,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326588561] [2024-11-28 04:21:04,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:04,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:21:04,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:04,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:21:04,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:21:04,868 INFO L87 Difference]: Start difference. First operand 2366 states and 3541 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:09,628 INFO L93 Difference]: Finished difference Result 6347 states and 9500 transitions. [2024-11-28 04:21:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:21:09,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-11-28 04:21:09,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:09,640 INFO L225 Difference]: With dead ends: 6347 [2024-11-28 04:21:09,640 INFO L226 Difference]: Without dead ends: 4172 [2024-11-28 04:21:09,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:21:09,646 INFO L435 NwaCegarLoop]: 2641 mSDtfsCounter, 2835 mSDsluCounter, 12821 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 15462 SdHoareTripleChecker+Invalid, 4355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:09,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 15462 Invalid, 4355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 4332 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 04:21:09,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2024-11-28 04:21:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 2370. [2024-11-28 04:21:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 2369 states have (on average 1.4968341072182356) internal successors, (3546), 2369 states have internal predecessors, (3546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3546 transitions. [2024-11-28 04:21:09,725 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3546 transitions. Word has length 115 [2024-11-28 04:21:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:09,726 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3546 transitions. [2024-11-28 04:21:09,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3546 transitions. [2024-11-28 04:21:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:21:09,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:09,728 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:09,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:21:09,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:09,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1120951277, now seen corresponding path program 1 times [2024-11-28 04:21:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957816842] [2024-11-28 04:21:09,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:21:10,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:10,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957816842] [2024-11-28 04:21:10,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957816842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:10,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:10,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:10,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449506261] [2024-11-28 04:21:10,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:10,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:10,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:10,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:10,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:10,128 INFO L87 Difference]: Start difference. First operand 2370 states and 3546 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:13,987 INFO L93 Difference]: Finished difference Result 6613 states and 9899 transitions. [2024-11-28 04:21:13,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:13,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-11-28 04:21:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:13,999 INFO L225 Difference]: With dead ends: 6613 [2024-11-28 04:21:13,999 INFO L226 Difference]: Without dead ends: 4438 [2024-11-28 04:21:14,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:21:14,002 INFO L435 NwaCegarLoop]: 2427 mSDtfsCounter, 3275 mSDsluCounter, 7162 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 9589 SdHoareTripleChecker+Invalid, 3849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:14,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 9589 Invalid, 3849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 04:21:14,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4438 states. [2024-11-28 04:21:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4438 to 2374. [2024-11-28 04:21:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2373 states have (on average 1.4959966287399915) internal successors, (3550), 2373 states have internal predecessors, (3550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3550 transitions. [2024-11-28 04:21:14,072 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3550 transitions. Word has length 115 [2024-11-28 04:21:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:14,072 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3550 transitions. [2024-11-28 04:21:14,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3550 transitions. [2024-11-28 04:21:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:21:14,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:14,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:14,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:21:14,075 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:14,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash 623736068, now seen corresponding path program 1 times [2024-11-28 04:21:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539425299] [2024-11-28 04:21:14,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:21:14,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:14,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539425299] [2024-11-28 04:21:14,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539425299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:14,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:14,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:21:14,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402306353] [2024-11-28 04:21:14,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:14,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:21:14,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:14,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:21:14,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:21:14,690 INFO L87 Difference]: Start difference. First operand 2374 states and 3550 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:17,626 INFO L93 Difference]: Finished difference Result 4564 states and 6828 transitions. [2024-11-28 04:21:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:21:17,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-28 04:21:17,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:17,633 INFO L225 Difference]: With dead ends: 4564 [2024-11-28 04:21:17,633 INFO L226 Difference]: Without dead ends: 2389 [2024-11-28 04:21:17,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:21:17,636 INFO L435 NwaCegarLoop]: 2414 mSDtfsCounter, 3310 mSDsluCounter, 7228 mSDsCounter, 0 mSdLazyCounter, 3945 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 9642 SdHoareTripleChecker+Invalid, 3946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:17,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 9642 Invalid, 3946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3945 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:21:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-11-28 04:21:17,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2387. [2024-11-28 04:21:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 2386 states have (on average 1.4941324392288349) internal successors, (3565), 2386 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3565 transitions. [2024-11-28 04:21:17,686 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3565 transitions. Word has length 116 [2024-11-28 04:21:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:17,686 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3565 transitions. [2024-11-28 04:21:17,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3565 transitions. [2024-11-28 04:21:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 04:21:17,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:17,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:17,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:21:17,689 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:17,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:17,689 INFO L85 PathProgramCache]: Analyzing trace with hash 952555176, now seen corresponding path program 1 times [2024-11-28 04:21:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:17,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117785944] [2024-11-28 04:21:17,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:21:18,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:18,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117785944] [2024-11-28 04:21:18,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117785944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:18,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:18,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:18,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161201734] [2024-11-28 04:21:18,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:18,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:18,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:18,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:18,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:18,041 INFO L87 Difference]: Start difference. First operand 2387 states and 3565 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:21,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:21,593 INFO L93 Difference]: Finished difference Result 6293 states and 9405 transitions. [2024-11-28 04:21:21,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:21,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-11-28 04:21:21,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:21,613 INFO L225 Difference]: With dead ends: 6293 [2024-11-28 04:21:21,614 INFO L226 Difference]: Without dead ends: 4101 [2024-11-28 04:21:21,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:21:21,618 INFO L435 NwaCegarLoop]: 2540 mSDtfsCounter, 2752 mSDsluCounter, 7159 mSDsCounter, 0 mSdLazyCounter, 3738 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 9699 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:21,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 9699 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3738 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 04:21:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2024-11-28 04:21:21,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 2385. [2024-11-28 04:21:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2384 states have (on average 1.4941275167785235) internal successors, (3562), 2384 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3562 transitions. [2024-11-28 04:21:21,674 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3562 transitions. Word has length 117 [2024-11-28 04:21:21,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:21,678 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 3562 transitions. [2024-11-28 04:21:21,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3562 transitions. [2024-11-28 04:21:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 04:21:21,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:21,680 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:21,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:21:21,681 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:21,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:21,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1819671410, now seen corresponding path program 1 times [2024-11-28 04:21:21,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:21,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980773887] [2024-11-28 04:21:21,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:21,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:21,817 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:22,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:21:22,018 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:21:22,019 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:21:22,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:21:22,026 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:22,194 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:21:22,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:21:22 BoogieIcfgContainer [2024-11-28 04:21:22,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:21:22,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:21:22,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:21:22,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:21:22,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:20:46" (3/4) ... [2024-11-28 04:21:22,203 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:21:22,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:21:22,206 INFO L158 Benchmark]: Toolchain (without parser) took 50157.82ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 98.2MB in the beginning and 988.0MB in the end (delta: -889.7MB). Peak memory consumption was 231.4MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,207 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:22,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1222.65ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 97.9MB in the beginning and 78.3MB in the end (delta: 19.6MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 1093.86ms. Allocated memory was 151.0MB in the beginning and 419.4MB in the end (delta: 268.4MB). Free memory was 78.3MB in the beginning and 263.6MB in the end (delta: -185.3MB). Peak memory consumption was 155.9MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,209 INFO L158 Benchmark]: Boogie Preprocessor took 1274.51ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 838.9MB). Free memory was 263.6MB in the beginning and 1.1GB in the end (delta: -798.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,209 INFO L158 Benchmark]: RCFGBuilder took 11351.24ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 869.8MB in the end (delta: 191.8MB). Peak memory consumption was 787.4MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,210 INFO L158 Benchmark]: TraceAbstraction took 35199.68ms. Allocated memory is still 1.3GB. Free memory was 869.8MB in the beginning and 988.1MB in the end (delta: -118.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:22,210 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 1.3GB. Free memory was 988.1MB in the beginning and 988.0MB in the end (delta: 108.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:21:22,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1222.65ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 97.9MB in the beginning and 78.3MB in the end (delta: 19.6MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1093.86ms. Allocated memory was 151.0MB in the beginning and 419.4MB in the end (delta: 268.4MB). Free memory was 78.3MB in the beginning and 263.6MB in the end (delta: -185.3MB). Peak memory consumption was 155.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1274.51ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 838.9MB). Free memory was 263.6MB in the beginning and 1.1GB in the end (delta: -798.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * RCFGBuilder took 11351.24ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 869.8MB in the end (delta: 191.8MB). Peak memory consumption was 787.4MB. Max. memory is 16.1GB. * TraceAbstraction took 35199.68ms. Allocated memory is still 1.3GB. Free memory was 869.8MB in the beginning and 988.1MB in the end (delta: -118.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 1.3GB. Free memory was 988.1MB in the beginning and 988.0MB in the end (delta: 108.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: 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 bitwiseAnd at line 236, overapproximation of bitwiseAnd at line 211, overapproximation of bitwiseAnd at line 234. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_57 = 1; [L41] const SORT_4 var_58 = 0; [L42] const SORT_2 var_68 = 2; [L43] const SORT_2 var_70 = 1; [L44] const SORT_2 var_72 = 0; [L45] const SORT_2 var_108 = 6; [L46] const SORT_2 var_109 = 255; [L47] const SORT_2 var_118 = 24; [L48] const SORT_2 var_127 = 14; [L49] const SORT_3 var_292 = 0; [L50] const SORT_4 var_294 = 6; [L51] const SORT_4 var_326 = 24; [L52] const SORT_4 var_358 = 14; [L54] SORT_1 input_67; [L55] SORT_1 input_69; [L56] SORT_1 input_71; [L57] SORT_1 input_73; [L58] SORT_1 input_79; [L59] SORT_1 input_82; [L60] SORT_1 input_83; [L61] SORT_1 input_84; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_94; [L65] SORT_1 input_95; [L66] SORT_1 input_96; [L67] SORT_1 input_97; [L68] SORT_1 input_103; [L69] SORT_1 input_106; [L70] SORT_1 input_107; [L71] SORT_1 input_116; [L72] SORT_1 input_117; [L73] SORT_1 input_125; [L74] SORT_1 input_126; [L75] SORT_1 input_141; [L76] SORT_1 input_143; [L77] SORT_1 input_162; [L78] SORT_1 input_164; [L79] SORT_1 input_183; [L80] SORT_1 input_185; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L82] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L83] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L84] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L85] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L86] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L87] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L88] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L89] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L90] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L91] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L92] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L93] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L94] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L95] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L96] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L97] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L98] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L99] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L100] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L101] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L102] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L103] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L104] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L105] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L106] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_2 init_7_arg_1 = var_5; [L109] state_6 = init_7_arg_1 [L110] SORT_2 init_9_arg_1 = var_5; [L111] state_8 = init_9_arg_1 [L112] SORT_2 init_11_arg_1 = var_5; [L113] state_10 = init_11_arg_1 [L114] SORT_2 init_13_arg_1 = var_5; [L115] state_12 = init_13_arg_1 [L116] SORT_2 init_15_arg_1 = var_5; [L117] state_14 = init_15_arg_1 [L118] SORT_2 init_17_arg_1 = var_5; [L119] state_16 = init_17_arg_1 [L120] SORT_2 init_19_arg_1 = var_5; [L121] state_18 = init_19_arg_1 [L122] SORT_2 init_21_arg_1 = var_5; [L123] state_20 = init_21_arg_1 [L124] SORT_2 init_23_arg_1 = var_5; [L125] state_22 = init_23_arg_1 [L126] SORT_1 init_26_arg_1 = var_24; [L127] state_25 = init_26_arg_1 [L128] SORT_1 init_28_arg_1 = var_24; [L129] state_27 = init_28_arg_1 [L130] SORT_1 init_30_arg_1 = var_24; [L131] state_29 = init_30_arg_1 [L132] SORT_1 init_32_arg_1 = var_24; [L133] state_31 = init_32_arg_1 [L134] SORT_1 init_34_arg_1 = var_24; [L135] state_33 = init_34_arg_1 [L136] SORT_1 init_36_arg_1 = var_24; [L137] state_35 = init_36_arg_1 [L138] SORT_1 init_38_arg_1 = var_24; [L139] state_37 = init_38_arg_1 [L140] SORT_1 init_40_arg_1 = var_24; [L141] state_39 = init_40_arg_1 [L142] SORT_1 init_42_arg_1 = var_24; [L143] state_41 = init_42_arg_1 [L144] SORT_1 init_44_arg_1 = var_24; [L145] state_43 = init_44_arg_1 [L146] SORT_1 init_46_arg_1 = var_24; [L147] state_45 = init_46_arg_1 [L148] SORT_1 init_48_arg_1 = var_24; [L149] state_47 = init_48_arg_1 [L150] SORT_1 init_50_arg_1 = var_24; [L151] state_49 = init_50_arg_1 [L152] SORT_1 init_52_arg_1 = var_24; [L153] state_51 = init_52_arg_1 [L154] SORT_1 init_54_arg_1 = var_24; [L155] state_53 = init_54_arg_1 [L156] SORT_1 init_56_arg_1 = var_24; [L157] state_55 = init_56_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L160] input_67 = __VERIFIER_nondet_uchar() [L161] EXPR input_67 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L161] input_67 = input_67 & mask_SORT_1 [L162] input_69 = __VERIFIER_nondet_uchar() [L163] EXPR input_69 & mask_SORT_1 VAL [input_67=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L163] input_69 = input_69 & mask_SORT_1 [L164] input_71 = __VERIFIER_nondet_uchar() [L165] EXPR input_71 & mask_SORT_1 VAL [input_67=0, input_69=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L165] input_71 = input_71 & mask_SORT_1 [L166] input_73 = __VERIFIER_nondet_uchar() [L167] EXPR input_73 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L167] input_73 = input_73 & mask_SORT_1 [L168] input_79 = __VERIFIER_nondet_uchar() [L169] EXPR input_79 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L169] input_79 = input_79 & mask_SORT_1 [L170] input_82 = __VERIFIER_nondet_uchar() [L171] EXPR input_82 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L171] input_82 = input_82 & mask_SORT_1 [L172] input_83 = __VERIFIER_nondet_uchar() [L173] EXPR input_83 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L173] input_83 = input_83 & mask_SORT_1 [L174] input_84 = __VERIFIER_nondet_uchar() [L175] EXPR input_84 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L175] input_84 = input_84 & mask_SORT_1 [L176] input_85 = __VERIFIER_nondet_uchar() [L177] EXPR input_85 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L177] input_85 = input_85 & mask_SORT_1 [L178] input_91 = __VERIFIER_nondet_uchar() [L179] EXPR input_91 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L179] input_91 = input_91 & mask_SORT_1 [L180] input_94 = __VERIFIER_nondet_uchar() [L181] EXPR input_94 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L181] input_94 = input_94 & mask_SORT_1 [L182] input_95 = __VERIFIER_nondet_uchar() [L183] EXPR input_95 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L183] input_95 = input_95 & mask_SORT_1 [L184] input_96 = __VERIFIER_nondet_uchar() [L185] EXPR input_96 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L185] input_96 = input_96 & mask_SORT_1 [L186] input_97 = __VERIFIER_nondet_uchar() [L187] EXPR input_97 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L187] input_97 = input_97 & mask_SORT_1 [L188] input_103 = __VERIFIER_nondet_uchar() [L189] EXPR input_103 & mask_SORT_1 VAL [input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L189] input_103 = input_103 & mask_SORT_1 [L190] input_106 = __VERIFIER_nondet_uchar() [L191] EXPR input_106 & mask_SORT_1 VAL [input_103=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L191] input_106 = input_106 & mask_SORT_1 [L192] input_107 = __VERIFIER_nondet_uchar() [L193] EXPR input_107 & mask_SORT_1 VAL [input_103=0, input_106=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L193] input_107 = input_107 & mask_SORT_1 [L194] input_116 = __VERIFIER_nondet_uchar() [L195] EXPR input_116 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L195] input_116 = input_116 & mask_SORT_1 [L196] input_117 = __VERIFIER_nondet_uchar() [L197] EXPR input_117 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L197] input_117 = input_117 & mask_SORT_1 [L198] input_125 = __VERIFIER_nondet_uchar() [L199] EXPR input_125 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L199] input_125 = input_125 & mask_SORT_1 [L200] input_126 = __VERIFIER_nondet_uchar() [L201] EXPR input_126 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L201] input_126 = input_126 & mask_SORT_1 [L202] input_141 = __VERIFIER_nondet_uchar() [L203] input_143 = __VERIFIER_nondet_uchar() [L204] input_162 = __VERIFIER_nondet_uchar() [L205] input_164 = __VERIFIER_nondet_uchar() [L206] input_183 = __VERIFIER_nondet_uchar() [L207] input_185 = __VERIFIER_nondet_uchar() [L210] SORT_1 var_59_arg_0 = ~state_27; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_59_arg_0=-1, var_68=2, var_70=1, var_72=0] [L211] EXPR var_59_arg_0 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L211] var_59_arg_0 = var_59_arg_0 & mask_SORT_1 [L212] SORT_4 var_59_arg_1 = var_57; [L213] SORT_4 var_59_arg_2 = var_58; [L214] SORT_4 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L215] SORT_1 var_60_arg_0 = state_33; [L216] SORT_4 var_60_arg_1 = var_57; [L217] SORT_4 var_60_arg_2 = var_58; [L218] SORT_4 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L219] SORT_4 var_61_arg_0 = var_59; [L220] SORT_4 var_61_arg_1 = var_60; [L221] SORT_4 var_61 = var_61_arg_0 + var_61_arg_1; [L222] SORT_1 var_62_arg_0 = state_39; [L223] SORT_4 var_62_arg_1 = var_57; [L224] SORT_4 var_62_arg_2 = var_58; [L225] SORT_4 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L226] SORT_4 var_63_arg_0 = var_61; [L227] SORT_4 var_63_arg_1 = var_62; [L228] SORT_4 var_63 = var_63_arg_0 + var_63_arg_1; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_63=0, var_68=2, var_70=1, var_72=0] [L229] EXPR var_63 & mask_SORT_4 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L229] var_63 = var_63 & mask_SORT_4 [L230] SORT_4 var_64_arg_0 = var_63; [L231] SORT_4 var_64_arg_1 = var_57; [L232] SORT_1 var_64 = var_64_arg_0 <= var_64_arg_1; [L233] SORT_1 var_65_arg_0 = ~state_55; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_64=1, var_65_arg_0=-1, var_68=2, var_70=1, var_72=0] [L234] EXPR var_65_arg_0 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_64=1, var_68=2, var_70=1, var_72=0] [L234] var_65_arg_0 = var_65_arg_0 & mask_SORT_1 [L235] SORT_1 var_65_arg_1 = ~var_64; VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_65_arg_0=1, var_65_arg_1=-2, var_68=2, var_70=1, var_72=0] [L236] EXPR var_65_arg_1 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_65_arg_0=1, var_68=2, var_70=1, var_72=0] [L236] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L237] EXPR var_65_arg_0 & var_65_arg_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L237] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L238] EXPR var_65 & mask_SORT_1 VAL [input_103=0, input_106=0, input_107=0, input_116=0, input_117=0, input_125=0, input_126=0, input_67=0, input_69=0, input_71=0, input_73=0, input_79=0, input_82=0, input_83=0, input_84=0, input_85=0, input_91=0, input_94=0, input_95=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_68=2, var_70=1, var_72=0] [L238] var_65 = var_65 & mask_SORT_1 [L239] SORT_1 bad_66_arg_0 = var_65; [L240] CALL __VERIFIER_assert(!(bad_66_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2270 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 24.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27059 SdHoareTripleChecker+Valid, 21.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27059 mSDsluCounter, 113867 SdHoareTripleChecker+Invalid, 18.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84375 mSDsCounter, 355 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21239 IncrementalHoareTripleChecker+Invalid, 21594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 355 mSolverCounterUnsat, 29492 mSDtfsCounter, 21239 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2387occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 9121 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1249 NumberOfCodeBlocks, 1249 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 5963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 04:21:22,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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 64bit --witnessprinter.graph.data.programhash cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:21:25,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:21:25,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 04:21:25,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:21:25,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:21:25,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:21:25,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:21:25,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:21:25,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:21:25,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:21:25,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:21:25,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:21:25,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:21:25,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:21:25,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:21:25,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:21:25,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:21:25,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:21:25,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:21:25,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:21:25,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:21:25,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:21:25,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:25,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:25,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:25,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:25,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:21:25,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:25,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:25,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:25,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:25,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:21:25,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:21:25,599 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2024-11-28 04:21:26,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:21:26,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:21:26,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:21:26,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:21:26,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:21:26,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:21:29,439 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/ebe3993d4/fff10c0204a547949ce47e5e852d0617/FLAG382f6bfef [2024-11-28 04:21:29,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:21:29,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:21:29,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/ebe3993d4/fff10c0204a547949ce47e5e852d0617/FLAG382f6bfef [2024-11-28 04:21:30,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/data/ebe3993d4/fff10c0204a547949ce47e5e852d0617 [2024-11-28 04:21:30,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:21:30,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:21:30,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:30,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:21:30,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:21:30,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:30,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123b5139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30, skipping insertion in model container [2024-11-28 04:21:30,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:30,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:21:30,328 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-28 04:21:30,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:30,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:21:30,765 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_5d539de7-2c79-4c06-b4d5-f0dba091fa27/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2024-11-28 04:21:30,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:30,987 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:21:30,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30 WrapperNode [2024-11-28 04:21:30,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:30,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:30,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:21:30,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:21:31,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,144 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1761 [2024-11-28 04:21:31,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:31,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:21:31,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:21:31,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:21:31,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,211 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 04:21:31,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:21:31,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:21:31,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:21:31,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:21:31,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (1/1) ... [2024-11-28 04:21:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:31,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:31,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:21:31,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:21:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:21:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:21:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:21:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:21:31,931 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:21:31,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:21:34,687 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-28 04:21:34,688 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:21:34,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:21:34,700 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:21:34,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:34 BoogieIcfgContainer [2024-11-28 04:21:34,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:21:34,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:21:34,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:21:34,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:21:34,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:21:30" (1/3) ... [2024-11-28 04:21:34,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355c06ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:34, skipping insertion in model container [2024-11-28 04:21:34,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:30" (2/3) ... [2024-11-28 04:21:34,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355c06ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:34, skipping insertion in model container [2024-11-28 04:21:34,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:34" (3/3) ... [2024-11-28 04:21:34,713 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c [2024-11-28 04:21:34,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:21:34,735 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.1.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:21:34,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:21:34,811 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;@4975ddfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:21:34,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:21:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:21:34,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:34,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:21:34,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:34,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:34,835 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 04:21:34,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:34,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092869663] [2024-11-28 04:21:34,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:34,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:34,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:34,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:34,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:21:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:35,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-28 04:21:35,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:21:36,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:36,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092869663] [2024-11-28 04:21:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092869663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:36,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:36,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:21:36,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215476225] [2024-11-28 04:21:36,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:36,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:21:36,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:36,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:21:36,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:21:36,154 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:36,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:36,408 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 04:21:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:21:36,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 04:21:36,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:36,422 INFO L225 Difference]: With dead ends: 18 [2024-11-28 04:21:36,423 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 04:21:36,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:36,431 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:36,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:21:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 04:21:36,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 04:21:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 04:21:36,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 04:21:36,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:36,478 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 04:21:36,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:21:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 04:21:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 04:21:36,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:36,480 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:36,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:36,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:36,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:36,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 04:21:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:36,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267908430] [2024-11-28 04:21:36,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:36,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d539de7-2c79-4c06-b4d5-f0dba091fa27/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:21:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:37,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 04:21:37,530 INFO L279 TraceCheckSpWp]: Computing forward predicates...