./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC --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 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:55:12,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:55:12,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:55:12,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:55:12,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:55:12,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:55:12,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:55:12,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:55:12,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:55:12,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:55:12,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:55:12,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:55:12,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:55:12,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:55:12,853 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:55:12,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:55:12,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:55:12,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:55:12,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:55:12,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:55:12,855 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:55:12,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:12,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:12,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:12,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:55:12,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:55:12,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:55:12,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:55:12,859 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_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC 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 -> 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 [2024-11-24 00:55:13,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:55:13,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:55:13,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:55:13,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:55:13,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:55:13,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-11-24 00:55:16,297 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/data/6f1e37c7a/2f7269e29717486e8cda11b60ca35ab5/FLAG16edb096c [2024-11-24 00:55:16,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:55:16,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-11-24 00:55:16,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/data/6f1e37c7a/2f7269e29717486e8cda11b60ca35ab5/FLAG16edb096c [2024-11-24 00:55:16,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/data/6f1e37c7a/2f7269e29717486e8cda11b60ca35ab5 [2024-11-24 00:55:16,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:55:16,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:55:16,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:55:16,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:55:16,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:55:16,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:55:16" (1/1) ... [2024-11-24 00:55:16,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b1940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:16, skipping insertion in model container [2024-11-24 00:55:16,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:55:16" (1/1) ... [2024-11-24 00:55:16,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:55:17,050 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_62aed71e-f925-4dba-b21f-efaf6c9e807e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2024-11-24 00:55:17,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:55:17,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:55:17,512 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_62aed71e-f925-4dba-b21f-efaf6c9e807e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2024-11-24 00:55:17,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:55:17,840 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:55:17,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17 WrapperNode [2024-11-24 00:55:17,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:55:17,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:55:17,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:55:17,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:55:17,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:17,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,331 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3436 [2024-11-24 00:55:18,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:55:18,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:55:18,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:55:18,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:55:18,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,620 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]. [2024-11-24 00:55:18,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:55:18,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:55:18,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:55:18,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:55:18,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (1/1) ... [2024-11-24 00:55:18,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:55:18,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:55:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:55:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:55:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:55:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:55:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:55:19,540 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:55:19,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:55:24,148 INFO L? ?]: Removed 2169 outVars from TransFormulas that were not future-live. [2024-11-24 00:55:24,148 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:55:24,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:55:24,191 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:55:24,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:24 BoogieIcfgContainer [2024-11-24 00:55:24,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:55:24,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:55:24,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:55:24,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:55:24,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:55:16" (1/3) ... [2024-11-24 00:55:24,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3beb5e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:55:24, skipping insertion in model container [2024-11-24 00:55:24,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:17" (2/3) ... [2024-11-24 00:55:24,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3beb5e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:55:24, skipping insertion in model container [2024-11-24 00:55:24,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:24" (3/3) ... [2024-11-24 00:55:24,211 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2024-11-24 00:55:24,234 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:55:24,235 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c that has 1 procedures, 822 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:55:24,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:55:24,367 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;@77e8159e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:55:24,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:55:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 822 states, 820 states have (on average 1.498780487804878) internal successors, (1229), 821 states have internal predecessors, (1229), 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) [2024-11-24 00:55:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 00:55:24,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:24,389 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] [2024-11-24 00:55:24,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:24,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1853971888, now seen corresponding path program 1 times [2024-11-24 00:55:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:24,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204651391] [2024-11-24 00:55:24,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:25,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:25,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204651391] [2024-11-24 00:55:25,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204651391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:25,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:25,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:55:25,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500066607] [2024-11-24 00:55:25,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:25,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:55:25,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:25,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:55:25,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:55:25,815 INFO L87 Difference]: Start difference. First operand has 822 states, 820 states have (on average 1.498780487804878) internal successors, (1229), 821 states have internal predecessors, (1229), 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 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-24 00:55:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:25,985 INFO L93 Difference]: Finished difference Result 1573 states and 2355 transitions. [2024-11-24 00:55:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:55:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 63 [2024-11-24 00:55:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:26,007 INFO L225 Difference]: With dead ends: 1573 [2024-11-24 00:55:26,007 INFO L226 Difference]: Without dead ends: 821 [2024-11-24 00:55:26,012 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 [2024-11-24 00:55:26,016 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:26,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3663 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:55:26,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-24 00:55:26,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2024-11-24 00:55:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 820 states have (on average 1.4963414634146341) internal successors, (1227), 820 states have internal predecessors, (1227), 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) [2024-11-24 00:55:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1227 transitions. [2024-11-24 00:55:26,129 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1227 transitions. Word has length 63 [2024-11-24 00:55:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:26,129 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1227 transitions. [2024-11-24 00:55:26,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-24 00:55:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1227 transitions. [2024-11-24 00:55:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 00:55:26,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:26,132 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] [2024-11-24 00:55:26,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:55:26,133 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:26,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1640249210, now seen corresponding path program 1 times [2024-11-24 00:55:26,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:26,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623750268] [2024-11-24 00:55:26,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:26,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:26,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:26,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623750268] [2024-11-24 00:55:26,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623750268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:26,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:26,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:55:26,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383452146] [2024-11-24 00:55:26,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:26,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:55:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:26,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:55:26,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:55:26,627 INFO L87 Difference]: Start difference. First operand 821 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-24 00:55:26,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:26,706 INFO L93 Difference]: Finished difference Result 1574 states and 2353 transitions. [2024-11-24 00:55:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:55:26,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-24 00:55:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:26,712 INFO L225 Difference]: With dead ends: 1574 [2024-11-24 00:55:26,712 INFO L226 Difference]: Without dead ends: 823 [2024-11-24 00:55:26,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:55:26,716 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:26,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3659 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:55:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-24 00:55:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2024-11-24 00:55:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 822 states have (on average 1.4951338199513382) internal successors, (1229), 822 states have internal predecessors, (1229), 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) [2024-11-24 00:55:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1229 transitions. [2024-11-24 00:55:26,758 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1229 transitions. Word has length 64 [2024-11-24 00:55:26,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:26,758 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1229 transitions. [2024-11-24 00:55:26,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-24 00:55:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1229 transitions. [2024-11-24 00:55:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-24 00:55:26,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:26,762 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] [2024-11-24 00:55:26,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:55:26,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:26,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:26,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1789847607, now seen corresponding path program 1 times [2024-11-24 00:55:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:26,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837904771] [2024-11-24 00:55:26,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:27,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:27,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837904771] [2024-11-24 00:55:27,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837904771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:27,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:27,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:55:27,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627670488] [2024-11-24 00:55:27,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:27,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:55:27,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:27,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:55:27,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:55:27,421 INFO L87 Difference]: Start difference. First operand 823 states and 1229 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-24 00:55:27,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:27,491 INFO L93 Difference]: Finished difference Result 1578 states and 2357 transitions. [2024-11-24 00:55:27,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:55:27,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2024-11-24 00:55:27,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:27,498 INFO L225 Difference]: With dead ends: 1578 [2024-11-24 00:55:27,501 INFO L226 Difference]: Without dead ends: 825 [2024-11-24 00:55:27,502 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 [2024-11-24 00:55:27,502 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:27,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3659 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:55:27,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-24 00:55:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 825. [2024-11-24 00:55:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 824 states have (on average 1.4939320388349515) internal successors, (1231), 824 states have internal predecessors, (1231), 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) [2024-11-24 00:55:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1231 transitions. [2024-11-24 00:55:27,533 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1231 transitions. Word has length 65 [2024-11-24 00:55:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:27,534 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1231 transitions. [2024-11-24 00:55:27,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-24 00:55:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1231 transitions. [2024-11-24 00:55:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 00:55:27,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:27,540 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] [2024-11-24 00:55:27,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:55:27,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:27,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:27,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1258186209, now seen corresponding path program 1 times [2024-11-24 00:55:27,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:27,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808273234] [2024-11-24 00:55:27,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:27,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808273234] [2024-11-24 00:55:27,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808273234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:27,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:27,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:55:27,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397946096] [2024-11-24 00:55:27,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:27,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:55:27,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:27,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:55:27,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:27,889 INFO L87 Difference]: Start difference. First operand 825 states and 1231 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-24 00:55:27,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:27,986 INFO L93 Difference]: Finished difference Result 1586 states and 2367 transitions. [2024-11-24 00:55:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:55:27,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2024-11-24 00:55:27,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:27,990 INFO L225 Difference]: With dead ends: 1586 [2024-11-24 00:55:27,991 INFO L226 Difference]: Without dead ends: 831 [2024-11-24 00:55:27,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:27,996 INFO L435 NwaCegarLoop]: 1222 mSDtfsCounter, 4 mSDsluCounter, 3654 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4876 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:27,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4876 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:55:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-24 00:55:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2024-11-24 00:55:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 830 states have (on average 1.4927710843373494) internal successors, (1239), 830 states have internal predecessors, (1239), 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) [2024-11-24 00:55:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1239 transitions. [2024-11-24 00:55:28,027 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1239 transitions. Word has length 66 [2024-11-24 00:55:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:28,027 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1239 transitions. [2024-11-24 00:55:28,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-24 00:55:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1239 transitions. [2024-11-24 00:55:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 00:55:28,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:28,030 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] [2024-11-24 00:55:28,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:55:28,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:28,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:28,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1194208443, now seen corresponding path program 1 times [2024-11-24 00:55:28,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:28,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753925798] [2024-11-24 00:55:28,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:28,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:28,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753925798] [2024-11-24 00:55:28,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753925798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:28,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:28,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:55:28,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85519723] [2024-11-24 00:55:28,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:28,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:55:28,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:28,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:55:28,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:55:28,531 INFO L87 Difference]: Start difference. First operand 831 states and 1239 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-24 00:55:28,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:28,700 INFO L93 Difference]: Finished difference Result 1598 states and 2383 transitions. [2024-11-24 00:55:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:55:28,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 67 [2024-11-24 00:55:28,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:28,704 INFO L225 Difference]: With dead ends: 1598 [2024-11-24 00:55:28,705 INFO L226 Difference]: Without dead ends: 837 [2024-11-24 00:55:28,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:55:28,708 INFO L435 NwaCegarLoop]: 1219 mSDtfsCounter, 8 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8510 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:28,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8510 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:55:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-24 00:55:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2024-11-24 00:55:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 836 states have (on average 1.4916267942583732) internal successors, (1247), 836 states have internal predecessors, (1247), 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) [2024-11-24 00:55:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1247 transitions. [2024-11-24 00:55:28,731 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1247 transitions. Word has length 67 [2024-11-24 00:55:28,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:28,732 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1247 transitions. [2024-11-24 00:55:28,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2024-11-24 00:55:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1247 transitions. [2024-11-24 00:55:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-24 00:55:28,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:28,734 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] [2024-11-24 00:55:28,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:55:28,735 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:28,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:28,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1378047599, now seen corresponding path program 1 times [2024-11-24 00:55:28,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:28,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013063524] [2024-11-24 00:55:28,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:28,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:29,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013063524] [2024-11-24 00:55:29,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013063524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:29,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:29,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:55:29,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221899835] [2024-11-24 00:55:29,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:29,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:55:29,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:29,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:55:29,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:29,074 INFO L87 Difference]: Start difference. First operand 837 states and 1247 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-24 00:55:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:29,152 INFO L93 Difference]: Finished difference Result 1610 states and 2399 transitions. [2024-11-24 00:55:29,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:55:29,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 68 [2024-11-24 00:55:29,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:29,157 INFO L225 Difference]: With dead ends: 1610 [2024-11-24 00:55:29,158 INFO L226 Difference]: Without dead ends: 843 [2024-11-24 00:55:29,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:29,159 INFO L435 NwaCegarLoop]: 1222 mSDtfsCounter, 4 mSDsluCounter, 3654 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4876 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:29,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4876 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:55:29,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-24 00:55:29,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2024-11-24 00:55:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 842 states have (on average 1.490498812351544) internal successors, (1255), 842 states have internal predecessors, (1255), 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) [2024-11-24 00:55:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1255 transitions. [2024-11-24 00:55:29,184 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1255 transitions. Word has length 68 [2024-11-24 00:55:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:29,184 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1255 transitions. [2024-11-24 00:55:29,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-24 00:55:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1255 transitions. [2024-11-24 00:55:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-24 00:55:29,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:29,185 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] [2024-11-24 00:55:29,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:55:29,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:29,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:29,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1527148205, now seen corresponding path program 1 times [2024-11-24 00:55:29,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:29,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161139250] [2024-11-24 00:55:29,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:29,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:55:29,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:29,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161139250] [2024-11-24 00:55:29,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161139250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:29,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:29,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:55:29,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831713092] [2024-11-24 00:55:29,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:29,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:55:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:29,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:55:29,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:55:29,805 INFO L87 Difference]: Start difference. First operand 843 states and 1255 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-11-24 00:55:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:29,984 INFO L93 Difference]: Finished difference Result 1748 states and 2597 transitions. [2024-11-24 00:55:29,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:55:29,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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 69 [2024-11-24 00:55:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:29,988 INFO L225 Difference]: With dead ends: 1748 [2024-11-24 00:55:29,988 INFO L226 Difference]: Without dead ends: 975 [2024-11-24 00:55:29,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:55:29,990 INFO L435 NwaCegarLoop]: 1217 mSDtfsCounter, 1531 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 6072 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:29,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 6072 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:55:29,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-11-24 00:55:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 922. [2024-11-24 00:55:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 921 states have (on average 1.489685124864278) internal successors, (1372), 921 states have internal predecessors, (1372), 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) [2024-11-24 00:55:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1372 transitions. [2024-11-24 00:55:30,014 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1372 transitions. Word has length 69 [2024-11-24 00:55:30,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:30,015 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1372 transitions. [2024-11-24 00:55:30,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-11-24 00:55:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1372 transitions. [2024-11-24 00:55:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 00:55:30,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:30,016 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] [2024-11-24 00:55:30,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:55:30,016 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:30,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:30,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1088567537, now seen corresponding path program 1 times [2024-11-24 00:55:30,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:30,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219510947] [2024-11-24 00:55:30,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:30,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:30,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:30,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:55:30,241 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:55:30,242 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:55:30,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:55:30,247 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:55:30,307 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:55:30,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:55:30 BoogieIcfgContainer [2024-11-24 00:55:30,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:55:30,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:55:30,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:55:30,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:55:30,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:24" (3/4) ... [2024-11-24 00:55:30,313 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 00:55:30,444 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-24 00:55:30,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:55:30,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:55:30,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:55:30,492 INFO L158 Benchmark]: Toolchain (without parser) took 13726.40ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 90.1MB in the beginning and 187.5MB in the end (delta: -97.5MB). Peak memory consumption was 425.0MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,493 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:30,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.92ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 72.8MB in the end (delta: 17.0MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 488.56ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 72.8MB in the beginning and 235.3MB in the end (delta: -162.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,495 INFO L158 Benchmark]: Boogie Preprocessor took 585.19ms. Allocated memory was 327.2MB in the beginning and 285.2MB in the end (delta: -41.9MB). Free memory was 235.2MB in the beginning and 181.3MB in the end (delta: 53.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,496 INFO L158 Benchmark]: RCFGBuilder took 5271.98ms. Allocated memory was 285.2MB in the beginning and 637.5MB in the end (delta: 352.3MB). Free memory was 181.3MB in the beginning and 419.3MB in the end (delta: -238.0MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,497 INFO L158 Benchmark]: TraceAbstraction took 6113.02ms. Allocated memory is still 637.5MB. Free memory was 419.3MB in the beginning and 200.1MB in the end (delta: 219.1MB). Peak memory consumption was 216.2MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,497 INFO L158 Benchmark]: Witness Printer took 180.33ms. Allocated memory is still 637.5MB. Free memory was 200.1MB in the beginning and 187.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:55:30,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.92ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 72.8MB in the end (delta: 17.0MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 488.56ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 72.8MB in the beginning and 235.3MB in the end (delta: -162.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 585.19ms. Allocated memory was 327.2MB in the beginning and 285.2MB in the end (delta: -41.9MB). Free memory was 235.2MB in the beginning and 181.3MB in the end (delta: 53.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5271.98ms. Allocated memory was 285.2MB in the beginning and 637.5MB in the end (delta: 352.3MB). Free memory was 181.3MB in the beginning and 419.3MB in the end (delta: -238.0MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6113.02ms. Allocated memory is still 637.5MB. Free memory was 419.3MB in the beginning and 200.1MB in the end (delta: 219.1MB). Peak memory consumption was 216.2MB. Max. memory is 16.1GB. * Witness Printer took 180.33ms. Allocated memory is still 637.5MB. Free memory was 200.1MB in the beginning and 187.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L35] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L36] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L38] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L39] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L41] const SORT_10 var_12 = 15; [L42] const SORT_1 var_16 = 1; [L43] const SORT_3 var_22 = 0; [L44] const SORT_1 var_25 = 0; [L45] const SORT_66 var_68 = 1; [L46] const SORT_3 var_106 = 3; [L47] const SORT_66 var_115 = 2; [L48] const SORT_66 var_122 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_90; [L58] SORT_3 input_105; [L59] SORT_3 input_127; [L60] SORT_3 input_128; [L61] SORT_3 input_129; [L62] SORT_3 input_137; [L63] SORT_3 input_139; [L64] SORT_3 input_141; [L65] SORT_3 input_167; [L66] SORT_3 input_168; [L67] SORT_3 input_176; [L68] SORT_3 input_178; [L69] SORT_3 input_180; [L70] SORT_3 input_182; [L71] SORT_3 input_236; [L72] SORT_3 input_245; [L73] SORT_3 input_246; [L74] SORT_3 input_247; [L75] SORT_3 input_248; [L76] SORT_3 input_273; [L77] SORT_3 input_274; [L78] SORT_3 input_275; [L79] SORT_3 input_284; [L80] SORT_3 input_330; [L81] SORT_3 input_340; [L82] SORT_3 input_341; [L83] SORT_3 input_342; [L84] SORT_3 input_343; [L85] SORT_3 input_352; [L86] SORT_3 input_371; [L87] SORT_3 input_372; [L88] SORT_3 input_373; [L89] SORT_3 input_382; [L90] SORT_3 input_384; [L91] SORT_3 input_430; [L92] SORT_3 input_441; [L93] SORT_3 input_442; [L94] SORT_3 input_443; [L95] SORT_3 input_444; [L96] SORT_3 input_453; [L97] SORT_3 input_455; [L98] SORT_3 input_475; [L99] SORT_3 input_476; [L100] SORT_3 input_477; [L101] SORT_3 input_486; [L102] SORT_3 input_488; [L103] SORT_3 input_490; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L105] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L106] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L107] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L108] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L109] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L110] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L111] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L112] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L113] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L114] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L115] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L116] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L117] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L119] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L120] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L121] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] input_2 = __VERIFIER_nondet_uchar() [L126] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L126] input_2 = input_2 & mask_SORT_1 [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_5 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_uchar() [L130] input_7 = __VERIFIER_nondet_uchar() [L131] input_8 = __VERIFIER_nondet_uchar() [L132] input_9 = __VERIFIER_nondet_uchar() [L133] EXPR input_9 & mask_SORT_1 VAL [input_2=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L133] input_9 = input_9 & mask_SORT_1 [L134] input_90 = __VERIFIER_nondet_uchar() [L135] input_105 = __VERIFIER_nondet_uchar() [L136] input_127 = __VERIFIER_nondet_uchar() [L137] input_128 = __VERIFIER_nondet_uchar() [L138] input_129 = __VERIFIER_nondet_uchar() [L139] input_137 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_167 = __VERIFIER_nondet_uchar() [L143] input_168 = __VERIFIER_nondet_uchar() [L144] input_176 = __VERIFIER_nondet_uchar() [L145] input_178 = __VERIFIER_nondet_uchar() [L146] input_180 = __VERIFIER_nondet_uchar() [L147] input_182 = __VERIFIER_nondet_uchar() [L148] input_236 = __VERIFIER_nondet_uchar() [L149] input_245 = __VERIFIER_nondet_uchar() [L150] input_246 = __VERIFIER_nondet_uchar() [L151] input_247 = __VERIFIER_nondet_uchar() [L152] input_248 = __VERIFIER_nondet_uchar() [L153] input_273 = __VERIFIER_nondet_uchar() [L154] input_274 = __VERIFIER_nondet_uchar() [L155] input_275 = __VERIFIER_nondet_uchar() [L156] input_284 = __VERIFIER_nondet_uchar() [L157] input_330 = __VERIFIER_nondet_uchar() [L158] input_340 = __VERIFIER_nondet_uchar() [L159] input_341 = __VERIFIER_nondet_uchar() [L160] input_342 = __VERIFIER_nondet_uchar() [L161] input_343 = __VERIFIER_nondet_uchar() [L162] input_352 = __VERIFIER_nondet_uchar() [L163] input_371 = __VERIFIER_nondet_uchar() [L164] input_372 = __VERIFIER_nondet_uchar() [L165] input_373 = __VERIFIER_nondet_uchar() [L166] input_382 = __VERIFIER_nondet_uchar() [L167] input_384 = __VERIFIER_nondet_uchar() [L168] input_430 = __VERIFIER_nondet_uchar() [L169] input_441 = __VERIFIER_nondet_uchar() [L170] input_442 = __VERIFIER_nondet_uchar() [L171] input_443 = __VERIFIER_nondet_uchar() [L172] input_444 = __VERIFIER_nondet_uchar() [L173] input_453 = __VERIFIER_nondet_uchar() [L174] input_455 = __VERIFIER_nondet_uchar() [L175] input_475 = __VERIFIER_nondet_uchar() [L176] input_476 = __VERIFIER_nondet_uchar() [L177] input_477 = __VERIFIER_nondet_uchar() [L178] input_486 = __VERIFIER_nondet_uchar() [L179] input_488 = __VERIFIER_nondet_uchar() [L180] input_490 = __VERIFIER_nondet_uchar() [L183] SORT_10 var_13_arg_0 = state_11; [L184] SORT_10 var_13_arg_1 = var_12; [L185] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L186] SORT_1 var_20_arg_0 = var_16; [L187] SORT_3 var_20_arg_1 = state_19; [L188] SORT_3 var_20_arg_2 = state_18; [L189] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L190] SORT_1 var_17_arg_0 = var_16; [L191] SORT_3 var_17_arg_1 = state_15; [L192] SORT_3 var_17_arg_2 = state_14; [L193] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L194] SORT_1 var_21_arg_0 = var_16; [L195] SORT_3 var_21_arg_1 = var_20; [L196] SORT_3 var_21_arg_2 = var_17; [L197] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_13=1, var_16=1, var_21=0, var_22=0, var_25=0, var_68=1] [L198] EXPR var_21 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_13=1, var_16=1, var_22=0, var_25=0, var_68=1] [L198] var_21 = var_21 & mask_SORT_3 [L199] SORT_3 var_23_arg_0 = var_21; [L200] SORT_3 var_23_arg_1 = var_22; [L201] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L202] SORT_1 var_24_arg_0 = var_13; [L203] SORT_1 var_24_arg_1 = var_23; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24_arg_0=1, var_24_arg_1=1, var_25=0, var_68=1] [L204] EXPR var_24_arg_0 & var_24_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L204] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L205] SORT_1 var_27_arg_0 = var_25; [L206] SORT_3 var_27_arg_1 = state_19; [L207] SORT_3 var_27_arg_2 = state_18; [L208] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L209] SORT_1 var_26_arg_0 = var_25; [L210] SORT_3 var_26_arg_1 = state_15; [L211] SORT_3 var_26_arg_2 = state_14; [L212] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L213] SORT_1 var_28_arg_0 = var_16; [L214] SORT_3 var_28_arg_1 = var_27; [L215] SORT_3 var_28_arg_2 = var_26; [L216] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24=1, var_25=0, var_28=0, var_68=1] [L217] EXPR var_28 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_24=1, var_25=0, var_68=1] [L217] var_28 = var_28 & mask_SORT_3 [L218] SORT_3 var_29_arg_0 = var_28; [L219] SORT_3 var_29_arg_1 = var_22; [L220] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L221] SORT_1 var_30_arg_0 = var_24; [L222] SORT_1 var_30_arg_1 = var_29; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30_arg_0=1, var_30_arg_1=1, var_68=1] [L223] EXPR var_30_arg_0 & var_30_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L223] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L224] SORT_1 var_32_arg_0 = var_16; [L225] SORT_3 var_32_arg_1 = state_19; [L226] SORT_3 var_32_arg_2 = state_18; [L227] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L228] SORT_1 var_31_arg_0 = var_16; [L229] SORT_3 var_31_arg_1 = state_15; [L230] SORT_3 var_31_arg_2 = state_14; [L231] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L232] SORT_1 var_33_arg_0 = var_25; [L233] SORT_3 var_33_arg_1 = var_32; [L234] SORT_3 var_33_arg_2 = var_31; [L235] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30=1, var_33=0, var_68=1] [L236] EXPR var_33 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_30=1, var_68=1] [L236] var_33 = var_33 & mask_SORT_3 [L237] SORT_3 var_34_arg_0 = var_33; [L238] SORT_3 var_34_arg_1 = var_22; [L239] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L240] SORT_1 var_35_arg_0 = var_30; [L241] SORT_1 var_35_arg_1 = var_34; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35_arg_0=1, var_35_arg_1=1, var_68=1] [L242] EXPR var_35_arg_0 & var_35_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L242] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L243] SORT_1 var_37_arg_0 = var_25; [L244] SORT_3 var_37_arg_1 = state_19; [L245] SORT_3 var_37_arg_2 = state_18; [L246] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L247] SORT_1 var_36_arg_0 = var_25; [L248] SORT_3 var_36_arg_1 = state_15; [L249] SORT_3 var_36_arg_2 = state_14; [L250] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L251] SORT_1 var_38_arg_0 = var_25; [L252] SORT_3 var_38_arg_1 = var_37; [L253] SORT_3 var_38_arg_2 = var_36; [L254] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35=1, var_38=0, var_68=1] [L255] EXPR var_38 & mask_SORT_3 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_35=1, var_68=1] [L255] var_38 = var_38 & mask_SORT_3 [L256] SORT_3 var_39_arg_0 = var_38; [L257] SORT_3 var_39_arg_1 = var_22; [L258] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L259] SORT_1 var_40_arg_0 = var_35; [L260] SORT_1 var_40_arg_1 = var_39; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_40_arg_0=1, var_40_arg_1=1, var_68=1] [L261] EXPR var_40_arg_0 & var_40_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L261] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L262] SORT_1 var_41_arg_0 = var_40; [L263] SORT_1 var_41 = ~var_41_arg_0; [L264] SORT_1 var_44_arg_0 = var_41; [L265] SORT_1 var_44 = ~var_44_arg_0; [L266] SORT_1 var_45_arg_0 = var_16; [L267] SORT_1 var_45_arg_1 = var_44; VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_45_arg_0=1, var_45_arg_1=-255, var_68=1] [L268] EXPR var_45_arg_0 & var_45_arg_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L268] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L269] EXPR var_45 & mask_SORT_1 VAL [input_2=0, input_9=0, mask_SORT_100=7, mask_SORT_10=15, mask_SORT_1=1, mask_SORT_3=3, state_11=15, state_14=0, state_15=0, state_18=0, state_19=0, state_48=0, state_49=0, state_50=0, state_51=0, state_52=0, state_53=0, state_54=0, state_55=0, state_56=0, state_57=0, state_58=0, state_59=0, var_106=3, var_115=2, var_122=0, var_12=15, var_16=1, var_22=0, var_25=0, var_68=1] [L269] var_45 = var_45 & mask_SORT_1 [L270] SORT_1 bad_46_arg_0 = var_45; [L271] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 822 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1547 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1547 mSDsluCounter, 35315 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26766 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8549 mSDtfsCounter, 201 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=922occurred in iteration=7, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 53 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 proved your program to be incorrect! [2024-11-24 00:55:30,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62aed71e-f925-4dba-b21f-efaf6c9e807e/bin/uautomizer-verify-LYvppIcaGC/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE