./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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 3c22b85d347581119638421811f37a37cce681028ee2583c8ff4c6119cb50fe4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:45,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:45,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:21:45,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:45,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:45,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:45,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:45,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:45,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:21:45,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:21:45,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:45,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:45,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:45,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:45,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:45,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:45,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:45,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:21:45,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:45,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:45,737 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:45,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:45,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:45,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:45,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:45,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:45,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:45,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:45,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:45,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:45,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:21:45,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:45,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:45,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:45,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:45,741 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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 -> 3c22b85d347581119638421811f37a37cce681028ee2583c8ff4c6119cb50fe4 [2024-11-27 20:21:46,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:46,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:46,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:46,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:46,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:46,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:21:49,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/c97a06a9e/715212e60638400298e0f0a48da4e714/FLAG20110695b [2024-11-27 20:21:49,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:21:49,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:21:49,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/c97a06a9e/715212e60638400298e0f0a48da4e714/FLAG20110695b [2024-11-27 20:21:50,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/c97a06a9e/715212e60638400298e0f0a48da4e714 [2024-11-27 20:21:50,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:21:50,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:21:50,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:50,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:21:50,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:21:50,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:50" (1/1) ... [2024-11-27 20:21:50,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fe699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:50, skipping insertion in model container [2024-11-27 20:21:50,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:50" (1/1) ... [2024-11-27 20:21:50,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:21:50,409 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c[1170,1183] [2024-11-27 20:21:51,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:51,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:21:51,070 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c[1170,1183] [2024-11-27 20:21:51,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:51,488 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:21:51,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51 WrapperNode [2024-11-27 20:21:51,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:51,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:51,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:21:51,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:21:51,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:51,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:52,606 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7699 [2024-11-27 20:21:52,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:52,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:21:52,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:21:52,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:21:52,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:52,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:52,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,070 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:21:53,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:53,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:54,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:21:54,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:21:54,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:21:54,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:21:54,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (1/1) ... [2024-11-27 20:21:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:54,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:21:54,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:21:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:21:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:21:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:21:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:21:54,751 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:21:54,754 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:22:07,188 INFO L? ?]: Removed 4338 outVars from TransFormulas that were not future-live. [2024-11-27 20:22:07,189 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:22:07,270 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:22:07,272 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:22:07,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:07 BoogieIcfgContainer [2024-11-27 20:22:07,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:22:07,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:22:07,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:22:07,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:22:07,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:21:50" (1/3) ... [2024-11-27 20:22:07,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8ac5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:07, skipping insertion in model container [2024-11-27 20:22:07,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:51" (2/3) ... [2024-11-27 20:22:07,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8ac5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:07, skipping insertion in model container [2024-11-27 20:22:07,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:07" (3/3) ... [2024-11-27 20:22:07,285 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:22:07,303 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:22:07,306 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.2.prop1-func-interl.c that has 1 procedures, 2726 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:22:07,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:22:07,470 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;@58741a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:22:07,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:22:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 2726 states, 2724 states have (on average 1.501101321585903) internal successors, (4089), 2725 states have internal predecessors, (4089), 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) [2024-11-27 20:22:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 20:22:07,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:07,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:07,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:07,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:07,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1194632520, now seen corresponding path program 1 times [2024-11-27 20:22:07,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:07,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685832621] [2024-11-27 20:22:07,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:07,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:09,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:09,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685832621] [2024-11-27 20:22:09,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685832621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:09,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:09,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304951138] [2024-11-27 20:22:09,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:09,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:09,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:09,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:09,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:09,119 INFO L87 Difference]: Start difference. First operand has 2726 states, 2724 states have (on average 1.501101321585903) internal successors, (4089), 2725 states have internal predecessors, (4089), 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 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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) [2024-11-27 20:22:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:09,461 INFO L93 Difference]: Finished difference Result 5285 states and 7931 transitions. [2024-11-27 20:22:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:09,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 127 [2024-11-27 20:22:09,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:09,497 INFO L225 Difference]: With dead ends: 5285 [2024-11-27 20:22:09,497 INFO L226 Difference]: Without dead ends: 2725 [2024-11-27 20:22:09,514 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 [2024-11-27 20:22:09,517 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 0 mSDsluCounter, 8160 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12243 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 [2024-11-27 20:22:09,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12243 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:22:09,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2024-11-27 20:22:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 2725. [2024-11-27 20:22:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2724 states have (on average 1.500367107195301) internal successors, (4087), 2724 states have internal predecessors, (4087), 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) [2024-11-27 20:22:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 4087 transitions. [2024-11-27 20:22:09,732 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 4087 transitions. Word has length 127 [2024-11-27 20:22:09,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:09,734 INFO L471 AbstractCegarLoop]: Abstraction has 2725 states and 4087 transitions. [2024-11-27 20:22:09,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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) [2024-11-27 20:22:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 4087 transitions. [2024-11-27 20:22:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 20:22:09,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:09,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:09,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:22:09,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:09,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1619401598, now seen corresponding path program 1 times [2024-11-27 20:22:09,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:09,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654825376] [2024-11-27 20:22:09,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:10,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:10,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654825376] [2024-11-27 20:22:10,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654825376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:10,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:10,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:10,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414903136] [2024-11-27 20:22:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:10,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:10,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:10,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:10,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:10,326 INFO L87 Difference]: Start difference. First operand 2725 states and 4087 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2024-11-27 20:22:10,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:10,528 INFO L93 Difference]: Finished difference Result 5286 states and 7929 transitions. [2024-11-27 20:22:10,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:10,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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 128 [2024-11-27 20:22:10,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:10,540 INFO L225 Difference]: With dead ends: 5286 [2024-11-27 20:22:10,540 INFO L226 Difference]: Without dead ends: 2727 [2024-11-27 20:22:10,543 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 [2024-11-27 20:22:10,544 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 0 mSDsluCounter, 8156 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12239 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:22:10,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12239 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:22:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2024-11-27 20:22:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2727. [2024-11-27 20:22:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2727 states, 2726 states have (on average 1.5) internal successors, (4089), 2726 states have internal predecessors, (4089), 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) [2024-11-27 20:22:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 4089 transitions. [2024-11-27 20:22:10,627 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 4089 transitions. Word has length 128 [2024-11-27 20:22:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:10,627 INFO L471 AbstractCegarLoop]: Abstraction has 2727 states and 4089 transitions. [2024-11-27 20:22:10,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2024-11-27 20:22:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 4089 transitions. [2024-11-27 20:22:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 20:22:10,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:10,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:10,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:22:10,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:10,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash 240192865, now seen corresponding path program 1 times [2024-11-27 20:22:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513491005] [2024-11-27 20:22:10,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:11,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:11,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513491005] [2024-11-27 20:22:11,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513491005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:11,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:11,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:11,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902650042] [2024-11-27 20:22:11,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:11,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:11,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:11,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:11,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:11,097 INFO L87 Difference]: Start difference. First operand 2727 states and 4089 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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) [2024-11-27 20:22:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:11,245 INFO L93 Difference]: Finished difference Result 5290 states and 7933 transitions. [2024-11-27 20:22:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:11,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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 129 [2024-11-27 20:22:11,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:11,260 INFO L225 Difference]: With dead ends: 5290 [2024-11-27 20:22:11,261 INFO L226 Difference]: Without dead ends: 2729 [2024-11-27 20:22:11,264 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 [2024-11-27 20:22:11,266 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 0 mSDsluCounter, 8150 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12233 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 [2024-11-27 20:22:11,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12233 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:22:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2024-11-27 20:22:11,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2729. [2024-11-27 20:22:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2729 states, 2728 states have (on average 1.4996334310850439) internal successors, (4091), 2728 states have internal predecessors, (4091), 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) [2024-11-27 20:22:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 4091 transitions. [2024-11-27 20:22:11,347 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 4091 transitions. Word has length 129 [2024-11-27 20:22:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:11,350 INFO L471 AbstractCegarLoop]: Abstraction has 2729 states and 4091 transitions. [2024-11-27 20:22:11,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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) [2024-11-27 20:22:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 4091 transitions. [2024-11-27 20:22:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 20:22:11,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:11,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:11,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:22:11,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:11,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash -235068183, now seen corresponding path program 1 times [2024-11-27 20:22:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377721402] [2024-11-27 20:22:11,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:11,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:11,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:11,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377721402] [2024-11-27 20:22:11,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377721402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:11,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:11,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:11,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403820181] [2024-11-27 20:22:11,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:11,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:11,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:11,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:11,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:11,777 INFO L87 Difference]: Start difference. First operand 2729 states and 4091 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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) [2024-11-27 20:22:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:11,914 INFO L93 Difference]: Finished difference Result 5300 states and 7945 transitions. [2024-11-27 20:22:11,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:11,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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 130 [2024-11-27 20:22:11,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:11,926 INFO L225 Difference]: With dead ends: 5300 [2024-11-27 20:22:11,926 INFO L226 Difference]: Without dead ends: 2737 [2024-11-27 20:22:11,929 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 [2024-11-27 20:22:11,931 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 3 mSDsluCounter, 8150 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12233 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 [2024-11-27 20:22:11,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12233 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:22:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2024-11-27 20:22:11,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2733. [2024-11-27 20:22:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2733 states, 2732 states have (on average 1.4996339677891655) internal successors, (4097), 2732 states have internal predecessors, (4097), 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) [2024-11-27 20:22:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 4097 transitions. [2024-11-27 20:22:12,010 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 4097 transitions. Word has length 130 [2024-11-27 20:22:12,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:12,011 INFO L471 AbstractCegarLoop]: Abstraction has 2733 states and 4097 transitions. [2024-11-27 20:22:12,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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) [2024-11-27 20:22:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 4097 transitions. [2024-11-27 20:22:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 20:22:12,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:12,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:12,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:22:12,015 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:12,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:12,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1877952390, now seen corresponding path program 1 times [2024-11-27 20:22:12,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:12,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440588593] [2024-11-27 20:22:12,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:12,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:12,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:12,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440588593] [2024-11-27 20:22:12,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440588593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:12,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:12,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:12,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001928743] [2024-11-27 20:22:12,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:12,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:22:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:12,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:22:12,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:22:12,847 INFO L87 Difference]: Start difference. First operand 2733 states and 4097 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2024-11-27 20:22:17,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:17,119 INFO L93 Difference]: Finished difference Result 7851 states and 11771 transitions. [2024-11-27 20:22:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:22:17,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 131 [2024-11-27 20:22:17,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:17,138 INFO L225 Difference]: With dead ends: 7851 [2024-11-27 20:22:17,138 INFO L226 Difference]: Without dead ends: 5284 [2024-11-27 20:22:17,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:17,143 INFO L435 NwaCegarLoop]: 3219 mSDtfsCounter, 3949 mSDsluCounter, 9520 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 12739 SdHoareTripleChecker+Invalid, 3355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:22:17,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 12739 Invalid, 3355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3354 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 20:22:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2024-11-27 20:22:17,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 2800. [2024-11-27 20:22:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 2799 states have (on average 1.4991068238656664) internal successors, (4196), 2799 states have internal predecessors, (4196), 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) [2024-11-27 20:22:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 4196 transitions. [2024-11-27 20:22:17,234 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 4196 transitions. Word has length 131 [2024-11-27 20:22:17,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:17,235 INFO L471 AbstractCegarLoop]: Abstraction has 2800 states and 4196 transitions. [2024-11-27 20:22:17,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2024-11-27 20:22:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 4196 transitions. [2024-11-27 20:22:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 20:22:17,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:17,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:17,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:22:17,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:17,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2147003020, now seen corresponding path program 1 times [2024-11-27 20:22:17,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:17,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956687521] [2024-11-27 20:22:17,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:17,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:18,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:18,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956687521] [2024-11-27 20:22:18,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956687521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:18,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:18,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:22:18,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625546070] [2024-11-27 20:22:18,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:18,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:18,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:18,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:18,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:18,157 INFO L87 Difference]: Start difference. First operand 2800 states and 4196 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-11-27 20:22:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:21,208 INFO L93 Difference]: Finished difference Result 5382 states and 8066 transitions. [2024-11-27 20:22:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:21,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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 132 [2024-11-27 20:22:21,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:21,218 INFO L225 Difference]: With dead ends: 5382 [2024-11-27 20:22:21,219 INFO L226 Difference]: Without dead ends: 2815 [2024-11-27 20:22:21,222 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 [2024-11-27 20:22:21,223 INFO L435 NwaCegarLoop]: 3207 mSDtfsCounter, 3982 mSDsluCounter, 9607 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3982 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 3526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:22:21,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3982 Valid, 12814 Invalid, 3526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3525 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-27 20:22:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-27 20:22:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2813. [2024-11-27 20:22:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2812 states have (on average 1.4975106685633002) internal successors, (4211), 2812 states have internal predecessors, (4211), 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) [2024-11-27 20:22:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4211 transitions. [2024-11-27 20:22:21,291 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4211 transitions. Word has length 132 [2024-11-27 20:22:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:21,291 INFO L471 AbstractCegarLoop]: Abstraction has 2813 states and 4211 transitions. [2024-11-27 20:22:21,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-11-27 20:22:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4211 transitions. [2024-11-27 20:22:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-27 20:22:21,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:21,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:21,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:22:21,293 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:21,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1843036037, now seen corresponding path program 1 times [2024-11-27 20:22:21,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:21,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676036976] [2024-11-27 20:22:21,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:22:21,385 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:22:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:22:21,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:22:21,552 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:22:21,553 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:22:21,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:22:21,558 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:21,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:22:21,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:22:21 BoogieIcfgContainer [2024-11-27 20:22:21,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:22:21,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:22:21,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:22:21,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:22:21,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:07" (3/4) ... [2024-11-27 20:22:21,694 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:22:21,696 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:22:21,697 INFO L158 Benchmark]: Toolchain (without parser) took 31677.56ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 91.5MB in the beginning and 202.7MB in the end (delta: -111.2MB). Peak memory consumption was 506.6MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,697 INFO L158 Benchmark]: CDTParser took 2.40ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:22:21,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.28ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.5MB in the beginning and 278.2MB in the end (delta: -186.7MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 1115.45ms. Allocated memory is still 352.3MB. Free memory was 278.2MB in the beginning and 170.9MB in the end (delta: 107.3MB). Peak memory consumption was 278.5MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,699 INFO L158 Benchmark]: Boogie Preprocessor took 1507.97ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 170.9MB in the beginning and 406.2MB in the end (delta: -235.3MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,700 INFO L158 Benchmark]: RCFGBuilder took 13157.24ms. Allocated memory was 620.8MB in the beginning and 729.8MB in the end (delta: 109.1MB). Free memory was 406.2MB in the beginning and 442.0MB in the end (delta: -35.8MB). Peak memory consumption was 492.8MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,700 INFO L158 Benchmark]: TraceAbstraction took 14412.25ms. Allocated memory is still 729.8MB. Free memory was 442.0MB in the beginning and 202.7MB in the end (delta: 239.3MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,701 INFO L158 Benchmark]: Witness Printer took 6.34ms. Allocated memory is still 729.8MB. Free memory was 202.7MB in the beginning and 202.7MB in the end (delta: 39.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:22:21,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.28ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.5MB in the beginning and 278.2MB in the end (delta: -186.7MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1115.45ms. Allocated memory is still 352.3MB. Free memory was 278.2MB in the beginning and 170.9MB in the end (delta: 107.3MB). Peak memory consumption was 278.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1507.97ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 170.9MB in the beginning and 406.2MB in the end (delta: -235.3MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13157.24ms. Allocated memory was 620.8MB in the beginning and 729.8MB in the end (delta: 109.1MB). Free memory was 406.2MB in the beginning and 442.0MB in the end (delta: -35.8MB). Peak memory consumption was 492.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14412.25ms. Allocated memory is still 729.8MB. Free memory was 442.0MB in the beginning and 202.7MB in the end (delta: 239.3MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. * Witness Printer took 6.34ms. Allocated memory is still 729.8MB. Free memory was 202.7MB in the beginning and 202.7MB in the end (delta: 39.5kB). 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 291, overapproximation of bitwiseAnd at line 289. 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 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_25 = 0; [L37] const SORT_3 var_88 = 1; [L38] const SORT_3 var_89 = 0; [L39] const SORT_2 var_98 = 255; [L40] const SORT_2 var_100 = 0; [L41] const SORT_2 var_103 = 2; [L42] const SORT_2 var_107 = 1; [L44] SORT_1 input_99; [L45] SORT_1 input_104; [L46] SORT_1 input_108; [L47] SORT_1 input_111; [L48] SORT_1 input_123; [L49] SORT_1 input_135; [L50] SORT_1 input_147; [L51] SORT_1 input_148; [L52] SORT_1 input_152; [L53] SORT_1 input_153; [L54] SORT_1 input_157; [L55] SORT_1 input_158; [L56] SORT_1 input_162; [L57] SORT_1 input_163; [L58] SORT_1 input_164; [L59] SORT_1 input_165; [L60] SORT_1 input_166; [L61] SORT_1 input_167; [L62] SORT_1 input_191; [L63] SORT_1 input_193; [L64] SORT_1 input_203; [L65] SORT_1 input_208; [L66] SORT_1 input_210; [L67] SORT_1 input_215; [L68] SORT_1 input_219; [L69] SORT_1 input_234; [L70] SORT_1 input_236; [L71] SORT_1 input_246; [L72] SORT_1 input_251; [L73] SORT_1 input_253; [L74] SORT_1 input_258; [L75] SORT_1 input_262; [L76] SORT_1 input_277; [L77] SORT_1 input_279; [L78] SORT_1 input_289; [L79] SORT_1 input_294; [L80] SORT_1 input_296; [L81] SORT_1 input_301; [L82] SORT_1 input_305; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L84] SORT_2 state_5 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L85] SORT_2 state_7 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L86] SORT_2 state_9 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L87] SORT_2 state_11 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L88] SORT_2 state_13 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L89] SORT_2 state_15 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L90] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L91] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L92] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L93] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L94] SORT_1 state_26 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L95] SORT_1 state_28 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L96] SORT_1 state_30 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L97] SORT_1 state_32 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L98] SORT_1 state_34 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L99] SORT_1 state_36 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L100] SORT_1 state_38 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L101] SORT_1 state_40 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L102] SORT_1 state_42 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L103] SORT_1 state_44 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L104] SORT_1 state_46 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L105] SORT_1 state_48 = __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_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L106] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L107] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L108] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L109] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L110] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L111] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L112] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L113] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L114] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L115] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L116] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L117] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L118] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L119] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L120] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L121] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L122] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L123] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L124] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_2 init_6_arg_1 = var_4; [L127] state_5 = init_6_arg_1 [L128] SORT_2 init_8_arg_1 = var_4; [L129] state_7 = init_8_arg_1 [L130] SORT_2 init_10_arg_1 = var_4; [L131] state_9 = init_10_arg_1 [L132] SORT_2 init_12_arg_1 = var_4; [L133] state_11 = init_12_arg_1 [L134] SORT_2 init_14_arg_1 = var_4; [L135] state_13 = init_14_arg_1 [L136] SORT_2 init_16_arg_1 = var_4; [L137] state_15 = init_16_arg_1 [L138] SORT_2 init_18_arg_1 = var_4; [L139] state_17 = init_18_arg_1 [L140] SORT_2 init_20_arg_1 = var_4; [L141] state_19 = init_20_arg_1 [L142] SORT_2 init_22_arg_1 = var_4; [L143] state_21 = init_22_arg_1 [L144] SORT_2 init_24_arg_1 = var_4; [L145] state_23 = init_24_arg_1 [L146] SORT_1 init_27_arg_1 = var_25; [L147] state_26 = init_27_arg_1 [L148] SORT_1 init_29_arg_1 = var_25; [L149] state_28 = init_29_arg_1 [L150] SORT_1 init_31_arg_1 = var_25; [L151] state_30 = init_31_arg_1 [L152] SORT_1 init_33_arg_1 = var_25; [L153] state_32 = init_33_arg_1 [L154] SORT_1 init_35_arg_1 = var_25; [L155] state_34 = init_35_arg_1 [L156] SORT_1 init_37_arg_1 = var_25; [L157] state_36 = init_37_arg_1 [L158] SORT_1 init_39_arg_1 = var_25; [L159] state_38 = init_39_arg_1 [L160] SORT_1 init_41_arg_1 = var_25; [L161] state_40 = init_41_arg_1 [L162] SORT_1 init_43_arg_1 = var_25; [L163] state_42 = init_43_arg_1 [L164] SORT_1 init_45_arg_1 = var_25; [L165] state_44 = init_45_arg_1 [L166] SORT_1 init_47_arg_1 = var_25; [L167] state_46 = init_47_arg_1 [L168] SORT_1 init_49_arg_1 = var_25; [L169] state_48 = init_49_arg_1 [L170] SORT_1 init_51_arg_1 = var_25; [L171] state_50 = init_51_arg_1 [L172] SORT_1 init_53_arg_1 = var_25; [L173] state_52 = init_53_arg_1 [L174] SORT_1 init_55_arg_1 = var_25; [L175] state_54 = init_55_arg_1 [L176] SORT_1 init_57_arg_1 = var_25; [L177] state_56 = init_57_arg_1 [L178] SORT_1 init_59_arg_1 = var_25; [L179] state_58 = init_59_arg_1 [L180] SORT_1 init_61_arg_1 = var_25; [L181] state_60 = init_61_arg_1 [L182] SORT_1 init_63_arg_1 = var_25; [L183] state_62 = init_63_arg_1 [L184] SORT_1 init_65_arg_1 = var_25; [L185] state_64 = init_65_arg_1 [L186] SORT_1 init_67_arg_1 = var_25; [L187] state_66 = init_67_arg_1 [L188] SORT_1 init_69_arg_1 = var_25; [L189] state_68 = init_69_arg_1 [L190] SORT_1 init_71_arg_1 = var_25; [L191] state_70 = init_71_arg_1 [L192] SORT_1 init_73_arg_1 = var_25; [L193] state_72 = init_73_arg_1 [L194] SORT_1 init_75_arg_1 = var_25; [L195] state_74 = init_75_arg_1 [L196] SORT_1 init_77_arg_1 = var_25; [L197] state_76 = init_77_arg_1 [L198] SORT_1 init_79_arg_1 = var_25; [L199] state_78 = init_79_arg_1 [L200] SORT_1 init_81_arg_1 = var_25; [L201] state_80 = init_81_arg_1 [L202] SORT_1 init_83_arg_1 = var_25; [L203] state_82 = init_83_arg_1 [L204] SORT_1 init_85_arg_1 = var_25; [L205] state_84 = init_85_arg_1 [L206] SORT_1 init_87_arg_1 = var_25; [L207] state_86 = init_87_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L210] input_99 = __VERIFIER_nondet_uchar() [L211] input_104 = __VERIFIER_nondet_uchar() [L212] input_108 = __VERIFIER_nondet_uchar() [L213] input_111 = __VERIFIER_nondet_uchar() [L214] EXPR input_111 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L214] input_111 = input_111 & mask_SORT_1 [L215] input_123 = __VERIFIER_nondet_uchar() [L216] EXPR input_123 & mask_SORT_1 VAL [input_111=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L216] input_123 = input_123 & mask_SORT_1 [L217] input_135 = __VERIFIER_nondet_uchar() [L218] EXPR input_135 & mask_SORT_1 VAL [input_111=0, input_123=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L218] input_135 = input_135 & mask_SORT_1 [L219] input_147 = __VERIFIER_nondet_uchar() [L220] EXPR input_147 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L220] input_147 = input_147 & mask_SORT_1 [L221] input_148 = __VERIFIER_nondet_uchar() [L222] EXPR input_148 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L222] input_148 = input_148 & mask_SORT_1 [L223] input_152 = __VERIFIER_nondet_uchar() [L224] EXPR input_152 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L224] input_152 = input_152 & mask_SORT_1 [L225] input_153 = __VERIFIER_nondet_uchar() [L226] EXPR input_153 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L226] input_153 = input_153 & mask_SORT_1 [L227] input_157 = __VERIFIER_nondet_uchar() [L228] EXPR input_157 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L228] input_157 = input_157 & mask_SORT_1 [L229] input_158 = __VERIFIER_nondet_uchar() [L230] EXPR input_158 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L230] input_158 = input_158 & mask_SORT_1 [L231] input_162 = __VERIFIER_nondet_uchar() [L232] EXPR input_162 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L232] input_162 = input_162 & mask_SORT_1 [L233] input_163 = __VERIFIER_nondet_uchar() [L234] EXPR input_163 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L234] input_163 = input_163 & mask_SORT_1 [L235] input_164 = __VERIFIER_nondet_uchar() [L236] EXPR input_164 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L236] input_164 = input_164 & mask_SORT_1 [L237] input_165 = __VERIFIER_nondet_uchar() [L238] EXPR input_165 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L238] input_165 = input_165 & mask_SORT_1 [L239] input_166 = __VERIFIER_nondet_uchar() [L240] EXPR input_166 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L240] input_166 = input_166 & mask_SORT_1 [L241] input_167 = __VERIFIER_nondet_uchar() [L242] EXPR input_167 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L242] input_167 = input_167 & mask_SORT_1 [L243] input_191 = __VERIFIER_nondet_uchar() [L244] input_193 = __VERIFIER_nondet_uchar() [L245] input_203 = __VERIFIER_nondet_uchar() [L246] input_208 = __VERIFIER_nondet_uchar() [L247] input_210 = __VERIFIER_nondet_uchar() [L248] input_215 = __VERIFIER_nondet_uchar() [L249] input_219 = __VERIFIER_nondet_uchar() [L250] input_234 = __VERIFIER_nondet_uchar() [L251] input_236 = __VERIFIER_nondet_uchar() [L252] input_246 = __VERIFIER_nondet_uchar() [L253] input_251 = __VERIFIER_nondet_uchar() [L254] input_253 = __VERIFIER_nondet_uchar() [L255] input_258 = __VERIFIER_nondet_uchar() [L256] input_262 = __VERIFIER_nondet_uchar() [L257] input_277 = __VERIFIER_nondet_uchar() [L258] input_279 = __VERIFIER_nondet_uchar() [L259] input_289 = __VERIFIER_nondet_uchar() [L260] input_294 = __VERIFIER_nondet_uchar() [L261] input_296 = __VERIFIER_nondet_uchar() [L262] input_301 = __VERIFIER_nondet_uchar() [L263] input_305 = __VERIFIER_nondet_uchar() [L266] SORT_1 var_90_arg_0 = state_38; [L267] SORT_3 var_90_arg_1 = var_88; [L268] SORT_3 var_90_arg_2 = var_89; [L269] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L270] SORT_1 var_91_arg_0 = state_58; [L271] SORT_3 var_91_arg_1 = var_88; [L272] SORT_3 var_91_arg_2 = var_89; [L273] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L274] SORT_3 var_92_arg_0 = var_90; [L275] SORT_3 var_92_arg_1 = var_91; [L276] SORT_3 var_92 = var_92_arg_0 + var_92_arg_1; [L277] SORT_1 var_93_arg_0 = state_78; [L278] SORT_3 var_93_arg_1 = var_88; [L279] SORT_3 var_93_arg_2 = var_89; [L280] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L281] SORT_3 var_94_arg_0 = var_92; [L282] SORT_3 var_94_arg_1 = var_93; [L283] SORT_3 var_94 = var_94_arg_0 + var_94_arg_1; VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_94=0, var_98=255] [L284] EXPR var_94 & mask_SORT_3 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L284] var_94 = var_94 & mask_SORT_3 [L285] SORT_3 var_95_arg_0 = var_94; [L286] SORT_3 var_95_arg_1 = var_88; [L287] SORT_1 var_95 = var_95_arg_0 <= var_95_arg_1; [L288] SORT_1 var_96_arg_0 = ~state_86; VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_96_arg_0=-1, var_98=255] [L289] EXPR var_96_arg_0 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_98=255] [L289] var_96_arg_0 = var_96_arg_0 & mask_SORT_1 [L290] SORT_1 var_96_arg_1 = ~var_95; VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_96_arg_1=-2, var_98=255] [L291] EXPR var_96_arg_1 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_98=255] [L291] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 [L292] EXPR var_96_arg_0 & var_96_arg_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L292] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L293] EXPR var_96 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_147=0, input_148=0, input_152=0, input_153=0, input_157=0, input_158=0, input_162=0, input_163=0, input_164=0, input_165=0, input_166=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L293] var_96 = var_96 & mask_SORT_1 [L294] SORT_1 bad_97_arg_0 = var_96; [L295] CALL __VERIFIER_assert(!(bad_97_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2726 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7934 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7934 mSDsluCounter, 74501 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51743 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6947 IncrementalHoareTripleChecker+Invalid, 6949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 22758 mSDtfsCounter, 6947 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2813occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 2490 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 771 ConstructedInterpolants, 0 QuantifiedInterpolants, 2233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-11-27 20:22:21,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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 3c22b85d347581119638421811f37a37cce681028ee2583c8ff4c6119cb50fe4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:22:24,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:22:24,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-27 20:22:24,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:22:24,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:22:24,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:22:24,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:22:24,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:22:24,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:22:24,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:22:24,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:22:24,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:22:24,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:22:24,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:22:24,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:22:24,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:22:24,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:22:24,679 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:24,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:22:24,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:24,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:22:24,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:22:24,680 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/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 -> 3c22b85d347581119638421811f37a37cce681028ee2583c8ff4c6119cb50fe4 [2024-11-27 20:22:25,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:22:25,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:22:25,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:22:25,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:22:25,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:22:25,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:22:28,127 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/9b7cd8378/f03994da57f14ef6868990561b3d190f/FLAG7108c714a [2024-11-27 20:22:28,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:22:28,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:22:28,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/9b7cd8378/f03994da57f14ef6868990561b3d190f/FLAG7108c714a [2024-11-27 20:22:28,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/data/9b7cd8378/f03994da57f14ef6868990561b3d190f [2024-11-27 20:22:28,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:22:28,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:22:28,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:28,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:22:28,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:22:28,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:28" (1/1) ... [2024-11-27 20:22:28,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2e76a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:28, skipping insertion in model container [2024-11-27 20:22:28,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:28" (1/1) ... [2024-11-27 20:22:28,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:22:29,073 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c[1170,1183] [2024-11-27 20:22:29,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:29,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:22:29,517 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_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-func-interl.c[1170,1183] [2024-11-27 20:22:29,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:29,734 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:22:29,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29 WrapperNode [2024-11-27 20:22:29,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:29,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:29,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:22:29,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:22:29,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:29,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:29,942 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2267 [2024-11-27 20:22:29,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:29,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:22:29,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:22:29,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:22:29,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:29,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:29,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,022 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:22:30,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:22:30,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:22:30,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:22:30,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:22:30,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (1/1) ... [2024-11-27 20:22:30,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:30,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:22:30,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:22:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:22:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:22:30,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:22:30,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:22:30,804 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:22:30,807 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:22:33,919 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-27 20:22:33,919 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:22:33,930 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:22:33,930 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:22:33,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:33 BoogieIcfgContainer [2024-11-27 20:22:33,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:22:33,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:22:33,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:22:33,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:22:33,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:22:28" (1/3) ... [2024-11-27 20:22:33,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d948ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:33, skipping insertion in model container [2024-11-27 20:22:33,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:29" (2/3) ... [2024-11-27 20:22:33,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d948ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:33, skipping insertion in model container [2024-11-27 20:22:33,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:33" (3/3) ... [2024-11-27 20:22:33,946 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.2.prop1-func-interl.c [2024-11-27 20:22:33,966 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:22:33,970 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.2.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:22:34,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:22:34,057 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;@2f8d16e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:22:34,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:22:34,062 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) [2024-11-27 20:22:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 20:22:34,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:34,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 20:22:34,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:34,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-27 20:22:34,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:22:34,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887631169] [2024-11-27 20:22:34,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:34,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:34,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:34,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:22:34,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:22:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:34,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 20:22:34,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:22:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:35,205 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:22:35,206 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:22:35,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887631169] [2024-11-27 20:22:35,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887631169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:35,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:35,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:35,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590064104] [2024-11-27 20:22:35,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:35,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:35,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:22:35,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:35,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:35,242 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) [2024-11-27 20:22:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:35,470 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-27 20:22:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:35,472 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 [2024-11-27 20:22:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:35,479 INFO L225 Difference]: With dead ends: 18 [2024-11-27 20:22:35,479 INFO L226 Difference]: Without dead ends: 10 [2024-11-27 20:22:35,482 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 [2024-11-27 20:22:35,485 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 [2024-11-27 20:22:35,490 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] [2024-11-27 20:22:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-27 20:22:35,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-27 20:22:35,516 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) [2024-11-27 20:22:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-27 20:22:35,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-27 20:22:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:35,523 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-27 20:22:35,523 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) [2024-11-27 20:22:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-27 20:22:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-27 20:22:35,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:35,525 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:35,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:22:35,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:35,730 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:35,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-27 20:22:35,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:22:35,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218896589] [2024-11-27 20:22:35,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:35,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:22:35,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c77d2f-3a06-4f7a-a8a8-be7f763136ef/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:22:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:36,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-27 20:22:36,612 INFO L279 TraceCheckSpWp]: Computing forward predicates...