./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:50,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:50,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:06:50,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:50,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:50,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:50,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:50,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:50,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:50,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:50,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:06:50,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:06:50,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:50,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:50,797 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:50,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:50,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:06:50,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:50,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:50,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:50,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:06:50,801 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:06:50,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:06:50,802 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2024-11-28 02:06:51,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:51,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:51,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:51,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:51,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:51,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-11-28 02:06:54,178 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/f5c7d19a8/6ff63a59384646618b8228410cfe3487/FLAG05e5f250c [2024-11-28 02:06:54,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:54,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-11-28 02:06:54,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/f5c7d19a8/6ff63a59384646618b8228410cfe3487/FLAG05e5f250c [2024-11-28 02:06:54,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/f5c7d19a8/6ff63a59384646618b8228410cfe3487 [2024-11-28 02:06:54,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:54,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:54,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:54,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:54,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c93a5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:54,903 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2024-11-28 02:06:55,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:55,436 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2024-11-28 02:06:55,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,651 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:55,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55 WrapperNode [2024-11-28 02:06:55,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:55,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:55,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:55,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,937 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1908 [2024-11-28 02:06:55,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:55,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:55,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,062 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-28 02:06:56,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:56,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:56,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:56,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:56,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:56,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:56,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:56,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:56,819 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:56,822 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:59,338 INFO L? ?]: Removed 1250 outVars from TransFormulas that were not future-live. [2024-11-28 02:06:59,339 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:06:59,360 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:06:59,363 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:06:59,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:59 BoogieIcfgContainer [2024-11-28 02:06:59,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:06:59,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:06:59,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:06:59,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:06:59,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:06:54" (1/3) ... [2024-11-28 02:06:59,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229def2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:59, skipping insertion in model container [2024-11-28 02:06:59,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (2/3) ... [2024-11-28 02:06:59,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229def2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:59, skipping insertion in model container [2024-11-28 02:06:59,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:59" (3/3) ... [2024-11-28 02:06:59,377 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2024-11-28 02:06:59,397 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:06:59,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_b03.c that has 1 procedures, 186 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:06:59,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:06:59,503 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;@21270130, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:06:59,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:06:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 184 states have (on average 1.4945652173913044) internal successors, (275), 185 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 02:06:59,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:06:59,523 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] [2024-11-28 02:06:59,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:06:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,532 INFO L85 PathProgramCache]: Analyzing trace with hash 109545984, now seen corresponding path program 1 times [2024-11-28 02:06:59,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:59,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031033740] [2024-11-28 02:06:59,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:00,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:00,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031033740] [2024-11-28 02:07:00,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031033740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:00,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:00,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:00,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997937008] [2024-11-28 02:07:00,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:00,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:00,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:00,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:00,856 INFO L87 Difference]: Start difference. First operand has 186 states, 184 states have (on average 1.4945652173913044) internal successors, (275), 185 states have internal predecessors, (275), 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 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:00,959 INFO L93 Difference]: Finished difference Result 309 states and 459 transitions. [2024-11-28 02:07:00,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:00,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2024-11-28 02:07:00,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:00,978 INFO L225 Difference]: With dead ends: 309 [2024-11-28 02:07:00,979 INFO L226 Difference]: Without dead ends: 185 [2024-11-28 02:07:00,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:00,989 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 801 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 [2024-11-28 02:07:00,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 801 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:01,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-28 02:07:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-28 02:07:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.483695652173913) internal successors, (273), 184 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 273 transitions. [2024-11-28 02:07:01,060 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 273 transitions. Word has length 57 [2024-11-28 02:07:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:01,061 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 273 transitions. [2024-11-28 02:07:01,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2024-11-28 02:07:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 02:07:01,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:01,063 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] [2024-11-28 02:07:01,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:07:01,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:01,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash -897346301, now seen corresponding path program 1 times [2024-11-28 02:07:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:01,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840469548] [2024-11-28 02:07:01,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:01,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:01,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840469548] [2024-11-28 02:07:01,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840469548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:01,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:01,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:01,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304660175] [2024-11-28 02:07:01,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:01,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:01,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:01,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:01,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:01,583 INFO L87 Difference]: Start difference. First operand 185 states and 273 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:01,669 INFO L93 Difference]: Finished difference Result 310 states and 457 transitions. [2024-11-28 02:07:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:01,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2024-11-28 02:07:01,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:01,672 INFO L225 Difference]: With dead ends: 310 [2024-11-28 02:07:01,672 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 02:07:01,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:01,678 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:01,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 797 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 02:07:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-28 02:07:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.478494623655914) internal successors, (275), 186 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 275 transitions. [2024-11-28 02:07:01,704 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 275 transitions. Word has length 58 [2024-11-28 02:07:01,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:01,707 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 275 transitions. [2024-11-28 02:07:01,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 275 transitions. [2024-11-28 02:07:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 02:07:01,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:01,712 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] [2024-11-28 02:07:01,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:07:01,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:01,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1149070137, now seen corresponding path program 1 times [2024-11-28 02:07:01,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:01,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206921135] [2024-11-28 02:07:01,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:01,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:03,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:03,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206921135] [2024-11-28 02:07:03,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206921135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:03,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:03,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:07:03,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896904768] [2024-11-28 02:07:03,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:03,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:07:03,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:03,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:07:03,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:03,235 INFO L87 Difference]: Start difference. First operand 187 states and 275 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:03,511 INFO L93 Difference]: Finished difference Result 319 states and 469 transitions. [2024-11-28 02:07:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:03,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2024-11-28 02:07:03,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:03,519 INFO L225 Difference]: With dead ends: 319 [2024-11-28 02:07:03,519 INFO L226 Difference]: Without dead ends: 194 [2024-11-28 02:07:03,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:07:03,521 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 233 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:03,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1301 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-28 02:07:03,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 193. [2024-11-28 02:07:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.46875) internal successors, (282), 192 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 282 transitions. [2024-11-28 02:07:03,544 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 282 transitions. Word has length 59 [2024-11-28 02:07:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:03,548 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 282 transitions. [2024-11-28 02:07:03,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 282 transitions. [2024-11-28 02:07:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 02:07:03,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:03,550 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] [2024-11-28 02:07:03,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:07:03,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:03,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1468985978, now seen corresponding path program 1 times [2024-11-28 02:07:03,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:03,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608698334] [2024-11-28 02:07:03,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:05,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:05,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608698334] [2024-11-28 02:07:05,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608698334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:05,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:05,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:07:05,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110152970] [2024-11-28 02:07:05,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:05,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:07:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:05,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:07:05,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:07:05,872 INFO L87 Difference]: Start difference. First operand 193 states and 282 transitions. Second operand has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:06,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:06,710 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2024-11-28 02:07:06,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:07:06,711 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 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 60 [2024-11-28 02:07:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:06,713 INFO L225 Difference]: With dead ends: 354 [2024-11-28 02:07:06,713 INFO L226 Difference]: Without dead ends: 223 [2024-11-28 02:07:06,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:07:06,717 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 303 mSDsluCounter, 3206 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:06,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 3455 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:07:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-28 02:07:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2024-11-28 02:07:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.4722222222222223) internal successors, (318), 216 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 318 transitions. [2024-11-28 02:07:06,736 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 318 transitions. Word has length 60 [2024-11-28 02:07:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:06,736 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 318 transitions. [2024-11-28 02:07:06,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 318 transitions. [2024-11-28 02:07:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 02:07:06,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:06,744 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] [2024-11-28 02:07:06,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:07:06,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:06,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2124644278, now seen corresponding path program 1 times [2024-11-28 02:07:06,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:06,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314082520] [2024-11-28 02:07:06,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:07,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:07,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314082520] [2024-11-28 02:07:07,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314082520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:07,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:07,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:07:07,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043960708] [2024-11-28 02:07:07,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:07,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:07:07,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:07,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:07:07,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:07,547 INFO L87 Difference]: Start difference. First operand 217 states and 318 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:07,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:07,742 INFO L93 Difference]: Finished difference Result 391 states and 571 transitions. [2024-11-28 02:07:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:07:07,743 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 60 [2024-11-28 02:07:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:07,744 INFO L225 Difference]: With dead ends: 391 [2024-11-28 02:07:07,744 INFO L226 Difference]: Without dead ends: 236 [2024-11-28 02:07:07,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:07:07,746 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 243 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:07,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1777 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:07,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-28 02:07:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 231. [2024-11-28 02:07:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.4695652173913043) internal successors, (338), 230 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 338 transitions. [2024-11-28 02:07:07,758 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 338 transitions. Word has length 60 [2024-11-28 02:07:07,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:07,759 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 338 transitions. [2024-11-28 02:07:07,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 338 transitions. [2024-11-28 02:07:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 02:07:07,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:07,761 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] [2024-11-28 02:07:07,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:07:07,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:07,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1979474159, now seen corresponding path program 1 times [2024-11-28 02:07:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:07,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69557646] [2024-11-28 02:07:07,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:07,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:08,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69557646] [2024-11-28 02:07:08,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69557646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:08,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:08,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:08,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766565929] [2024-11-28 02:07:08,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:08,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:08,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:08,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:08,030 INFO L87 Difference]: Start difference. First operand 231 states and 338 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:08,122 INFO L93 Difference]: Finished difference Result 486 states and 705 transitions. [2024-11-28 02:07:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:08,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2024-11-28 02:07:08,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:08,124 INFO L225 Difference]: With dead ends: 486 [2024-11-28 02:07:08,124 INFO L226 Difference]: Without dead ends: 317 [2024-11-28 02:07:08,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:08,125 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 355 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:08,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 780 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:08,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-28 02:07:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 287. [2024-11-28 02:07:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.465034965034965) internal successors, (419), 286 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 419 transitions. [2024-11-28 02:07:08,136 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 419 transitions. Word has length 60 [2024-11-28 02:07:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:08,137 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 419 transitions. [2024-11-28 02:07:08,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 419 transitions. [2024-11-28 02:07:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 02:07:08,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:08,138 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] [2024-11-28 02:07:08,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:07:08,139 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:08,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash 125082261, now seen corresponding path program 1 times [2024-11-28 02:07:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:08,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983098207] [2024-11-28 02:07:08,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:08,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:08,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:08,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983098207] [2024-11-28 02:07:08,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983098207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:08,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:08,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:07:08,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140447591] [2024-11-28 02:07:08,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:08,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:08,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:08,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:08,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:08,760 INFO L87 Difference]: Start difference. First operand 287 states and 419 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:08,942 INFO L93 Difference]: Finished difference Result 487 states and 709 transitions. [2024-11-28 02:07:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:07:08,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 61 [2024-11-28 02:07:08,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:08,947 INFO L225 Difference]: With dead ends: 487 [2024-11-28 02:07:08,947 INFO L226 Difference]: Without dead ends: 311 [2024-11-28 02:07:08,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:07:08,951 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 244 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:08,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1568 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-28 02:07:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-28 02:07:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 310 states have (on average 1.4451612903225806) internal successors, (448), 310 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 448 transitions. [2024-11-28 02:07:08,972 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 448 transitions. Word has length 61 [2024-11-28 02:07:08,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:08,972 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 448 transitions. [2024-11-28 02:07:08,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 448 transitions. [2024-11-28 02:07:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 02:07:08,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:08,978 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] [2024-11-28 02:07:08,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:07:08,979 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:08,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:08,979 INFO L85 PathProgramCache]: Analyzing trace with hash -594321589, now seen corresponding path program 1 times [2024-11-28 02:07:08,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:08,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186053418] [2024-11-28 02:07:08,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:08,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:09,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:09,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186053418] [2024-11-28 02:07:09,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186053418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:09,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:07:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217969378] [2024-11-28 02:07:09,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:09,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:09,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:09,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:09,592 INFO L87 Difference]: Start difference. First operand 311 states and 448 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:09,746 INFO L93 Difference]: Finished difference Result 560 states and 805 transitions. [2024-11-28 02:07:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:07:09,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 61 [2024-11-28 02:07:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:09,749 INFO L225 Difference]: With dead ends: 560 [2024-11-28 02:07:09,752 INFO L226 Difference]: Without dead ends: 351 [2024-11-28 02:07:09,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:07:09,753 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 248 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:09,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1567 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-28 02:07:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-11-28 02:07:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.4257142857142857) internal successors, (499), 350 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 499 transitions. [2024-11-28 02:07:09,773 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 499 transitions. Word has length 61 [2024-11-28 02:07:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:09,774 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 499 transitions. [2024-11-28 02:07:09,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 499 transitions. [2024-11-28 02:07:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 02:07:09,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:09,776 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] [2024-11-28 02:07:09,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:07:09,776 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:09,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1321086045, now seen corresponding path program 1 times [2024-11-28 02:07:09,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:09,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342185660] [2024-11-28 02:07:09,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:09,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:10,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342185660] [2024-11-28 02:07:10,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342185660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:10,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:10,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:10,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176328916] [2024-11-28 02:07:10,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:10,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:10,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:10,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:10,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:10,039 INFO L87 Difference]: Start difference. First operand 351 states and 499 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:10,189 INFO L93 Difference]: Finished difference Result 640 states and 897 transitions. [2024-11-28 02:07:10,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:10,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 61 [2024-11-28 02:07:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:10,192 INFO L225 Difference]: With dead ends: 640 [2024-11-28 02:07:10,192 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 02:07:10,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:10,193 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 361 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:10,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 780 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 02:07:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 342. [2024-11-28 02:07:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.4193548387096775) internal successors, (484), 341 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 484 transitions. [2024-11-28 02:07:10,222 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 484 transitions. Word has length 61 [2024-11-28 02:07:10,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:10,227 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 484 transitions. [2024-11-28 02:07:10,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 484 transitions. [2024-11-28 02:07:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 02:07:10,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:10,228 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] [2024-11-28 02:07:10,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:07:10,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:10,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash -597014213, now seen corresponding path program 1 times [2024-11-28 02:07:10,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:10,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749026732] [2024-11-28 02:07:10,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:10,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:10,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:10,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749026732] [2024-11-28 02:07:10,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749026732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:10,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:10,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:10,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376521040] [2024-11-28 02:07:10,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:10,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:10,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:10,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:10,503 INFO L87 Difference]: Start difference. First operand 342 states and 484 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:10,611 INFO L93 Difference]: Finished difference Result 579 states and 813 transitions. [2024-11-28 02:07:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:10,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2024-11-28 02:07:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:10,615 INFO L225 Difference]: With dead ends: 579 [2024-11-28 02:07:10,615 INFO L226 Difference]: Without dead ends: 344 [2024-11-28 02:07:10,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:10,616 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 339 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:10,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 780 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-28 02:07:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 317. [2024-11-28 02:07:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.4145569620253164) internal successors, (447), 316 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 447 transitions. [2024-11-28 02:07:10,633 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 447 transitions. Word has length 62 [2024-11-28 02:07:10,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:10,633 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 447 transitions. [2024-11-28 02:07:10,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 447 transitions. [2024-11-28 02:07:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 02:07:10,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:10,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:10,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:07:10,634 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:10,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:10,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1768191416, now seen corresponding path program 1 times [2024-11-28 02:07:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357609467] [2024-11-28 02:07:10,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:11,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:11,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357609467] [2024-11-28 02:07:11,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357609467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:11,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:11,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:07:11,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473869768] [2024-11-28 02:07:11,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:11,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:11,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:11,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:11,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:11,609 INFO L87 Difference]: Start difference. First operand 317 states and 447 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:11,828 INFO L93 Difference]: Finished difference Result 588 states and 828 transitions. [2024-11-28 02:07:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:07:11,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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 62 [2024-11-28 02:07:11,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:11,831 INFO L225 Difference]: With dead ends: 588 [2024-11-28 02:07:11,831 INFO L226 Difference]: Without dead ends: 348 [2024-11-28 02:07:11,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:07:11,834 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 252 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:11,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1567 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:11,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-28 02:07:11,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-28 02:07:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.4005763688760806) internal successors, (486), 347 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 486 transitions. [2024-11-28 02:07:11,848 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 486 transitions. Word has length 62 [2024-11-28 02:07:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:11,848 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 486 transitions. [2024-11-28 02:07:11,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 486 transitions. [2024-11-28 02:07:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 02:07:11,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:11,849 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] [2024-11-28 02:07:11,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:07:11,850 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:11,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:11,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1744500801, now seen corresponding path program 1 times [2024-11-28 02:07:11,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:11,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846342288] [2024-11-28 02:07:11,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:12,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:12,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846342288] [2024-11-28 02:07:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846342288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:12,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:12,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:12,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134340194] [2024-11-28 02:07:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:12,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:12,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:12,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:12,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:12,084 INFO L87 Difference]: Start difference. First operand 348 states and 486 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:12,194 INFO L93 Difference]: Finished difference Result 610 states and 845 transitions. [2024-11-28 02:07:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:12,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2024-11-28 02:07:12,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:12,197 INFO L225 Difference]: With dead ends: 610 [2024-11-28 02:07:12,198 INFO L226 Difference]: Without dead ends: 350 [2024-11-28 02:07:12,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:12,199 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 331 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:12,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 780 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-28 02:07:12,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 325. [2024-11-28 02:07:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 1.3981481481481481) internal successors, (453), 324 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 453 transitions. [2024-11-28 02:07:12,212 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 453 transitions. Word has length 62 [2024-11-28 02:07:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:12,213 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 453 transitions. [2024-11-28 02:07:12,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 453 transitions. [2024-11-28 02:07:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 02:07:12,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:12,214 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] [2024-11-28 02:07:12,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:07:12,214 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:12,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:12,215 INFO L85 PathProgramCache]: Analyzing trace with hash 736704605, now seen corresponding path program 1 times [2024-11-28 02:07:12,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:12,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980415788] [2024-11-28 02:07:12,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:12,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:13,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:13,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980415788] [2024-11-28 02:07:13,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980415788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:13,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:13,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 02:07:13,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170610083] [2024-11-28 02:07:13,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:13,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:07:13,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:13,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:07:13,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:07:13,297 INFO L87 Difference]: Start difference. First operand 325 states and 453 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 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) [2024-11-28 02:07:13,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:13,897 INFO L93 Difference]: Finished difference Result 610 states and 851 transitions. [2024-11-28 02:07:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:07:13,898 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 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 [2024-11-28 02:07:13,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:13,900 INFO L225 Difference]: With dead ends: 610 [2024-11-28 02:07:13,900 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 02:07:13,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:07:13,902 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 249 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 3667 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:13,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 3667 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:07:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 02:07:13,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 365. [2024-11-28 02:07:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.3928571428571428) internal successors, (507), 364 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 507 transitions. [2024-11-28 02:07:13,916 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 507 transitions. Word has length 63 [2024-11-28 02:07:13,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:13,916 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 507 transitions. [2024-11-28 02:07:13,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 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) [2024-11-28 02:07:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 507 transitions. [2024-11-28 02:07:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 02:07:13,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:13,917 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] [2024-11-28 02:07:13,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:07:13,918 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:13,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1355141814, now seen corresponding path program 1 times [2024-11-28 02:07:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417164779] [2024-11-28 02:07:13,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:14,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:14,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417164779] [2024-11-28 02:07:14,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417164779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:14,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:14,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:14,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892711881] [2024-11-28 02:07:14,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:14,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:14,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:14,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:14,152 INFO L87 Difference]: Start difference. First operand 365 states and 507 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 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) [2024-11-28 02:07:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:14,252 INFO L93 Difference]: Finished difference Result 651 states and 902 transitions. [2024-11-28 02:07:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:14,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 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 [2024-11-28 02:07:14,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:14,255 INFO L225 Difference]: With dead ends: 651 [2024-11-28 02:07:14,255 INFO L226 Difference]: Without dead ends: 355 [2024-11-28 02:07:14,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:14,257 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 311 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:14,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 780 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:14,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-28 02:07:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 337. [2024-11-28 02:07:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 336 states have (on average 1.4107142857142858) internal successors, (474), 336 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 474 transitions. [2024-11-28 02:07:14,270 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 474 transitions. Word has length 63 [2024-11-28 02:07:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:14,270 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 474 transitions. [2024-11-28 02:07:14,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 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) [2024-11-28 02:07:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 474 transitions. [2024-11-28 02:07:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 02:07:14,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:14,274 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] [2024-11-28 02:07:14,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:07:14,275 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:14,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:14,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1367415582, now seen corresponding path program 1 times [2024-11-28 02:07:14,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:14,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096148611] [2024-11-28 02:07:14,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:14,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:14,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:14,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:07:14,545 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:07:14,546 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:07:14,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:07:14,552 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:14,677 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:14,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:14 BoogieIcfgContainer [2024-11-28 02:07:14,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:14,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:14,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:14,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:14,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:59" (3/4) ... [2024-11-28 02:07:14,692 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:14,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:14,694 INFO L158 Benchmark]: Toolchain (without parser) took 20156.65ms. Allocated memory was 117.4MB in the beginning and 453.0MB in the end (delta: 335.5MB). Free memory was 90.2MB in the beginning and 367.4MB in the end (delta: -277.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,694 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:14,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.95ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 43.8MB in the end (delta: 46.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 286.47ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 67.9MB in the end (delta: -24.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,696 INFO L158 Benchmark]: Boogie Preprocessor took 299.84ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 44.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,696 INFO L158 Benchmark]: RCFGBuilder took 3122.58ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.7MB in the beginning and 111.5MB in the end (delta: -66.8MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,696 INFO L158 Benchmark]: TraceAbstraction took 15319.10ms. Allocated memory was 234.9MB in the beginning and 453.0MB in the end (delta: 218.1MB). Free memory was 109.7MB in the beginning and 367.4MB in the end (delta: -257.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:14,697 INFO L158 Benchmark]: Witness Printer took 7.44ms. Allocated memory is still 453.0MB. Free memory was 367.4MB in the beginning and 367.4MB in the end (delta: 25.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:14,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.95ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 43.8MB in the end (delta: 46.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 286.47ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 67.9MB in the end (delta: -24.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 299.84ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 44.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3122.58ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.7MB in the beginning and 111.5MB in the end (delta: -66.8MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15319.10ms. Allocated memory was 234.9MB in the beginning and 453.0MB in the end (delta: 218.1MB). Free memory was 109.7MB in the beginning and 367.4MB in the end (delta: -257.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.44ms. Allocated memory is still 453.0MB. Free memory was 367.4MB in the beginning and 367.4MB in the end (delta: 25.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 375. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 3); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (3 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 2); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (2 - 1); [L41] const SORT_7 var_8 = 0; [L42] const SORT_11 var_13 = 0; [L43] const SORT_11 var_16 = 8; [L44] const SORT_11 var_20 = 4; [L45] const SORT_11 var_24 = 2; [L46] const SORT_11 var_28 = 1; [L47] const SORT_1 var_33 = 1; [L48] const SORT_37 var_38 = 0; [L49] const SORT_1 var_47 = 0; [L50] const SORT_67 var_68 = 0; [L51] const SORT_67 var_71 = 1; [L52] const SORT_37 var_81 = 7; [L53] const SORT_37 var_104 = 1; [L54] const SORT_37 var_123 = 2; [L55] const SORT_37 var_138 = 4; [L56] const SORT_67 var_154 = 2; [L57] const SORT_7 var_394 = 8; [L58] const SORT_7 var_397 = 4; [L59] const SORT_7 var_400 = 2; [L60] const SORT_7 var_401 = 1; [L62] SORT_1 input_2; [L63] SORT_1 input_3; [L64] SORT_1 input_4; [L65] SORT_1 input_5; [L66] SORT_1 input_6; [L67] SORT_37 input_75; [L68] SORT_37 input_76; [L69] SORT_37 input_77; [L70] SORT_37 input_78; [L71] SORT_37 input_79; [L72] SORT_37 input_80; [L73] SORT_37 input_85; [L74] SORT_37 input_87; [L75] SORT_37 input_89; [L76] SORT_37 input_94; [L77] SORT_37 input_96; [L78] SORT_37 input_98; [L79] SORT_37 input_102; [L80] SORT_37 input_103; [L81] SORT_37 input_108; [L82] SORT_37 input_110; [L83] SORT_37 input_115; [L84] SORT_37 input_117; [L85] SORT_37 input_121; [L86] SORT_37 input_122; [L87] SORT_37 input_127; [L88] SORT_37 input_132; [L89] SORT_37 input_136; [L90] SORT_37 input_137; [L91] SORT_37 input_149; [L92] SORT_37 input_160; [L93] SORT_37 input_161; [L94] SORT_37 input_162; [L95] SORT_37 input_163; [L96] SORT_37 input_164; [L97] SORT_37 input_165; [L98] SORT_37 input_168; [L99] SORT_37 input_170; [L100] SORT_37 input_172; [L101] SORT_37 input_177; [L102] SORT_37 input_179; [L103] SORT_37 input_181; [L104] SORT_37 input_185; [L105] SORT_37 input_186; [L106] SORT_37 input_189; [L107] SORT_37 input_191; [L108] SORT_37 input_196; [L109] SORT_37 input_198; [L110] SORT_37 input_202; [L111] SORT_37 input_203; [L112] SORT_37 input_206; [L113] SORT_37 input_211; [L114] SORT_37 input_215; [L115] SORT_37 input_216; [L116] SORT_37 input_226; [L117] SORT_37 input_233; [L118] SORT_37 input_234; [L119] SORT_37 input_235; [L120] SORT_37 input_236; [L121] SORT_37 input_237; [L122] SORT_37 input_238; [L123] SORT_37 input_241; [L124] SORT_37 input_243; [L125] SORT_37 input_245; [L126] SORT_37 input_250; [L127] SORT_37 input_252; [L128] SORT_37 input_254; [L129] SORT_37 input_258; [L130] SORT_37 input_259; [L131] SORT_37 input_262; [L132] SORT_37 input_264; [L133] SORT_37 input_269; [L134] SORT_37 input_271; [L135] SORT_37 input_275; [L136] SORT_37 input_276; [L137] SORT_37 input_279; [L138] SORT_37 input_284; [L139] SORT_37 input_288; [L140] SORT_37 input_289; [L141] SORT_37 input_299; [L142] SORT_37 input_306; [L143] SORT_37 input_307; [L144] SORT_37 input_308; [L145] SORT_37 input_309; [L146] SORT_37 input_310; [L147] SORT_37 input_311; [L148] SORT_37 input_314; [L149] SORT_37 input_316; [L150] SORT_37 input_318; [L151] SORT_37 input_323; [L152] SORT_37 input_325; [L153] SORT_37 input_327; [L154] SORT_37 input_331; [L155] SORT_37 input_332; [L156] SORT_37 input_335; [L157] SORT_37 input_337; [L158] SORT_37 input_342; [L159] SORT_37 input_344; [L160] SORT_37 input_348; [L161] SORT_37 input_349; [L162] SORT_37 input_352; [L163] SORT_37 input_357; [L164] SORT_37 input_361; [L165] SORT_37 input_362; [L166] SORT_37 input_372; [L167] SORT_7 input_391; [L168] SORT_7 input_392; [L169] SORT_7 input_393; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L171] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L172] SORT_37 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L173] SORT_37 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L174] SORT_37 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L175] SORT_37 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L176] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L177] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L178] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L179] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L180] SORT_7 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L181] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L182] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L183] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L184] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] EXPR __VERIFIER_nondet_uchar() & mask_SORT_67 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L185] SORT_67 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_67; [L187] SORT_7 init_10_arg_1 = var_8; [L188] state_9 = init_10_arg_1 [L189] SORT_37 init_40_arg_1 = var_38; [L190] state_39 = init_40_arg_1 [L191] SORT_37 init_42_arg_1 = var_38; [L192] state_41 = init_42_arg_1 [L193] SORT_37 init_44_arg_1 = var_38; [L194] state_43 = init_44_arg_1 [L195] SORT_37 init_46_arg_1 = var_38; [L196] state_45 = init_46_arg_1 [L197] SORT_1 init_49_arg_1 = var_47; [L198] state_48 = init_49_arg_1 [L199] SORT_1 init_51_arg_1 = var_47; [L200] state_50 = init_51_arg_1 [L201] SORT_1 init_53_arg_1 = var_47; [L202] state_52 = init_53_arg_1 [L203] SORT_1 init_55_arg_1 = var_47; [L204] state_54 = init_55_arg_1 [L205] SORT_7 init_57_arg_1 = var_8; [L206] state_56 = init_57_arg_1 [L207] SORT_1 init_60_arg_1 = var_47; [L208] state_59 = init_60_arg_1 [L209] SORT_1 init_62_arg_1 = var_47; [L210] state_61 = init_62_arg_1 [L211] SORT_1 init_64_arg_1 = var_47; [L212] state_63 = init_64_arg_1 [L213] SORT_1 init_66_arg_1 = var_47; [L214] state_65 = init_66_arg_1 [L215] SORT_67 init_70_arg_1 = var_68; [L216] state_69 = init_70_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L219] input_2 = __VERIFIER_nondet_uchar() [L220] input_3 = __VERIFIER_nondet_uchar() [L221] input_4 = __VERIFIER_nondet_uchar() [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_75 = __VERIFIER_nondet_uchar() [L225] input_76 = __VERIFIER_nondet_uchar() [L226] input_77 = __VERIFIER_nondet_uchar() [L227] input_78 = __VERIFIER_nondet_uchar() [L228] input_79 = __VERIFIER_nondet_uchar() [L229] input_80 = __VERIFIER_nondet_uchar() [L230] input_85 = __VERIFIER_nondet_uchar() [L231] input_87 = __VERIFIER_nondet_uchar() [L232] input_89 = __VERIFIER_nondet_uchar() [L233] input_94 = __VERIFIER_nondet_uchar() [L234] input_96 = __VERIFIER_nondet_uchar() [L235] input_98 = __VERIFIER_nondet_uchar() [L236] input_102 = __VERIFIER_nondet_uchar() [L237] input_103 = __VERIFIER_nondet_uchar() [L238] input_108 = __VERIFIER_nondet_uchar() [L239] input_110 = __VERIFIER_nondet_uchar() [L240] input_115 = __VERIFIER_nondet_uchar() [L241] input_117 = __VERIFIER_nondet_uchar() [L242] input_121 = __VERIFIER_nondet_uchar() [L243] input_122 = __VERIFIER_nondet_uchar() [L244] input_127 = __VERIFIER_nondet_uchar() [L245] input_132 = __VERIFIER_nondet_uchar() [L246] input_136 = __VERIFIER_nondet_uchar() [L247] input_137 = __VERIFIER_nondet_uchar() [L248] input_149 = __VERIFIER_nondet_uchar() [L249] input_160 = __VERIFIER_nondet_uchar() [L250] input_161 = __VERIFIER_nondet_uchar() [L251] input_162 = __VERIFIER_nondet_uchar() [L252] input_163 = __VERIFIER_nondet_uchar() [L253] input_164 = __VERIFIER_nondet_uchar() [L254] input_165 = __VERIFIER_nondet_uchar() [L255] input_168 = __VERIFIER_nondet_uchar() [L256] input_170 = __VERIFIER_nondet_uchar() [L257] input_172 = __VERIFIER_nondet_uchar() [L258] input_177 = __VERIFIER_nondet_uchar() [L259] input_179 = __VERIFIER_nondet_uchar() [L260] input_181 = __VERIFIER_nondet_uchar() [L261] input_185 = __VERIFIER_nondet_uchar() [L262] input_186 = __VERIFIER_nondet_uchar() [L263] input_189 = __VERIFIER_nondet_uchar() [L264] input_191 = __VERIFIER_nondet_uchar() [L265] input_196 = __VERIFIER_nondet_uchar() [L266] input_198 = __VERIFIER_nondet_uchar() [L267] input_202 = __VERIFIER_nondet_uchar() [L268] input_203 = __VERIFIER_nondet_uchar() [L269] input_206 = __VERIFIER_nondet_uchar() [L270] input_211 = __VERIFIER_nondet_uchar() [L271] input_215 = __VERIFIER_nondet_uchar() [L272] input_216 = __VERIFIER_nondet_uchar() [L273] input_226 = __VERIFIER_nondet_uchar() [L274] input_233 = __VERIFIER_nondet_uchar() [L275] input_234 = __VERIFIER_nondet_uchar() [L276] input_235 = __VERIFIER_nondet_uchar() [L277] input_236 = __VERIFIER_nondet_uchar() [L278] input_237 = __VERIFIER_nondet_uchar() [L279] input_238 = __VERIFIER_nondet_uchar() [L280] input_241 = __VERIFIER_nondet_uchar() [L281] input_243 = __VERIFIER_nondet_uchar() [L282] input_245 = __VERIFIER_nondet_uchar() [L283] input_250 = __VERIFIER_nondet_uchar() [L284] input_252 = __VERIFIER_nondet_uchar() [L285] input_254 = __VERIFIER_nondet_uchar() [L286] input_258 = __VERIFIER_nondet_uchar() [L287] input_259 = __VERIFIER_nondet_uchar() [L288] input_262 = __VERIFIER_nondet_uchar() [L289] input_264 = __VERIFIER_nondet_uchar() [L290] input_269 = __VERIFIER_nondet_uchar() [L291] input_271 = __VERIFIER_nondet_uchar() [L292] input_275 = __VERIFIER_nondet_uchar() [L293] input_276 = __VERIFIER_nondet_uchar() [L294] input_279 = __VERIFIER_nondet_uchar() [L295] input_284 = __VERIFIER_nondet_uchar() [L296] input_288 = __VERIFIER_nondet_uchar() [L297] input_289 = __VERIFIER_nondet_uchar() [L298] input_299 = __VERIFIER_nondet_uchar() [L299] input_306 = __VERIFIER_nondet_uchar() [L300] input_307 = __VERIFIER_nondet_uchar() [L301] input_308 = __VERIFIER_nondet_uchar() [L302] input_309 = __VERIFIER_nondet_uchar() [L303] input_310 = __VERIFIER_nondet_uchar() [L304] input_311 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_316 = __VERIFIER_nondet_uchar() [L307] input_318 = __VERIFIER_nondet_uchar() [L308] input_323 = __VERIFIER_nondet_uchar() [L309] input_325 = __VERIFIER_nondet_uchar() [L310] input_327 = __VERIFIER_nondet_uchar() [L311] input_331 = __VERIFIER_nondet_uchar() [L312] input_332 = __VERIFIER_nondet_uchar() [L313] input_335 = __VERIFIER_nondet_uchar() [L314] input_337 = __VERIFIER_nondet_uchar() [L315] input_342 = __VERIFIER_nondet_uchar() [L316] input_344 = __VERIFIER_nondet_uchar() [L317] input_348 = __VERIFIER_nondet_uchar() [L318] input_349 = __VERIFIER_nondet_uchar() [L319] input_352 = __VERIFIER_nondet_uchar() [L320] input_357 = __VERIFIER_nondet_uchar() [L321] input_361 = __VERIFIER_nondet_uchar() [L322] input_362 = __VERIFIER_nondet_uchar() [L323] input_372 = __VERIFIER_nondet_uchar() [L324] input_391 = __VERIFIER_nondet_uchar() [L325] input_392 = __VERIFIER_nondet_uchar() [L326] input_393 = __VERIFIER_nondet_uchar() [L329] SORT_7 var_12_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12_arg_0=0, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L330] EXPR var_12_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L330] var_12_arg_0 = var_12_arg_0 & mask_SORT_7 [L331] SORT_11 var_12 = var_12_arg_0; [L332] SORT_11 var_14_arg_0 = var_12; [L333] SORT_11 var_14_arg_1 = var_13; [L334] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L335] SORT_7 var_15_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_14=1, var_154=2, var_15_arg_0=0, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L336] EXPR var_15_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_14=1, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L336] var_15_arg_0 = var_15_arg_0 & mask_SORT_7 [L337] SORT_11 var_15 = var_15_arg_0; [L338] SORT_11 var_17_arg_0 = var_15; [L339] SORT_11 var_17_arg_1 = var_16; [L340] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L341] SORT_1 var_18_arg_0 = var_14; [L342] SORT_1 var_18_arg_1 = var_17; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18_arg_0=1, var_18_arg_1=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L343] EXPR var_18_arg_0 | var_18_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L343] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L344] SORT_7 var_19_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18=1, var_19_arg_0=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L345] EXPR var_19_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18=1, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L345] var_19_arg_0 = var_19_arg_0 & mask_SORT_7 [L346] SORT_11 var_19 = var_19_arg_0; [L347] SORT_11 var_21_arg_0 = var_19; [L348] SORT_11 var_21_arg_1 = var_20; [L349] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L350] SORT_1 var_22_arg_0 = var_18; [L351] SORT_1 var_22_arg_1 = var_21; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22_arg_0=1, var_22_arg_1=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L352] EXPR var_22_arg_0 | var_22_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L352] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L353] SORT_7 var_23_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22=1, var_23_arg_0=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L354] EXPR var_23_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22=1, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L354] var_23_arg_0 = var_23_arg_0 & mask_SORT_7 [L355] SORT_11 var_23 = var_23_arg_0; [L356] SORT_11 var_25_arg_0 = var_23; [L357] SORT_11 var_25_arg_1 = var_24; [L358] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L359] SORT_1 var_26_arg_0 = var_22; [L360] SORT_1 var_26_arg_1 = var_25; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26_arg_0=1, var_26_arg_1=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L361] EXPR var_26_arg_0 | var_26_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L361] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L362] SORT_7 var_27_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26=1, var_27_arg_0=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L363] EXPR var_27_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26=1, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L363] var_27_arg_0 = var_27_arg_0 & mask_SORT_7 [L364] SORT_11 var_27 = var_27_arg_0; [L365] SORT_11 var_29_arg_0 = var_27; [L366] SORT_11 var_29_arg_1 = var_28; [L367] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L368] SORT_1 var_30_arg_0 = var_26; [L369] SORT_1 var_30_arg_1 = var_29; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L370] EXPR var_30_arg_0 | var_30_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L370] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L371] SORT_1 var_34_arg_0 = var_30; [L372] SORT_1 var_34 = ~var_34_arg_0; [L373] SORT_1 var_35_arg_0 = var_33; [L374] SORT_1 var_35_arg_1 = var_34; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_35_arg_0=1, var_35_arg_1=-2, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L375] EXPR var_35_arg_0 & var_35_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L375] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L376] EXPR var_35 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L376] var_35 = var_35 & mask_SORT_1 [L377] SORT_1 bad_36_arg_0 = var_35; [L378] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3469 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3469 mSDsluCounter, 20400 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16726 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1291 IncrementalHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 3674 mSDtfsCounter, 1291 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=13, InterpolantAutomatonStates: 105, 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, 14 MinimizatonAttempts, 161 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 2682 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:07:14,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:17,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:18,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 02:07:18,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:18,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:18,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:18,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:18,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:18,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:18,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:18,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:18,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:18,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:18,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:18,075 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:18,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:18,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:18,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:18,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:18,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:18,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:18,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:18,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:18,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:18,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:18,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:18,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:18,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:18,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:18,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:18,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:18,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:18,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:18,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:18,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:18,081 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2024-11-28 02:07:18,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:18,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:18,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:18,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:18,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:18,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-11-28 02:07:21,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/e19cf3994/952383fa715f4405a56a9a5b40ed8c53/FLAG2f9b17144 [2024-11-28 02:07:22,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:22,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-11-28 02:07:22,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/e19cf3994/952383fa715f4405a56a9a5b40ed8c53/FLAG2f9b17144 [2024-11-28 02:07:22,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/data/e19cf3994/952383fa715f4405a56a9a5b40ed8c53 [2024-11-28 02:07:22,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:22,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:22,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:22,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:22,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:22,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:22" (1/1) ... [2024-11-28 02:07:22,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac816b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:22, skipping insertion in model container [2024-11-28 02:07:22,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:22" (1/1) ... [2024-11-28 02:07:22,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:22,518 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2024-11-28 02:07:22,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:22,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:22,860 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_f35dcb64-b949-4286-814c-a3165ff5f9b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2024-11-28 02:07:23,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:23,050 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:23,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23 WrapperNode [2024-11-28 02:07:23,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:23,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:23,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:23,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:23,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,194 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1556 [2024-11-28 02:07:23,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:23,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:23,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:23,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:23,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,284 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-28 02:07:23,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:23,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:23,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:23,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:23,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (1/1) ... [2024-11-28 02:07:23,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:23,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:23,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:23,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:07:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:23,798 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:23,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:25,052 INFO L? ?]: Removed 177 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:25,053 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:25,062 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:25,062 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:07:25,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:25 BoogieIcfgContainer [2024-11-28 02:07:25,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:25,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:25,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:25,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:25,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:22" (1/3) ... [2024-11-28 02:07:25,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7584d34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:25, skipping insertion in model container [2024-11-28 02:07:25,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:23" (2/3) ... [2024-11-28 02:07:25,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7584d34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:25, skipping insertion in model container [2024-11-28 02:07:25,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:25" (3/3) ... [2024-11-28 02:07:25,076 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2024-11-28 02:07:25,092 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:25,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_b03.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:25,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:25,153 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;@2127943a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:25,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 02:07:25,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:25,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 02:07:25,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:25,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:25,168 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 02:07:25,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:25,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128856442] [2024-11-28 02:07:25,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:25,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:25,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:25,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:25,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:25,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 02:07:25,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:25,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:25,994 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128856442] [2024-11-28 02:07:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128856442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:25,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:25,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815418670] [2024-11-28 02:07:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:26,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:26,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:26,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:26,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:26,029 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:26,142 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 02:07:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:26,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 02:07:26,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:26,152 INFO L225 Difference]: With dead ends: 18 [2024-11-28 02:07:26,153 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 02:07:26,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:26,160 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:26,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:26,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 02:07:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 02:07:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 02:07:26,194 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 02:07:26,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:26,195 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 02:07:26,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 02:07:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 02:07:26,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:26,196 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:26,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:26,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:26,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:26,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:26,403 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 02:07:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:26,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945010067] [2024-11-28 02:07:26,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:26,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:26,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:26,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:26,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:07:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:26,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:07:26,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:27,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:28,463 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:28,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945010067] [2024-11-28 02:07:28,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945010067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:28,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:07:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 02:07:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395176650] [2024-11-28 02:07:28,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:28,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:07:28,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:28,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:07:28,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:07:28,469 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:28,728 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-28 02:07:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:28,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 8 [2024-11-28 02:07:28,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:28,730 INFO L225 Difference]: With dead ends: 15 [2024-11-28 02:07:28,730 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 02:07:28,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:07:28,732 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:28,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:07:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 02:07:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-28 02:07:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-28 02:07:28,739 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-28 02:07:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:28,739 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-28 02:07:28,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-28 02:07:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 02:07:28,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,741 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-28 02:07:28,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:28,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:28,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:28,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-28 02:07:28,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:28,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254515120] [2024-11-28 02:07:28,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:07:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:28,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:28,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:28,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:07:29,678 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:07:29,679 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:07:29,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:38,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:19,408 WARN L286 SmtUtils]: Spent 14.87s on a formula simplification. DAG size of input: 477 DAG size of output: 484 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:09:18,681 WARN L286 SmtUtils]: Spent 15.34s on a formula simplification that was a NOOP. DAG size: 487 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:10:03,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:10:03,082 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:10:03,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254515120] [2024-11-28 02:10:03,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254515120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:10:03,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:10:03,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-28 02:10:03,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440507449] [2024-11-28 02:10:03,083 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:10:03,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:10:03,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:10:03,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:10:03,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:10:03,084 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:10:12,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-28 02:10:12,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:12,257 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-28 02:10:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:10:12,258 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 11 [2024-11-28 02:10:12,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:12,258 INFO L225 Difference]: With dead ends: 21 [2024-11-28 02:10:12,258 INFO L226 Difference]: Without dead ends: 19 [2024-11-28 02:10:12,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 38.7s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:10:12,260 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:12,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 23 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:10:12,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-28 02:10:12,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-28 02:10:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:10:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-28 02:10:12,265 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2024-11-28 02:10:12,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:12,266 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-28 02:10:12,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:10:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-28 02:10:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 02:10:12,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:12,266 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2024-11-28 02:10:12,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:10:12,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:12,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:10:12,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:12,468 INFO L85 PathProgramCache]: Analyzing trace with hash -37306491, now seen corresponding path program 3 times [2024-11-28 02:10:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:10:12,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206429535] [2024-11-28 02:10:12,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:10:12,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:12,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:10:12,471 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:10:12,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35dcb64-b949-4286-814c-a3165ff5f9b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:10:13,422 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-28 02:10:13,422 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:10:13,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-28 02:10:13,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:10:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:10:23,819 INFO L312 TraceCheckSpWp]: Computing backward predicates...