./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3efee8c660a339e6d13fe6728631748153baced66b17ec0d4ea728c6f50decb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:07:43,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:07:43,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:07:43,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:07:43,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:07:43,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:07:43,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:07:43,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:07:43,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:07:43,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:07:43,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:07:43,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:07:43,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:07:43,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:07:43,506 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:07:43,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:07:43,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:07:43,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:07:43,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:07:43,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:07:43,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:07:43,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:07:43,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:07:43,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:07:43,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:07:43,510 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_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3efee8c660a339e6d13fe6728631748153baced66b17ec0d4ea728c6f50decb [2024-12-01 23:07:43,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:07:43,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:07:43,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:07:43,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:07:43,725 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:07:43,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2024-12-01 23:07:46,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/data/e4ed1fa49/fa883f4be0334903ace2f94467f1c7e0/FLAG7fab14fee [2024-12-01 23:07:46,789 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:07:46,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2024-12-01 23:07:46,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/data/e4ed1fa49/fa883f4be0334903ace2f94467f1c7e0/FLAG7fab14fee [2024-12-01 23:07:46,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/data/e4ed1fa49/fa883f4be0334903ace2f94467f1c7e0 [2024-12-01 23:07:46,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:07:46,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:07:46,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:07:46,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:07:46,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:07:46,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:07:46" (1/1) ... [2024-12-01 23:07:46,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7633aa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:46, skipping insertion in model container [2024-12-01 23:07:46,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:07:46" (1/1) ... [2024-12-01 23:07:47,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:07:47,267 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_46f42939-6e53-4763-9953-1ab5de5013d5/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c[6487,6500] [2024-12-01 23:07:47,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c[14235,14248] [2024-12-01 23:07:47,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:07:47,925 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:07:47,948 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_46f42939-6e53-4763-9953-1ab5de5013d5/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c[6487,6500] [2024-12-01 23:07:47,961 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_46f42939-6e53-4763-9953-1ab5de5013d5/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c[14235,14248] [2024-12-01 23:07:48,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:07:48,284 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:07:48,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48 WrapperNode [2024-12-01 23:07:48,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:07:48,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:07:48,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:07:48,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:07:48,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,542 INFO L138 Inliner]: procedures = 35, calls = 20, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 4982 [2024-12-01 23:07:48,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:07:48,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:07:48,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:07:48,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:07:48,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,744 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:07:48,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:07:48,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:07:48,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:07:48,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:07:48,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (1/1) ... [2024-12-01 23:07:48,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:07:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:07:48,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:07:48,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:07:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:07:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:07:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:07:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:07:49,083 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:07:49,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:07:53,584 INFO L? ?]: Removed 734 outVars from TransFormulas that were not future-live. [2024-12-01 23:07:53,584 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:07:53,613 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:07:53,613 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:07:53,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:53 BoogieIcfgContainer [2024-12-01 23:07:53,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:07:53,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:07:53,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:07:53,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:07:53,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:07:46" (1/3) ... [2024-12-01 23:07:53,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744a602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:07:53, skipping insertion in model container [2024-12-01 23:07:53,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:48" (2/3) ... [2024-12-01 23:07:53,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744a602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:07:53, skipping insertion in model container [2024-12-01 23:07:53,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:53" (3/3) ... [2024-12-01 23:07:53,623 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2024-12-01 23:07:53,638 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:07:53,641 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals+Problem12_label09.c that has 1 procedures, 874 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-01 23:07:53,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:07:53,730 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;@32a769c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:07:53,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-01 23:07:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 874 states, 871 states have (on average 1.9058553386911596) internal successors, (1660), 873 states have internal predecessors, (1660), 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) [2024-12-01 23:07:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-01 23:07:53,741 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:53,741 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] [2024-12-01 23:07:53,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:53,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash -934405548, now seen corresponding path program 1 times [2024-12-01 23:07:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:53,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649263940] [2024-12-01 23:07:53,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:53,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:53,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:53,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649263940] [2024-12-01 23:07:53,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649263940] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:53,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:53,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:07:53,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237441391] [2024-12-01 23:07:53,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:53,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:07:53,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:53,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:07:53,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:07:53,962 INFO L87 Difference]: Start difference. First operand has 874 states, 871 states have (on average 1.9058553386911596) internal successors, (1660), 873 states have internal predecessors, (1660), 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 2 states, 2 states have (on average 10.0) internal successors, (20), 2 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) [2024-12-01 23:07:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:54,066 INFO L93 Difference]: Finished difference Result 1724 states and 3278 transitions. [2024-12-01 23:07:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:07:54,068 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 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 20 [2024-12-01 23:07:54,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:54,082 INFO L225 Difference]: With dead ends: 1724 [2024-12-01 23:07:54,082 INFO L226 Difference]: Without dead ends: 808 [2024-12-01 23:07:54,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:07:54,090 INFO L435 NwaCegarLoop]: 1591 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:54,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-12-01 23:07:54,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2024-12-01 23:07:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 806 states have (on average 1.8945409429280398) internal successors, (1527), 807 states have internal predecessors, (1527), 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) [2024-12-01 23:07:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1527 transitions. [2024-12-01 23:07:54,158 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1527 transitions. Word has length 20 [2024-12-01 23:07:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:54,158 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1527 transitions. [2024-12-01 23:07:54,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 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) [2024-12-01 23:07:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1527 transitions. [2024-12-01 23:07:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-01 23:07:54,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:54,159 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] [2024-12-01 23:07:54,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:07:54,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:54,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1945522798, now seen corresponding path program 1 times [2024-12-01 23:07:54,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:54,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907504128] [2024-12-01 23:07:54,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907504128] [2024-12-01 23:07:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907504128] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519684802] [2024-12-01 23:07:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:54,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:54,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:54,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:54,340 INFO L87 Difference]: Start difference. First operand 808 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2024-12-01 23:07:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:54,435 INFO L93 Difference]: Finished difference Result 844 states and 1581 transitions. [2024-12-01 23:07:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:07:54,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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 20 [2024-12-01 23:07:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:54,439 INFO L225 Difference]: With dead ends: 844 [2024-12-01 23:07:54,439 INFO L226 Difference]: Without dead ends: 808 [2024-12-01 23:07:54,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:54,441 INFO L435 NwaCegarLoop]: 1525 mSDtfsCounter, 0 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6079 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:54,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6079 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:54,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-12-01 23:07:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2024-12-01 23:07:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 806 states have (on average 1.8746898263027296) internal successors, (1511), 807 states have internal predecessors, (1511), 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) [2024-12-01 23:07:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1511 transitions. [2024-12-01 23:07:54,464 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1511 transitions. Word has length 20 [2024-12-01 23:07:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:54,465 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1511 transitions. [2024-12-01 23:07:54,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2024-12-01 23:07:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1511 transitions. [2024-12-01 23:07:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-01 23:07:54,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:54,466 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] [2024-12-01 23:07:54,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:07:54,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:54,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:54,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1226597962, now seen corresponding path program 1 times [2024-12-01 23:07:54,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:54,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140628673] [2024-12-01 23:07:54,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:54,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:54,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140628673] [2024-12-01 23:07:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140628673] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:54,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:54,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310968592] [2024-12-01 23:07:54,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:54,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:54,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:54,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:54,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:54,583 INFO L87 Difference]: Start difference. First operand 808 states and 1511 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-12-01 23:07:54,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:54,691 INFO L93 Difference]: Finished difference Result 1000 states and 1811 transitions. [2024-12-01 23:07:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:07:54,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2024-12-01 23:07:54,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:54,696 INFO L225 Difference]: With dead ends: 1000 [2024-12-01 23:07:54,696 INFO L226 Difference]: Without dead ends: 968 [2024-12-01 23:07:54,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:07:54,697 INFO L435 NwaCegarLoop]: 1505 mSDtfsCounter, 4682 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4682 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:54,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4682 Valid, 1758 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:07:54,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-12-01 23:07:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 838. [2024-12-01 23:07:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 836 states have (on average 1.8636363636363635) internal successors, (1558), 837 states have internal predecessors, (1558), 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) [2024-12-01 23:07:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1558 transitions. [2024-12-01 23:07:54,714 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1558 transitions. Word has length 35 [2024-12-01 23:07:54,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:54,714 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1558 transitions. [2024-12-01 23:07:54,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-12-01 23:07:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1558 transitions. [2024-12-01 23:07:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-01 23:07:54,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:54,715 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] [2024-12-01 23:07:54,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:07:54,716 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash 523901274, now seen corresponding path program 1 times [2024-12-01 23:07:54,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:54,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056669332] [2024-12-01 23:07:54,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:54,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:54,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056669332] [2024-12-01 23:07:54,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056669332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:54,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:54,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:54,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859287949] [2024-12-01 23:07:54,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:54,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:54,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:54,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:54,788 INFO L87 Difference]: Start difference. First operand 838 states and 1558 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-01 23:07:54,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:54,824 INFO L93 Difference]: Finished difference Result 951 states and 1733 transitions. [2024-12-01 23:07:54,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:54,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2024-12-01 23:07:54,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:54,828 INFO L225 Difference]: With dead ends: 951 [2024-12-01 23:07:54,828 INFO L226 Difference]: Without dead ends: 889 [2024-12-01 23:07:54,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:54,830 INFO L435 NwaCegarLoop]: 1507 mSDtfsCounter, 1468 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:54,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 1550 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:54,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-12-01 23:07:54,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2024-12-01 23:07:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 883 states have (on average 1.8437146092865233) internal successors, (1628), 884 states have internal predecessors, (1628), 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) [2024-12-01 23:07:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1628 transitions. [2024-12-01 23:07:54,849 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1628 transitions. Word has length 37 [2024-12-01 23:07:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:54,849 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1628 transitions. [2024-12-01 23:07:54,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-12-01 23:07:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1628 transitions. [2024-12-01 23:07:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-01 23:07:54,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:54,850 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] [2024-12-01 23:07:54,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:07:54,850 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:54,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:54,851 INFO L85 PathProgramCache]: Analyzing trace with hash 590394786, now seen corresponding path program 1 times [2024-12-01 23:07:54,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:54,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724771766] [2024-12-01 23:07:54,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:54,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:55,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724771766] [2024-12-01 23:07:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724771766] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49082960] [2024-12-01 23:07:55,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:55,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:55,003 INFO L87 Difference]: Start difference. First operand 885 states and 1628 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-12-01 23:07:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,073 INFO L93 Difference]: Finished difference Result 996 states and 1796 transitions. [2024-12-01 23:07:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:07:55,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2024-12-01 23:07:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,076 INFO L225 Difference]: With dead ends: 996 [2024-12-01 23:07:55,076 INFO L226 Difference]: Without dead ends: 887 [2024-12-01 23:07:55,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:07:55,077 INFO L435 NwaCegarLoop]: 1506 mSDtfsCounter, 2952 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 1598 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-12-01 23:07:55,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2024-12-01 23:07:55,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 883 states have (on average 1.8414496036240091) internal successors, (1626), 884 states have internal predecessors, (1626), 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) [2024-12-01 23:07:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1626 transitions. [2024-12-01 23:07:55,093 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1626 transitions. Word has length 37 [2024-12-01 23:07:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,093 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1626 transitions. [2024-12-01 23:07:55,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-12-01 23:07:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1626 transitions. [2024-12-01 23:07:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-01 23:07:55,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,094 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] [2024-12-01 23:07:55,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:07:55,094 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash 707645968, now seen corresponding path program 1 times [2024-12-01 23:07:55,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806437811] [2024-12-01 23:07:55,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:55,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806437811] [2024-12-01 23:07:55,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806437811] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-01 23:07:55,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181163748] [2024-12-01 23:07:55,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 23:07:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 23:07:55,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:07:55,289 INFO L87 Difference]: Start difference. First operand 885 states and 1626 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2024-12-01 23:07:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,353 INFO L93 Difference]: Finished difference Result 893 states and 1635 transitions. [2024-12-01 23:07:55,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-01 23:07:55,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 38 [2024-12-01 23:07:55,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,358 INFO L225 Difference]: With dead ends: 893 [2024-12-01 23:07:55,358 INFO L226 Difference]: Without dead ends: 891 [2024-12-01 23:07:55,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:07:55,359 INFO L435 NwaCegarLoop]: 1505 mSDtfsCounter, 0 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10522 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10522 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-12-01 23:07:55,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 891. [2024-12-01 23:07:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 889 states have (on average 1.8346456692913387) internal successors, (1631), 890 states have internal predecessors, (1631), 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) [2024-12-01 23:07:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1631 transitions. [2024-12-01 23:07:55,375 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1631 transitions. Word has length 38 [2024-12-01 23:07:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,375 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1631 transitions. [2024-12-01 23:07:55,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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) [2024-12-01 23:07:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1631 transitions. [2024-12-01 23:07:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-01 23:07:55,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,376 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] [2024-12-01 23:07:55,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 23:07:55,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1903217474, now seen corresponding path program 1 times [2024-12-01 23:07:55,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331312166] [2024-12-01 23:07:55,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:55,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331312166] [2024-12-01 23:07:55,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331312166] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:55,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519237527] [2024-12-01 23:07:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:55,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:55,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,419 INFO L87 Difference]: Start difference. First operand 891 states and 1631 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-12-01 23:07:55,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,443 INFO L93 Difference]: Finished difference Result 1105 states and 1943 transitions. [2024-12-01 23:07:55,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:55,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2024-12-01 23:07:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,446 INFO L225 Difference]: With dead ends: 1105 [2024-12-01 23:07:55,447 INFO L226 Difference]: Without dead ends: 990 [2024-12-01 23:07:55,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,447 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 1475 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 1587 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-12-01 23:07:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 988. [2024-12-01 23:07:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 986 states have (on average 1.793103448275862) internal successors, (1768), 987 states have internal predecessors, (1768), 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) [2024-12-01 23:07:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1768 transitions. [2024-12-01 23:07:55,465 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1768 transitions. Word has length 39 [2024-12-01 23:07:55,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,465 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1768 transitions. [2024-12-01 23:07:55,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-12-01 23:07:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1768 transitions. [2024-12-01 23:07:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-01 23:07:55,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,466 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] [2024-12-01 23:07:55,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 23:07:55,466 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash 122284610, now seen corresponding path program 1 times [2024-12-01 23:07:55,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432235162] [2024-12-01 23:07:55,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:55,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432235162] [2024-12-01 23:07:55,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432235162] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:55,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328702151] [2024-12-01 23:07:55,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:55,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:55,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,504 INFO L87 Difference]: Start difference. First operand 988 states and 1768 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-12-01 23:07:55,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,526 INFO L93 Difference]: Finished difference Result 1380 states and 2326 transitions. [2024-12-01 23:07:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:55,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2024-12-01 23:07:55,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,530 INFO L225 Difference]: With dead ends: 1380 [2024-12-01 23:07:55,530 INFO L226 Difference]: Without dead ends: 1168 [2024-12-01 23:07:55,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,531 INFO L435 NwaCegarLoop]: 1538 mSDtfsCounter, 1477 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 1593 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-12-01 23:07:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1166. [2024-12-01 23:07:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 1164 states have (on average 1.7268041237113403) internal successors, (2010), 1165 states have internal predecessors, (2010), 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) [2024-12-01 23:07:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 2010 transitions. [2024-12-01 23:07:55,550 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 2010 transitions. Word has length 39 [2024-12-01 23:07:55,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,550 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 2010 transitions. [2024-12-01 23:07:55,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-12-01 23:07:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2010 transitions. [2024-12-01 23:07:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-01 23:07:55,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,551 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] [2024-12-01 23:07:55,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 23:07:55,551 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1688735299, now seen corresponding path program 1 times [2024-12-01 23:07:55,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846648502] [2024-12-01 23:07:55,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:55,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846648502] [2024-12-01 23:07:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846648502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:55,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089746247] [2024-12-01 23:07:55,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:55,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:55,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,590 INFO L87 Difference]: Start difference. First operand 1166 states and 2010 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-12-01 23:07:55,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,614 INFO L93 Difference]: Finished difference Result 1589 states and 2616 transitions. [2024-12-01 23:07:55,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:55,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2024-12-01 23:07:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,618 INFO L225 Difference]: With dead ends: 1589 [2024-12-01 23:07:55,618 INFO L226 Difference]: Without dead ends: 1354 [2024-12-01 23:07:55,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:55,619 INFO L435 NwaCegarLoop]: 1543 mSDtfsCounter, 1476 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 1594 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2024-12-01 23:07:55,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1352. [2024-12-01 23:07:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1350 states have (on average 1.677037037037037) internal successors, (2264), 1351 states have internal predecessors, (2264), 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) [2024-12-01 23:07:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2264 transitions. [2024-12-01 23:07:55,644 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2264 transitions. Word has length 41 [2024-12-01 23:07:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,644 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 2264 transitions. [2024-12-01 23:07:55,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-12-01 23:07:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2264 transitions. [2024-12-01 23:07:55,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-01 23:07:55,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,645 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:55,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 23:07:55,645 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,646 INFO L85 PathProgramCache]: Analyzing trace with hash 923003988, now seen corresponding path program 1 times [2024-12-01 23:07:55,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770464497] [2024-12-01 23:07:55,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-01 23:07:55,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770464497] [2024-12-01 23:07:55,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770464497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:55,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754245459] [2024-12-01 23:07:55,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:55,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:55,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:55,747 INFO L87 Difference]: Start difference. First operand 1352 states and 2264 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-12-01 23:07:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:55,839 INFO L93 Difference]: Finished difference Result 3208 states and 4844 transitions. [2024-12-01 23:07:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:07:55,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 54 [2024-12-01 23:07:55,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:55,845 INFO L225 Difference]: With dead ends: 3208 [2024-12-01 23:07:55,845 INFO L226 Difference]: Without dead ends: 2634 [2024-12-01 23:07:55,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:07:55,847 INFO L435 NwaCegarLoop]: 1551 mSDtfsCounter, 3057 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:55,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 3155 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:55,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2024-12-01 23:07:55,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 1924. [2024-12-01 23:07:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1922 states have (on average 1.5879292403746097) internal successors, (3052), 1923 states have internal predecessors, (3052), 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) [2024-12-01 23:07:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 3052 transitions. [2024-12-01 23:07:55,887 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 3052 transitions. Word has length 54 [2024-12-01 23:07:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:55,887 INFO L471 AbstractCegarLoop]: Abstraction has 1924 states and 3052 transitions. [2024-12-01 23:07:55,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-12-01 23:07:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3052 transitions. [2024-12-01 23:07:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-01 23:07:55,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:55,888 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:55,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 23:07:55,889 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash -857928876, now seen corresponding path program 1 times [2024-12-01 23:07:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:55,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090181500] [2024-12-01 23:07:55,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-01 23:07:55,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:55,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090181500] [2024-12-01 23:07:55,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090181500] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:55,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:55,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:55,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308889251] [2024-12-01 23:07:55,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:55,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:55,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:55,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:55,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:55,984 INFO L87 Difference]: Start difference. First operand 1924 states and 3052 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2024-12-01 23:07:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:56,094 INFO L93 Difference]: Finished difference Result 3780 states and 5632 transitions. [2024-12-01 23:07:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:07:56,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 54 [2024-12-01 23:07:56,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:56,102 INFO L225 Difference]: With dead ends: 3780 [2024-12-01 23:07:56,102 INFO L226 Difference]: Without dead ends: 3206 [2024-12-01 23:07:56,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:07:56,104 INFO L435 NwaCegarLoop]: 1552 mSDtfsCounter, 3049 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 3170 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:56,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 3170 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:07:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2024-12-01 23:07:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2784. [2024-12-01 23:07:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2782 states have (on average 1.518332135154565) internal successors, (4224), 2783 states have internal predecessors, (4224), 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) [2024-12-01 23:07:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 4224 transitions. [2024-12-01 23:07:56,156 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 4224 transitions. Word has length 54 [2024-12-01 23:07:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:56,156 INFO L471 AbstractCegarLoop]: Abstraction has 2784 states and 4224 transitions. [2024-12-01 23:07:56,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2024-12-01 23:07:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 4224 transitions. [2024-12-01 23:07:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-01 23:07:56,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:56,157 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:56,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-01 23:07:56,157 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:56,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:56,157 INFO L85 PathProgramCache]: Analyzing trace with hash 894361900, now seen corresponding path program 1 times [2024-12-01 23:07:56,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:56,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006183660] [2024-12-01 23:07:56,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:56,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:56,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006183660] [2024-12-01 23:07:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006183660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:56,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:56,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:56,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308581202] [2024-12-01 23:07:56,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:56,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:56,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:56,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:56,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,277 INFO L87 Difference]: Start difference. First operand 2784 states and 4224 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-12-01 23:07:56,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:56,314 INFO L93 Difference]: Finished difference Result 4260 states and 6287 transitions. [2024-12-01 23:07:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:56,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-12-01 23:07:56,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:56,319 INFO L225 Difference]: With dead ends: 4260 [2024-12-01 23:07:56,320 INFO L226 Difference]: Without dead ends: 2254 [2024-12-01 23:07:56,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,322 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 34 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3031 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:56,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3031 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:56,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2024-12-01 23:07:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2252. [2024-12-01 23:07:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2252 states, 2250 states have (on average 1.5537777777777777) internal successors, (3496), 2251 states have internal predecessors, (3496), 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) [2024-12-01 23:07:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 3496 transitions. [2024-12-01 23:07:56,365 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 3496 transitions. Word has length 56 [2024-12-01 23:07:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:56,365 INFO L471 AbstractCegarLoop]: Abstraction has 2252 states and 3496 transitions. [2024-12-01 23:07:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-12-01 23:07:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3496 transitions. [2024-12-01 23:07:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-01 23:07:56,366 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:56,366 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:56,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-01 23:07:56,367 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:56,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1218909775, now seen corresponding path program 1 times [2024-12-01 23:07:56,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:56,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892418583] [2024-12-01 23:07:56,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-01 23:07:56,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:56,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892418583] [2024-12-01 23:07:56,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892418583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:56,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:56,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:07:56,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256386969] [2024-12-01 23:07:56,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:56,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:07:56,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:56,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:07:56,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:07:56,443 INFO L87 Difference]: Start difference. First operand 2252 states and 3496 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-12-01 23:07:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:56,528 INFO L93 Difference]: Finished difference Result 3508 states and 5252 transitions. [2024-12-01 23:07:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:07:56,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 56 [2024-12-01 23:07:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:56,535 INFO L225 Difference]: With dead ends: 3508 [2024-12-01 23:07:56,535 INFO L226 Difference]: Without dead ends: 3090 [2024-12-01 23:07:56,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:07:56,536 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 3051 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:56,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 3147 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:56,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2024-12-01 23:07:56,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2668. [2024-12-01 23:07:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 2666 states have (on average 1.5273818454613652) internal successors, (4072), 2667 states have internal predecessors, (4072), 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) [2024-12-01 23:07:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 4072 transitions. [2024-12-01 23:07:56,586 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 4072 transitions. Word has length 56 [2024-12-01 23:07:56,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:56,586 INFO L471 AbstractCegarLoop]: Abstraction has 2668 states and 4072 transitions. [2024-12-01 23:07:56,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-12-01 23:07:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 4072 transitions. [2024-12-01 23:07:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-01 23:07:56,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:56,587 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:56,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-01 23:07:56,588 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:56,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash -877348108, now seen corresponding path program 1 times [2024-12-01 23:07:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:56,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122502710] [2024-12-01 23:07:56,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:56,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:56,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122502710] [2024-12-01 23:07:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122502710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542404442] [2024-12-01 23:07:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:56,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:56,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:56,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:56,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,651 INFO L87 Difference]: Start difference. First operand 2668 states and 4072 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2024-12-01 23:07:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:56,681 INFO L93 Difference]: Finished difference Result 3608 states and 5370 transitions. [2024-12-01 23:07:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:56,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 [2024-12-01 23:07:56,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:56,686 INFO L225 Difference]: With dead ends: 3608 [2024-12-01 23:07:56,686 INFO L226 Difference]: Without dead ends: 1734 [2024-12-01 23:07:56,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,688 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 29 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:56,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 3016 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:56,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-12-01 23:07:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1732. [2024-12-01 23:07:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1730 states have (on average 1.5942196531791908) internal successors, (2758), 1731 states have internal predecessors, (2758), 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) [2024-12-01 23:07:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2758 transitions. [2024-12-01 23:07:56,719 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2758 transitions. Word has length 57 [2024-12-01 23:07:56,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:56,719 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2758 transitions. [2024-12-01 23:07:56,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2024-12-01 23:07:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2758 transitions. [2024-12-01 23:07:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-01 23:07:56,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:56,720 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:56,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 23:07:56,720 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:56,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:56,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1226511174, now seen corresponding path program 1 times [2024-12-01 23:07:56,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:56,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128075254] [2024-12-01 23:07:56,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:56,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:56,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:56,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128075254] [2024-12-01 23:07:56,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128075254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:07:56,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:07:56,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:07:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423544498] [2024-12-01 23:07:56,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:07:56,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:07:56,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:56,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:07:56,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,779 INFO L87 Difference]: Start difference. First operand 1732 states and 2758 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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) [2024-12-01 23:07:56,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:07:56,805 INFO L93 Difference]: Finished difference Result 2204 states and 3399 transitions. [2024-12-01 23:07:56,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:07:56,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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 [2024-12-01 23:07:56,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:07:56,810 INFO L225 Difference]: With dead ends: 2204 [2024-12-01 23:07:56,810 INFO L226 Difference]: Without dead ends: 1266 [2024-12-01 23:07:56,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:07:56,811 INFO L435 NwaCegarLoop]: 1521 mSDtfsCounter, 26 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3001 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:07:56,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3001 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:07:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-12-01 23:07:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1264. [2024-12-01 23:07:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1262 states have (on average 1.6719492868462758) internal successors, (2110), 1263 states have internal predecessors, (2110), 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) [2024-12-01 23:07:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2110 transitions. [2024-12-01 23:07:56,839 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2110 transitions. Word has length 59 [2024-12-01 23:07:56,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:07:56,839 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2110 transitions. [2024-12-01 23:07:56,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 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) [2024-12-01 23:07:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2110 transitions. [2024-12-01 23:07:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-01 23:07:56,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:07:56,840 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:07:56,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 23:07:56,840 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:07:56,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:07:56,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1826022888, now seen corresponding path program 1 times [2024-12-01 23:07:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:07:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535818539] [2024-12-01 23:07:56,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:07:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:07:58,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:07:58,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535818539] [2024-12-01 23:07:58,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535818539] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:07:58,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142461253] [2024-12-01 23:07:58,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:07:58,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:07:58,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:07:58,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:07:58,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:07:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:07:58,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-01 23:07:58,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:07:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-01 23:07:58,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:07:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-01 23:07:58,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142461253] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:07:58,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:07:58,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 4] total 19 [2024-12-01 23:07:58,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142176392] [2024-12-01 23:07:58,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:07:58,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-01 23:07:58,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:07:58,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-01 23:07:58,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2024-12-01 23:07:58,589 INFO L87 Difference]: Start difference. First operand 1264 states and 2110 transitions. Second operand has 19 states, 19 states have (on average 8.736842105263158) internal successors, (166), 19 states have internal predecessors, (166), 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) [2024-12-01 23:08:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:00,562 INFO L93 Difference]: Finished difference Result 3665 states and 5284 transitions. [2024-12-01 23:08:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-01 23:08:00,563 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.736842105263158) internal successors, (166), 19 states have internal predecessors, (166), 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 [2024-12-01 23:08:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:00,569 INFO L225 Difference]: With dead ends: 3665 [2024-12-01 23:08:00,570 INFO L226 Difference]: Without dead ends: 3195 [2024-12-01 23:08:00,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=545, Invalid=2535, Unknown=0, NotChecked=0, Total=3080 [2024-12-01 23:08:00,573 INFO L435 NwaCegarLoop]: 1499 mSDtfsCounter, 14347 mSDsluCounter, 7682 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14347 SdHoareTripleChecker+Valid, 9181 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:00,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14347 Valid, 9181 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:08:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2024-12-01 23:08:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 3161. [2024-12-01 23:08:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 3159 states have (on average 1.4102564102564104) internal successors, (4455), 3160 states have internal predecessors, (4455), 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) [2024-12-01 23:08:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 4455 transitions. [2024-12-01 23:08:00,697 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 4455 transitions. Word has length 61 [2024-12-01 23:08:00,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:00,697 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 4455 transitions. [2024-12-01 23:08:00,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.736842105263158) internal successors, (166), 19 states have internal predecessors, (166), 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) [2024-12-01 23:08:00,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 4455 transitions. [2024-12-01 23:08:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:08:00,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:00,698 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:00,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:08:00,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:00,899 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:00,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:00,900 INFO L85 PathProgramCache]: Analyzing trace with hash 459765187, now seen corresponding path program 1 times [2024-12-01 23:08:00,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:00,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781372893] [2024-12-01 23:08:00,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:02,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781372893] [2024-12-01 23:08:02,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781372893] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974935228] [2024-12-01 23:08:02,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:02,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:02,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:02,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:02,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:08:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:02,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:08:02,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:03,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:03,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974935228] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:03,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:03,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 25 [2024-12-01 23:08:03,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11523930] [2024-12-01 23:08:03,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:03,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-01 23:08:03,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:03,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-01 23:08:03,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2024-12-01 23:08:03,555 INFO L87 Difference]: Start difference. First operand 3161 states and 4455 transitions. Second operand has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 25 states have internal predecessors, (150), 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) [2024-12-01 23:08:04,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:04,077 INFO L93 Difference]: Finished difference Result 7268 states and 9645 transitions. [2024-12-01 23:08:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-01 23:08:04,077 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 25 states have internal predecessors, (150), 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 [2024-12-01 23:08:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:04,085 INFO L225 Difference]: With dead ends: 7268 [2024-12-01 23:08:04,085 INFO L226 Difference]: Without dead ends: 5309 [2024-12-01 23:08:04,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=287, Invalid=1045, Unknown=0, NotChecked=0, Total=1332 [2024-12-01 23:08:04,087 INFO L435 NwaCegarLoop]: 1495 mSDtfsCounter, 15169 mSDsluCounter, 3263 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15169 SdHoareTripleChecker+Valid, 4758 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:04,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15169 Valid, 4758 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:08:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2024-12-01 23:08:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5243. [2024-12-01 23:08:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 5241 states have (on average 1.3325701202060676) internal successors, (6984), 5242 states have internal predecessors, (6984), 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) [2024-12-01 23:08:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 6984 transitions. [2024-12-01 23:08:04,234 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 6984 transitions. Word has length 62 [2024-12-01 23:08:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:04,235 INFO L471 AbstractCegarLoop]: Abstraction has 5243 states and 6984 transitions. [2024-12-01 23:08:04,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 25 states have internal predecessors, (150), 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) [2024-12-01 23:08:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 6984 transitions. [2024-12-01 23:08:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-01 23:08:04,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:04,236 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:04,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:08:04,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:04,436 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:04,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:04,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1147902773, now seen corresponding path program 1 times [2024-12-01 23:08:04,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:04,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084379311] [2024-12-01 23:08:04,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:04,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084379311] [2024-12-01 23:08:04,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084379311] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252095661] [2024-12-01 23:08:04,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:04,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:04,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:04,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:08:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:04,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-01 23:08:04,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:05,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:06,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252095661] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:06,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:06,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 32 [2024-12-01 23:08:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681416298] [2024-12-01 23:08:06,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:06,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-01 23:08:06,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:06,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-01 23:08:06,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2024-12-01 23:08:06,334 INFO L87 Difference]: Start difference. First operand 5243 states and 6984 transitions. Second operand has 32 states, 32 states have (on average 4.9375) internal successors, (158), 32 states have internal predecessors, (158), 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) [2024-12-01 23:08:09,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:09,102 INFO L93 Difference]: Finished difference Result 13264 states and 17044 transitions. [2024-12-01 23:08:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-12-01 23:08:09,102 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.9375) internal successors, (158), 32 states have internal predecessors, (158), 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 [2024-12-01 23:08:09,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:09,114 INFO L225 Difference]: With dead ends: 13264 [2024-12-01 23:08:09,114 INFO L226 Difference]: Without dead ends: 9304 [2024-12-01 23:08:09,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1214, Invalid=5592, Unknown=0, NotChecked=0, Total=6806 [2024-12-01 23:08:09,119 INFO L435 NwaCegarLoop]: 1508 mSDtfsCounter, 13920 mSDsluCounter, 14047 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13920 SdHoareTripleChecker+Valid, 15555 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:09,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13920 Valid, 15555 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:08:09,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9304 states. [2024-12-01 23:08:09,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9304 to 5902. [2024-12-01 23:08:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5902 states, 5900 states have (on average 1.3220338983050848) internal successors, (7800), 5901 states have internal predecessors, (7800), 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) [2024-12-01 23:08:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5902 states to 5902 states and 7800 transitions. [2024-12-01 23:08:09,244 INFO L78 Accepts]: Start accepts. Automaton has 5902 states and 7800 transitions. Word has length 62 [2024-12-01 23:08:09,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:09,244 INFO L471 AbstractCegarLoop]: Abstraction has 5902 states and 7800 transitions. [2024-12-01 23:08:09,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.9375) internal successors, (158), 32 states have internal predecessors, (158), 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) [2024-12-01 23:08:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5902 states and 7800 transitions. [2024-12-01 23:08:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-01 23:08:09,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:09,245 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:09,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 23:08:09,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-01 23:08:09,446 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:09,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:09,446 INFO L85 PathProgramCache]: Analyzing trace with hash 807603108, now seen corresponding path program 1 times [2024-12-01 23:08:09,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:09,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177867747] [2024-12-01 23:08:09,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:09,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:09,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177867747] [2024-12-01 23:08:09,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177867747] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:09,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441633011] [2024-12-01 23:08:09,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:09,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:09,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:09,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 23:08:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:09,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-01 23:08:09,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:10,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441633011] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:11,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:11,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 26 [2024-12-01 23:08:11,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171709294] [2024-12-01 23:08:11,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:11,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-01 23:08:11,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:11,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-01 23:08:11,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:08:11,865 INFO L87 Difference]: Start difference. First operand 5902 states and 7800 transitions. Second operand has 27 states, 27 states have (on average 6.111111111111111) internal successors, (165), 26 states have internal predecessors, (165), 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) [2024-12-01 23:08:13,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:13,477 INFO L93 Difference]: Finished difference Result 12552 states and 16103 transitions. [2024-12-01 23:08:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-01 23:08:13,477 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.111111111111111) internal successors, (165), 26 states have internal predecessors, (165), 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 [2024-12-01 23:08:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:13,488 INFO L225 Difference]: With dead ends: 12552 [2024-12-01 23:08:13,488 INFO L226 Difference]: Without dead ends: 8238 [2024-12-01 23:08:13,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=637, Invalid=2015, Unknown=0, NotChecked=0, Total=2652 [2024-12-01 23:08:13,492 INFO L435 NwaCegarLoop]: 1514 mSDtfsCounter, 21567 mSDsluCounter, 7866 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21567 SdHoareTripleChecker+Valid, 9380 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:13,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21567 Valid, 9380 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-01 23:08:13,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8238 states. [2024-12-01 23:08:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8238 to 7814. [2024-12-01 23:08:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7814 states, 7812 states have (on average 1.290962621607783) internal successors, (10085), 7813 states have internal predecessors, (10085), 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) [2024-12-01 23:08:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 10085 transitions. [2024-12-01 23:08:13,777 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 10085 transitions. Word has length 63 [2024-12-01 23:08:13,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:13,777 INFO L471 AbstractCegarLoop]: Abstraction has 7814 states and 10085 transitions. [2024-12-01 23:08:13,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.111111111111111) internal successors, (165), 26 states have internal predecessors, (165), 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) [2024-12-01 23:08:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 10085 transitions. [2024-12-01 23:08:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-01 23:08:13,778 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:13,778 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:13,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-01 23:08:13,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:13,979 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:13,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1786741782, now seen corresponding path program 1 times [2024-12-01 23:08:13,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:13,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296263428] [2024-12-01 23:08:13,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:15,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:15,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296263428] [2024-12-01 23:08:15,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296263428] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:15,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284255871] [2024-12-01 23:08:15,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:15,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:15,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:15,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 23:08:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:15,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-01 23:08:15,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:18,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:19,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284255871] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:19,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:19,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 15] total 51 [2024-12-01 23:08:19,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7335747] [2024-12-01 23:08:19,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:19,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-12-01 23:08:19,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:19,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-12-01 23:08:19,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=2308, Unknown=0, NotChecked=0, Total=2550 [2024-12-01 23:08:19,977 INFO L87 Difference]: Start difference. First operand 7814 states and 10085 transitions. Second operand has 51 states, 51 states have (on average 3.411764705882353) internal successors, (174), 51 states have internal predecessors, (174), 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) [2024-12-01 23:08:41,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:41,487 INFO L93 Difference]: Finished difference Result 14540 states and 18342 transitions. [2024-12-01 23:08:41,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-12-01 23:08:41,488 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.411764705882353) internal successors, (174), 51 states have internal predecessors, (174), 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 [2024-12-01 23:08:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:41,496 INFO L225 Difference]: With dead ends: 14540 [2024-12-01 23:08:41,496 INFO L226 Difference]: Without dead ends: 11701 [2024-12-01 23:08:41,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5729 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=4031, Invalid=15991, Unknown=0, NotChecked=0, Total=20022 [2024-12-01 23:08:41,501 INFO L435 NwaCegarLoop]: 1536 mSDtfsCounter, 31060 mSDsluCounter, 23922 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31060 SdHoareTripleChecker+Valid, 25458 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:41,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31060 Valid, 25458 Invalid, 2601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-01 23:08:41,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11701 states. [2024-12-01 23:08:41,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11701 to 9885. [2024-12-01 23:08:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9885 states, 9883 states have (on average 1.2800768997268035) internal successors, (12651), 9884 states have internal predecessors, (12651), 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) [2024-12-01 23:08:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9885 states to 9885 states and 12651 transitions. [2024-12-01 23:08:41,989 INFO L78 Accepts]: Start accepts. Automaton has 9885 states and 12651 transitions. Word has length 63 [2024-12-01 23:08:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:41,990 INFO L471 AbstractCegarLoop]: Abstraction has 9885 states and 12651 transitions. [2024-12-01 23:08:41,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.411764705882353) internal successors, (174), 51 states have internal predecessors, (174), 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) [2024-12-01 23:08:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 9885 states and 12651 transitions. [2024-12-01 23:08:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-01 23:08:41,992 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:41,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:42,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 23:08:42,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:42,194 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:42,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash 532152701, now seen corresponding path program 1 times [2024-12-01 23:08:42,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:42,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44472532] [2024-12-01 23:08:42,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:42,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44472532] [2024-12-01 23:08:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44472532] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777141078] [2024-12-01 23:08:43,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:43,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:43,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:43,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-01 23:08:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:43,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-01 23:08:43,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:44,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:45,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777141078] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:45,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:45,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 34 [2024-12-01 23:08:45,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065540763] [2024-12-01 23:08:45,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:45,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-01 23:08:45,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:45,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-01 23:08:45,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=985, Unknown=0, NotChecked=0, Total=1122 [2024-12-01 23:08:45,494 INFO L87 Difference]: Start difference. First operand 9885 states and 12651 transitions. Second operand has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 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) [2024-12-01 23:08:48,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:08:48,757 INFO L93 Difference]: Finished difference Result 13383 states and 16928 transitions. [2024-12-01 23:08:48,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-01 23:08:48,758 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-12-01 23:08:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:08:48,764 INFO L225 Difference]: With dead ends: 13383 [2024-12-01 23:08:48,764 INFO L226 Difference]: Without dead ends: 9572 [2024-12-01 23:08:48,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=822, Invalid=2960, Unknown=0, NotChecked=0, Total=3782 [2024-12-01 23:08:48,769 INFO L435 NwaCegarLoop]: 1517 mSDtfsCounter, 12926 mSDsluCounter, 18505 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12926 SdHoareTripleChecker+Valid, 20022 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-01 23:08:48,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12926 Valid, 20022 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-01 23:08:48,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9572 states. [2024-12-01 23:08:49,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9572 to 7954. [2024-12-01 23:08:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7954 states, 7952 states have (on average 1.2870975855130784) internal successors, (10235), 7953 states have internal predecessors, (10235), 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) [2024-12-01 23:08:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7954 states to 7954 states and 10235 transitions. [2024-12-01 23:08:49,085 INFO L78 Accepts]: Start accepts. Automaton has 7954 states and 10235 transitions. Word has length 64 [2024-12-01 23:08:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:08:49,085 INFO L471 AbstractCegarLoop]: Abstraction has 7954 states and 10235 transitions. [2024-12-01 23:08:49,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.0) internal successors, (170), 34 states have internal predecessors, (170), 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) [2024-12-01 23:08:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 7954 states and 10235 transitions. [2024-12-01 23:08:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-01 23:08:49,086 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:08:49,086 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:08:49,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-01 23:08:49,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:49,287 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:08:49,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:08:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1624666796, now seen corresponding path program 1 times [2024-12-01 23:08:49,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:08:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053111753] [2024-12-01 23:08:49,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:08:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:50,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:08:50,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053111753] [2024-12-01 23:08:50,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053111753] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:08:50,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647679359] [2024-12-01 23:08:50,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:08:50,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:08:50,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:08:50,963 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:08:50,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-01 23:08:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:08:51,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-01 23:08:51,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:08:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:51,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:08:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:08:52,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647679359] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:08:52,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:08:52,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 12] total 42 [2024-12-01 23:08:52,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49334890] [2024-12-01 23:08:52,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:08:52,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-12-01 23:08:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:08:52,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-12-01 23:08:52,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1593, Unknown=0, NotChecked=0, Total=1722 [2024-12-01 23:08:52,944 INFO L87 Difference]: Start difference. First operand 7954 states and 10235 transitions. Second operand has 42 states, 42 states have (on average 3.880952380952381) internal successors, (163), 42 states have internal predecessors, (163), 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) [2024-12-01 23:09:03,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:03,217 INFO L93 Difference]: Finished difference Result 21864 states and 27285 transitions. [2024-12-01 23:09:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-12-01 23:09:03,218 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 3.880952380952381) internal successors, (163), 42 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-12-01 23:09:03,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:03,233 INFO L225 Difference]: With dead ends: 21864 [2024-12-01 23:09:03,233 INFO L226 Difference]: Without dead ends: 17433 [2024-12-01 23:09:03,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2605 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=2435, Invalid=9121, Unknown=0, NotChecked=0, Total=11556 [2024-12-01 23:09:03,242 INFO L435 NwaCegarLoop]: 1583 mSDtfsCounter, 15308 mSDsluCounter, 30777 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15308 SdHoareTripleChecker+Valid, 32360 SdHoareTripleChecker+Invalid, 3015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:03,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15308 Valid, 32360 Invalid, 3015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-01 23:09:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17433 states. [2024-12-01 23:09:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17433 to 5111. [2024-12-01 23:09:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5111 states, 5109 states have (on average 1.3278528087688393) internal successors, (6784), 5110 states have internal predecessors, (6784), 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) [2024-12-01 23:09:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 5111 states and 6784 transitions. [2024-12-01 23:09:03,623 INFO L78 Accepts]: Start accepts. Automaton has 5111 states and 6784 transitions. Word has length 65 [2024-12-01 23:09:03,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:03,623 INFO L471 AbstractCegarLoop]: Abstraction has 5111 states and 6784 transitions. [2024-12-01 23:09:03,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.880952380952381) internal successors, (163), 42 states have internal predecessors, (163), 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) [2024-12-01 23:09:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 6784 transitions. [2024-12-01 23:09:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-01 23:09:03,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:03,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:03,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-01 23:09:03,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:03,825 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:03,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:03,825 INFO L85 PathProgramCache]: Analyzing trace with hash -872597037, now seen corresponding path program 1 times [2024-12-01 23:09:03,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:03,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062202735] [2024-12-01 23:09:03,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:03,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:03,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062202735] [2024-12-01 23:09:03,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062202735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:09:03,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:09:03,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:09:03,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887847574] [2024-12-01 23:09:03,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:09:03,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:09:03,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:03,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:09:03,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:09:03,920 INFO L87 Difference]: Start difference. First operand 5111 states and 6784 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:09:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:09,510 INFO L93 Difference]: Finished difference Result 7366 states and 11093 transitions. [2024-12-01 23:09:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:09:09,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-12-01 23:09:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:09,514 INFO L225 Difference]: With dead ends: 7366 [2024-12-01 23:09:09,514 INFO L226 Difference]: Without dead ends: 6613 [2024-12-01 23:09:09,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:09:09,516 INFO L435 NwaCegarLoop]: 765 mSDtfsCounter, 2329 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5154 mSolverCounterSat, 1245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 6399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 5154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:09,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 783 Invalid, 6399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1245 Valid, 5154 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-12-01 23:09:09,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2024-12-01 23:09:09,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 6613. [2024-12-01 23:09:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6613 states, 6611 states have (on average 1.325064286794736) internal successors, (8760), 6612 states have internal predecessors, (8760), 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) [2024-12-01 23:09:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6613 states to 6613 states and 8760 transitions. [2024-12-01 23:09:09,767 INFO L78 Accepts]: Start accepts. Automaton has 6613 states and 8760 transitions. Word has length 67 [2024-12-01 23:09:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:09,767 INFO L471 AbstractCegarLoop]: Abstraction has 6613 states and 8760 transitions. [2024-12-01 23:09:09,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:09:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6613 states and 8760 transitions. [2024-12-01 23:09:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-01 23:09:09,768 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:09,769 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:09,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-01 23:09:09,769 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:09,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:09,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1065912349, now seen corresponding path program 1 times [2024-12-01 23:09:09,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:09,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887942795] [2024-12-01 23:09:09,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:09,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 31 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:10,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:10,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887942795] [2024-12-01 23:09:10,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887942795] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:09:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648710253] [2024-12-01 23:09:10,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:10,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:09:10,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-01 23:09:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:10,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-01 23:09:10,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:09:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 33 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:11,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:09:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 31 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648710253] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:09:12,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:09:12,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 26 [2024-12-01 23:09:12,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995167254] [2024-12-01 23:09:12,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:09:12,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-01 23:09:12,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:12,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-01 23:09:12,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:09:12,943 INFO L87 Difference]: Start difference. First operand 6613 states and 8760 transitions. Second operand has 27 states, 27 states have (on average 8.333333333333334) internal successors, (225), 26 states have internal predecessors, (225), 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) [2024-12-01 23:09:14,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:14,259 INFO L93 Difference]: Finished difference Result 16183 states and 20688 transitions. [2024-12-01 23:09:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-01 23:09:14,259 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.333333333333334) internal successors, (225), 26 states have internal predecessors, (225), 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 103 [2024-12-01 23:09:14,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:14,266 INFO L225 Difference]: With dead ends: 16183 [2024-12-01 23:09:14,266 INFO L226 Difference]: Without dead ends: 12184 [2024-12-01 23:09:14,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=381, Invalid=1341, Unknown=0, NotChecked=0, Total=1722 [2024-12-01 23:09:14,270 INFO L435 NwaCegarLoop]: 1516 mSDtfsCounter, 13398 mSDsluCounter, 9224 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13398 SdHoareTripleChecker+Valid, 10740 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:14,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13398 Valid, 10740 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:09:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12184 states. [2024-12-01 23:09:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12184 to 11364. [2024-12-01 23:09:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11364 states, 11362 states have (on average 1.2750396057032212) internal successors, (14487), 11363 states have internal predecessors, (14487), 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) [2024-12-01 23:09:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11364 states to 11364 states and 14487 transitions. [2024-12-01 23:09:14,883 INFO L78 Accepts]: Start accepts. Automaton has 11364 states and 14487 transitions. Word has length 103 [2024-12-01 23:09:14,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:14,883 INFO L471 AbstractCegarLoop]: Abstraction has 11364 states and 14487 transitions. [2024-12-01 23:09:14,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.333333333333334) internal successors, (225), 26 states have internal predecessors, (225), 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) [2024-12-01 23:09:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 11364 states and 14487 transitions. [2024-12-01 23:09:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-01 23:09:14,885 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:14,885 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:14,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-01 23:09:15,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:15,086 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:15,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:15,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1754049935, now seen corresponding path program 1 times [2024-12-01 23:09:15,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:15,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451910318] [2024-12-01 23:09:15,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:15,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:15,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451910318] [2024-12-01 23:09:15,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451910318] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:09:15,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868306678] [2024-12-01 23:09:15,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:15,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:15,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:15,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:09:15,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-01 23:09:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:15,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-01 23:09:15,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:09:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 38 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:16,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:09:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:18,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868306678] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:09:18,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:09:18,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 26 [2024-12-01 23:09:18,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429048764] [2024-12-01 23:09:18,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:09:18,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-01 23:09:18,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:18,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-01 23:09:18,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2024-12-01 23:09:18,145 INFO L87 Difference]: Start difference. First operand 11364 states and 14487 transitions. Second operand has 27 states, 27 states have (on average 8.037037037037036) internal successors, (217), 26 states have internal predecessors, (217), 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) [2024-12-01 23:09:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:19,310 INFO L93 Difference]: Finished difference Result 16074 states and 20251 transitions. [2024-12-01 23:09:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-01 23:09:19,311 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.037037037037036) internal successors, (217), 26 states have internal predecessors, (217), 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 103 [2024-12-01 23:09:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:19,318 INFO L225 Difference]: With dead ends: 16074 [2024-12-01 23:09:19,318 INFO L226 Difference]: Without dead ends: 10362 [2024-12-01 23:09:19,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=347, Invalid=1293, Unknown=0, NotChecked=0, Total=1640 [2024-12-01 23:09:19,322 INFO L435 NwaCegarLoop]: 1515 mSDtfsCounter, 11889 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11889 SdHoareTripleChecker+Valid, 9211 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:19,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11889 Valid, 9211 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:09:19,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10362 states. [2024-12-01 23:09:19,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10362 to 10270. [2024-12-01 23:09:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10270 states, 10268 states have (on average 1.2731788079470199) internal successors, (13073), 10269 states have internal predecessors, (13073), 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) [2024-12-01 23:09:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10270 states to 10270 states and 13073 transitions. [2024-12-01 23:09:19,895 INFO L78 Accepts]: Start accepts. Automaton has 10270 states and 13073 transitions. Word has length 103 [2024-12-01 23:09:19,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:19,896 INFO L471 AbstractCegarLoop]: Abstraction has 10270 states and 13073 transitions. [2024-12-01 23:09:19,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.037037037037036) internal successors, (217), 26 states have internal predecessors, (217), 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) [2024-12-01 23:09:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 10270 states and 13073 transitions. [2024-12-01 23:09:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-01 23:09:19,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:19,898 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:19,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-01 23:09:20,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-01 23:09:20,098 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:20,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:20,099 INFO L85 PathProgramCache]: Analyzing trace with hash 856710688, now seen corresponding path program 1 times [2024-12-01 23:09:20,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:20,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407640902] [2024-12-01 23:09:20,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:20,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-01 23:09:21,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407640902] [2024-12-01 23:09:21,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407640902] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:09:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827800587] [2024-12-01 23:09:21,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:21,154 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:09:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-01 23:09:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:21,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-01 23:09:21,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:09:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:22,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:09:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:26,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827800587] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:09:26,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:09:26,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 52 [2024-12-01 23:09:26,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881812310] [2024-12-01 23:09:26,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:09:26,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-12-01 23:09:26,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:26,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-12-01 23:09:26,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2423, Unknown=0, NotChecked=0, Total=2652 [2024-12-01 23:09:26,333 INFO L87 Difference]: Start difference. First operand 10270 states and 13073 transitions. Second operand has 52 states, 52 states have (on average 5.173076923076923) internal successors, (269), 52 states have internal predecessors, (269), 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) [2024-12-01 23:09:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:36,711 INFO L93 Difference]: Finished difference Result 15968 states and 19942 transitions. [2024-12-01 23:09:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-01 23:09:36,711 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 5.173076923076923) internal successors, (269), 52 states have internal predecessors, (269), 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 104 [2024-12-01 23:09:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:36,718 INFO L225 Difference]: With dead ends: 15968 [2024-12-01 23:09:36,718 INFO L226 Difference]: Without dead ends: 10438 [2024-12-01 23:09:36,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3017 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=1975, Invalid=10907, Unknown=0, NotChecked=0, Total=12882 [2024-12-01 23:09:36,722 INFO L435 NwaCegarLoop]: 1509 mSDtfsCounter, 23492 mSDsluCounter, 33484 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23492 SdHoareTripleChecker+Valid, 34993 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:36,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23492 Valid, 34993 Invalid, 2215 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [115 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-01 23:09:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10438 states. [2024-12-01 23:09:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10438 to 9954. [2024-12-01 23:09:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9954 states, 9952 states have (on average 1.276225884244373) internal successors, (12701), 9953 states have internal predecessors, (12701), 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) [2024-12-01 23:09:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9954 states to 9954 states and 12701 transitions. [2024-12-01 23:09:37,295 INFO L78 Accepts]: Start accepts. Automaton has 9954 states and 12701 transitions. Word has length 104 [2024-12-01 23:09:37,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:37,295 INFO L471 AbstractCegarLoop]: Abstraction has 9954 states and 12701 transitions. [2024-12-01 23:09:37,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.173076923076923) internal successors, (269), 52 states have internal predecessors, (269), 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) [2024-12-01 23:09:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9954 states and 12701 transitions. [2024-12-01 23:09:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-01 23:09:37,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:37,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:37,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-01 23:09:37,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-01 23:09:37,497 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:37,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash 15634770, now seen corresponding path program 1 times [2024-12-01 23:09:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:37,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565597807] [2024-12-01 23:09:37,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:37,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:38,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565597807] [2024-12-01 23:09:38,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565597807] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:09:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885162678] [2024-12-01 23:09:38,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:38,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:38,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:38,216 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:09:38,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-01 23:09:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:38,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-01 23:09:38,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:09:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 27 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:39,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:09:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885162678] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:09:42,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:09:42,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 33 [2024-12-01 23:09:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678106091] [2024-12-01 23:09:42,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:09:42,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-01 23:09:42,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:42,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-01 23:09:42,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2024-12-01 23:09:42,429 INFO L87 Difference]: Start difference. First operand 9954 states and 12701 transitions. Second operand has 33 states, 33 states have (on average 7.575757575757576) internal successors, (250), 33 states have internal predecessors, (250), 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) [2024-12-01 23:09:48,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:09:48,158 INFO L93 Difference]: Finished difference Result 21336 states and 26575 transitions. [2024-12-01 23:09:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-01 23:09:48,158 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 7.575757575757576) internal successors, (250), 33 states have internal predecessors, (250), 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 104 [2024-12-01 23:09:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:09:48,167 INFO L225 Difference]: With dead ends: 21336 [2024-12-01 23:09:48,168 INFO L226 Difference]: Without dead ends: 14260 [2024-12-01 23:09:48,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2952 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1986, Invalid=8726, Unknown=0, NotChecked=0, Total=10712 [2024-12-01 23:09:48,172 INFO L435 NwaCegarLoop]: 1623 mSDtfsCounter, 22757 mSDsluCounter, 16987 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22757 SdHoareTripleChecker+Valid, 18610 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:09:48,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22757 Valid, 18610 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-01 23:09:48,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14260 states. [2024-12-01 23:09:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14260 to 6134. [2024-12-01 23:09:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6134 states, 6132 states have (on average 1.3152315720808871) internal successors, (8065), 6133 states have internal predecessors, (8065), 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) [2024-12-01 23:09:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8065 transitions. [2024-12-01 23:09:48,551 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8065 transitions. Word has length 104 [2024-12-01 23:09:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:09:48,551 INFO L471 AbstractCegarLoop]: Abstraction has 6134 states and 8065 transitions. [2024-12-01 23:09:48,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.575757575757576) internal successors, (250), 33 states have internal predecessors, (250), 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) [2024-12-01 23:09:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8065 transitions. [2024-12-01 23:09:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-01 23:09:48,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:48,553 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:48,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-01 23:09:48,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-01 23:09:48,753 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:48,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:48,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1395528875, now seen corresponding path program 1 times [2024-12-01 23:09:48,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:09:48,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200573626] [2024-12-01 23:09:48,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:48,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:09:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:49,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:09:49,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200573626] [2024-12-01 23:09:49,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200573626] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:09:49,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851032918] [2024-12-01 23:09:49,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:49,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:09:49,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:49,687 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:09:49,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-01 23:09:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:09:49,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-01 23:09:49,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:09:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 35 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:51,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:09:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 35 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:09:54,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851032918] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:09:54,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:09:54,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 17] total 53 [2024-12-01 23:09:54,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179543337] [2024-12-01 23:09:54,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:09:54,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-12-01 23:09:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:09:54,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-12-01 23:09:54,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=2526, Unknown=0, NotChecked=0, Total=2756 [2024-12-01 23:09:54,526 INFO L87 Difference]: Start difference. First operand 6134 states and 8065 transitions. Second operand has 53 states, 53 states have (on average 5.377358490566038) internal successors, (285), 53 states have internal predecessors, (285), 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) [2024-12-01 23:10:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:10:35,618 INFO L93 Difference]: Finished difference Result 17177 states and 21242 transitions. [2024-12-01 23:10:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-12-01 23:10:35,618 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.377358490566038) internal successors, (285), 53 states have internal predecessors, (285), 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 105 [2024-12-01 23:10:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:10:35,629 INFO L225 Difference]: With dead ends: 17177 [2024-12-01 23:10:35,629 INFO L226 Difference]: Without dead ends: 15214 [2024-12-01 23:10:35,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24928 ImplicationChecksByTransitivity, 38.2s TimeCoverageRelationStatistics Valid=12162, Invalid=59930, Unknown=0, NotChecked=0, Total=72092 [2024-12-01 23:10:35,639 INFO L435 NwaCegarLoop]: 1601 mSDtfsCounter, 23571 mSDsluCounter, 39084 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23571 SdHoareTripleChecker+Valid, 40685 SdHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-01 23:10:35,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23571 Valid, 40685 Invalid, 3875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [221 Valid, 3654 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-01 23:10:35,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15214 states. [2024-12-01 23:10:36,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15214 to 12084. [2024-12-01 23:10:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12084 states, 12082 states have (on average 1.2565800364178117) internal successors, (15182), 12083 states have internal predecessors, (15182), 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) [2024-12-01 23:10:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12084 states to 12084 states and 15182 transitions. [2024-12-01 23:10:36,638 INFO L78 Accepts]: Start accepts. Automaton has 12084 states and 15182 transitions. Word has length 105 [2024-12-01 23:10:36,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:10:36,638 INFO L471 AbstractCegarLoop]: Abstraction has 12084 states and 15182 transitions. [2024-12-01 23:10:36,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.377358490566038) internal successors, (285), 53 states have internal predecessors, (285), 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) [2024-12-01 23:10:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12084 states and 15182 transitions. [2024-12-01 23:10:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-01 23:10:36,639 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:10:36,639 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:10:36,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-01 23:10:36,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-01 23:10:36,840 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:10:36,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:10:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1322155965, now seen corresponding path program 1 times [2024-12-01 23:10:36,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:10:36,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732837845] [2024-12-01 23:10:36,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:36,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:10:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 16 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:10:37,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:10:37,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732837845] [2024-12-01 23:10:37,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732837845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:10:37,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484648444] [2024-12-01 23:10:37,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:37,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:10:37,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:10:37,520 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:10:37,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-01 23:10:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:37,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-01 23:10:37,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:10:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 16 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:10:42,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:10:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 16 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:10:50,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484648444] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:10:50,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:10:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 32, 27] total 76 [2024-12-01 23:10:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305380681] [2024-12-01 23:10:50,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:10:50,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-12-01 23:10:50,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:10:50,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-12-01 23:10:50,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=627, Invalid=5073, Unknown=0, NotChecked=0, Total=5700 [2024-12-01 23:10:50,114 INFO L87 Difference]: Start difference. First operand 12084 states and 15182 transitions. Second operand has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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) [2024-12-01 23:11:24,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:24,823 INFO L93 Difference]: Finished difference Result 20090 states and 24956 transitions. [2024-12-01 23:11:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-12-01 23:11:24,824 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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 105 [2024-12-01 23:11:24,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:24,834 INFO L225 Difference]: With dead ends: 20090 [2024-12-01 23:11:24,834 INFO L226 Difference]: Without dead ends: 15952 [2024-12-01 23:11:24,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12702 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=6924, Invalid=33276, Unknown=0, NotChecked=0, Total=40200 [2024-12-01 23:11:24,839 INFO L435 NwaCegarLoop]: 1560 mSDtfsCounter, 25729 mSDsluCounter, 30298 mSDsCounter, 0 mSdLazyCounter, 3428 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25729 SdHoareTripleChecker+Valid, 31858 SdHoareTripleChecker+Invalid, 3591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:24,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25729 Valid, 31858 Invalid, 3591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [163 Valid, 3428 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-01 23:11:24,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15952 states. [2024-12-01 23:11:26,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15952 to 15181. [2024-12-01 23:11:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15181 states, 15179 states have (on average 1.244350747743593) internal successors, (18888), 15180 states have internal predecessors, (18888), 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) [2024-12-01 23:11:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15181 states to 15181 states and 18888 transitions. [2024-12-01 23:11:26,252 INFO L78 Accepts]: Start accepts. Automaton has 15181 states and 18888 transitions. Word has length 105 [2024-12-01 23:11:26,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:26,253 INFO L471 AbstractCegarLoop]: Abstraction has 15181 states and 18888 transitions. [2024-12-01 23:11:26,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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) [2024-12-01 23:11:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 15181 states and 18888 transitions. [2024-12-01 23:11:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-01 23:11:26,254 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:26,254 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:26,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-01 23:11:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-01 23:11:26,455 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:26,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:26,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1973850741, now seen corresponding path program 1 times [2024-12-01 23:11:26,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:26,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335018448] [2024-12-01 23:11:26,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:27,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:27,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335018448] [2024-12-01 23:11:27,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335018448] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:11:27,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996098739] [2024-12-01 23:11:27,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:27,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:27,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:27,490 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:11:27,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-01 23:11:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:27,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-01 23:11:27,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 34 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:29,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:11:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:32,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996098739] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:11:32,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:11:32,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 21] total 59 [2024-12-01 23:11:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797674631] [2024-12-01 23:11:32,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:11:32,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-12-01 23:11:32,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:32,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-12-01 23:11:32,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=3177, Unknown=0, NotChecked=0, Total=3422 [2024-12-01 23:11:32,854 INFO L87 Difference]: Start difference. First operand 15181 states and 18888 transitions. Second operand has 59 states, 59 states have (on average 4.915254237288136) internal successors, (290), 59 states have internal predecessors, (290), 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) [2024-12-01 23:11:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:50,664 INFO L93 Difference]: Finished difference Result 31457 states and 38318 transitions. [2024-12-01 23:11:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-01 23:11:50,664 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 4.915254237288136) internal successors, (290), 59 states have internal predecessors, (290), 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 105 [2024-12-01 23:11:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:50,679 INFO L225 Difference]: With dead ends: 31457 [2024-12-01 23:11:50,679 INFO L226 Difference]: Without dead ends: 23596 [2024-12-01 23:11:50,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5470 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=3809, Invalid=18541, Unknown=0, NotChecked=0, Total=22350 [2024-12-01 23:11:50,685 INFO L435 NwaCegarLoop]: 1619 mSDtfsCounter, 25780 mSDsluCounter, 40327 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25780 SdHoareTripleChecker+Valid, 41946 SdHoareTripleChecker+Invalid, 3537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:50,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25780 Valid, 41946 Invalid, 3537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [143 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-01 23:11:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23596 states. [2024-12-01 23:11:52,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23596 to 15203. [2024-12-01 23:11:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15203 states, 15201 states have (on average 1.2413656996250246) internal successors, (18870), 15202 states have internal predecessors, (18870), 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) [2024-12-01 23:11:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 18870 transitions. [2024-12-01 23:11:52,520 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 18870 transitions. Word has length 105 [2024-12-01 23:11:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:52,520 INFO L471 AbstractCegarLoop]: Abstraction has 15203 states and 18870 transitions. [2024-12-01 23:11:52,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.915254237288136) internal successors, (290), 59 states have internal predecessors, (290), 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) [2024-12-01 23:11:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 18870 transitions. [2024-12-01 23:11:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-01 23:11:52,521 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:52,521 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:52,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-01 23:11:52,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:52,722 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:52,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:52,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1775421751, now seen corresponding path program 1 times [2024-12-01 23:11:52,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:52,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291558098] [2024-12-01 23:11:52,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:52,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 22 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:53,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291558098] [2024-12-01 23:11:53,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291558098] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:11:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821664766] [2024-12-01 23:11:53,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:53,078 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:11:53,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-01 23:11:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:53,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-01 23:11:53,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 26 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:54,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:11:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:11:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821664766] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:11:57,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:11:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 17] total 44 [2024-12-01 23:11:57,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615367161] [2024-12-01 23:11:57,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:11:57,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-12-01 23:11:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:57,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-12-01 23:11:57,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1689, Unknown=0, NotChecked=0, Total=1892 [2024-12-01 23:11:57,384 INFO L87 Difference]: Start difference. First operand 15203 states and 18870 transitions. Second operand has 44 states, 44 states have (on average 6.545454545454546) internal successors, (288), 44 states have internal predecessors, (288), 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) [2024-12-01 23:12:06,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:06,119 INFO L93 Difference]: Finished difference Result 39918 states and 48669 transitions. [2024-12-01 23:12:06,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-01 23:12:06,119 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 6.545454545454546) internal successors, (288), 44 states have internal predecessors, (288), 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 107 [2024-12-01 23:12:06,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:06,138 INFO L225 Difference]: With dead ends: 39918 [2024-12-01 23:12:06,139 INFO L226 Difference]: Without dead ends: 30281 [2024-12-01 23:12:06,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3957 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=2529, Invalid=10811, Unknown=0, NotChecked=0, Total=13340 [2024-12-01 23:12:06,145 INFO L435 NwaCegarLoop]: 1573 mSDtfsCounter, 27638 mSDsluCounter, 21330 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27638 SdHoareTripleChecker+Valid, 22903 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:06,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27638 Valid, 22903 Invalid, 1968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [107 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-01 23:12:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30281 states. [2024-12-01 23:12:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30281 to 22750. [2024-12-01 23:12:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22750 states, 22748 states have (on average 1.2307895199577985) internal successors, (27998), 22749 states have internal predecessors, (27998), 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) [2024-12-01 23:12:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22750 states to 22750 states and 27998 transitions. [2024-12-01 23:12:08,894 INFO L78 Accepts]: Start accepts. Automaton has 22750 states and 27998 transitions. Word has length 107 [2024-12-01 23:12:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:08,894 INFO L471 AbstractCegarLoop]: Abstraction has 22750 states and 27998 transitions. [2024-12-01 23:12:08,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 6.545454545454546) internal successors, (288), 44 states have internal predecessors, (288), 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) [2024-12-01 23:12:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22750 states and 27998 transitions. [2024-12-01 23:12:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-01 23:12:08,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:08,896 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:08,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-01 23:12:09,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:09,096 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:09,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:09,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2088015337, now seen corresponding path program 1 times [2024-12-01 23:12:09,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:09,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36293716] [2024-12-01 23:12:09,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 24 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:09,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:09,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36293716] [2024-12-01 23:12:09,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36293716] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:09,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662750251] [2024-12-01 23:12:09,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:09,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:09,618 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:09,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-01 23:12:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:09,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:12:09,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 50 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:10,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:12:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 41 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:12,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662750251] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:12:12,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:12:12,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 12] total 40 [2024-12-01 23:12:12,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229531086] [2024-12-01 23:12:12,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:12:12,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-01 23:12:12,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:12,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-01 23:12:12,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2024-12-01 23:12:12,034 INFO L87 Difference]: Start difference. First operand 22750 states and 27998 transitions. Second operand has 40 states, 40 states have (on average 7.3) internal successors, (292), 40 states have internal predecessors, (292), 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) [2024-12-01 23:12:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:17,822 INFO L93 Difference]: Finished difference Result 50479 states and 61381 transitions. [2024-12-01 23:12:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-01 23:12:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 7.3) internal successors, (292), 40 states have internal predecessors, (292), 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 107 [2024-12-01 23:12:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:17,847 INFO L225 Difference]: With dead ends: 50479 [2024-12-01 23:12:17,847 INFO L226 Difference]: Without dead ends: 35186 [2024-12-01 23:12:17,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=972, Invalid=4140, Unknown=0, NotChecked=0, Total=5112 [2024-12-01 23:12:17,856 INFO L435 NwaCegarLoop]: 1571 mSDtfsCounter, 24076 mSDsluCounter, 17814 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24076 SdHoareTripleChecker+Valid, 19385 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:17,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24076 Valid, 19385 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-01 23:12:17,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35186 states. [2024-12-01 23:12:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35186 to 28059. [2024-12-01 23:12:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28059 states, 28057 states have (on average 1.2204440959475353) internal successors, (34242), 28058 states have internal predecessors, (34242), 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) [2024-12-01 23:12:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28059 states to 28059 states and 34242 transitions. [2024-12-01 23:12:21,490 INFO L78 Accepts]: Start accepts. Automaton has 28059 states and 34242 transitions. Word has length 107 [2024-12-01 23:12:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:21,491 INFO L471 AbstractCegarLoop]: Abstraction has 28059 states and 34242 transitions. [2024-12-01 23:12:21,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 7.3) internal successors, (292), 40 states have internal predecessors, (292), 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) [2024-12-01 23:12:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 28059 states and 34242 transitions. [2024-12-01 23:12:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-01 23:12:21,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:21,492 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:21,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-01 23:12:21,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:21,692 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:21,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash 117034249, now seen corresponding path program 1 times [2024-12-01 23:12:21,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:21,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814993512] [2024-12-01 23:12:21,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:21,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:23,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:23,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814993512] [2024-12-01 23:12:23,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814993512] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:23,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445559437] [2024-12-01 23:12:23,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:23,263 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:23,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-01 23:12:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:23,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-01 23:12:23,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:27,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:12:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:12:33,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445559437] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:12:33,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:12:33,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 23] total 77 [2024-12-01 23:12:33,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055075604] [2024-12-01 23:12:33,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:12:33,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-12-01 23:12:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:33,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-12-01 23:12:33,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=5434, Unknown=0, NotChecked=0, Total=5852 [2024-12-01 23:12:33,967 INFO L87 Difference]: Start difference. First operand 28059 states and 34242 transitions. Second operand has 77 states, 77 states have (on average 3.792207792207792) internal successors, (292), 77 states have internal predecessors, (292), 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) [2024-12-01 23:13:46,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:46,016 INFO L93 Difference]: Finished difference Result 50616 states and 61157 transitions. [2024-12-01 23:13:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-12-01 23:13:46,017 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.792207792207792) internal successors, (292), 77 states have internal predecessors, (292), 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 107 [2024-12-01 23:13:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:46,040 INFO L225 Difference]: With dead ends: 50616 [2024-12-01 23:13:46,040 INFO L226 Difference]: Without dead ends: 33033 [2024-12-01 23:13:46,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 166 SyntacticMatches, 2 SemanticMatches, 257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23641 ImplicationChecksByTransitivity, 66.1s TimeCoverageRelationStatistics Valid=9158, Invalid=57664, Unknown=0, NotChecked=0, Total=66822 [2024-12-01 23:13:46,049 INFO L435 NwaCegarLoop]: 1638 mSDtfsCounter, 29959 mSDsluCounter, 46731 mSDsCounter, 0 mSdLazyCounter, 5906 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29959 SdHoareTripleChecker+Valid, 48369 SdHoareTripleChecker+Invalid, 6105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 5906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:46,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29959 Valid, 48369 Invalid, 6105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [199 Valid, 5906 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-12-01 23:13:46,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33033 states. [2024-12-01 23:13:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33033 to 28354. [2024-12-01 23:13:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28354 states, 28352 states have (on average 1.2185031038374718) internal successors, (34547), 28353 states have internal predecessors, (34547), 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) [2024-12-01 23:13:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28354 states to 28354 states and 34547 transitions. [2024-12-01 23:13:49,964 INFO L78 Accepts]: Start accepts. Automaton has 28354 states and 34547 transitions. Word has length 107 [2024-12-01 23:13:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:49,965 INFO L471 AbstractCegarLoop]: Abstraction has 28354 states and 34547 transitions. [2024-12-01 23:13:49,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.792207792207792) internal successors, (292), 77 states have internal predecessors, (292), 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) [2024-12-01 23:13:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 28354 states and 34547 transitions. [2024-12-01 23:13:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-01 23:13:49,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:49,966 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:49,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-12-01 23:13:50,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-12-01 23:13:50,166 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:50,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1360080118, now seen corresponding path program 1 times [2024-12-01 23:13:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242581559] [2024-12-01 23:13:50,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:51,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:51,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242581559] [2024-12-01 23:13:51,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242581559] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:51,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142626415] [2024-12-01 23:13:51,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:51,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:51,273 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:51,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-01 23:13:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:51,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-01 23:13:51,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:54,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:14:02,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142626415] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:02,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:02,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 27, 28] total 76 [2024-12-01 23:14:02,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764428766] [2024-12-01 23:14:02,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:02,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-12-01 23:14:02,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:02,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-12-01 23:14:02,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=658, Invalid=5042, Unknown=0, NotChecked=0, Total=5700 [2024-12-01 23:14:02,729 INFO L87 Difference]: Start difference. First operand 28354 states and 34547 transitions. Second operand has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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) [2024-12-01 23:14:57,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:57,384 INFO L93 Difference]: Finished difference Result 50377 states and 60839 transitions. [2024-12-01 23:14:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-01 23:14:57,384 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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 108 [2024-12-01 23:14:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:57,407 INFO L225 Difference]: With dead ends: 50377 [2024-12-01 23:14:57,407 INFO L226 Difference]: Without dead ends: 33041 [2024-12-01 23:14:57,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18130 ImplicationChecksByTransitivity, 50.5s TimeCoverageRelationStatistics Valid=9606, Invalid=46326, Unknown=0, NotChecked=0, Total=55932 [2024-12-01 23:14:57,421 INFO L435 NwaCegarLoop]: 1557 mSDtfsCounter, 40698 mSDsluCounter, 33317 mSDsCounter, 0 mSdLazyCounter, 3634 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40698 SdHoareTripleChecker+Valid, 34874 SdHoareTripleChecker+Invalid, 3840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 3634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:57,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40698 Valid, 34874 Invalid, 3840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [206 Valid, 3634 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-01 23:14:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33041 states. [2024-12-01 23:15:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33041 to 27217. [2024-12-01 23:15:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27217 states, 27215 states have (on average 1.2206871210729378) internal successors, (33221), 27216 states have internal predecessors, (33221), 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) [2024-12-01 23:15:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27217 states to 27217 states and 33221 transitions. [2024-12-01 23:15:01,341 INFO L78 Accepts]: Start accepts. Automaton has 27217 states and 33221 transitions. Word has length 108 [2024-12-01 23:15:01,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:01,341 INFO L471 AbstractCegarLoop]: Abstraction has 27217 states and 33221 transitions. [2024-12-01 23:15:01,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.9473684210526314) internal successors, (300), 76 states have internal predecessors, (300), 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) [2024-12-01 23:15:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 27217 states and 33221 transitions. [2024-12-01 23:15:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-01 23:15:01,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:01,342 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:01,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-12-01 23:15:01,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-12-01 23:15:01,543 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:15:01,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:01,543 INFO L85 PathProgramCache]: Analyzing trace with hash 896728914, now seen corresponding path program 1 times [2024-12-01 23:15:01,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:01,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101630546] [2024-12-01 23:15:01,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:15:02,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:02,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101630546] [2024-12-01 23:15:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101630546] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:15:02,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135285683] [2024-12-01 23:15:02,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:15:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:15:02,887 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:15:02,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-01 23:15:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:03,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-01 23:15:03,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:15:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:15:05,995 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:15:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:15:12,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135285683] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:15:12,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:15:12,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 26] total 75 [2024-12-01 23:15:12,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415573476] [2024-12-01 23:15:12,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:15:12,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-12-01 23:15:12,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:12,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-12-01 23:15:12,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=5136, Unknown=0, NotChecked=0, Total=5550 [2024-12-01 23:15:12,181 INFO L87 Difference]: Start difference. First operand 27217 states and 33221 transitions. Second operand has 75 states, 75 states have (on average 3.84) internal successors, (288), 75 states have internal predecessors, (288), 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) [2024-12-01 23:16:27,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:16:27,339 INFO L93 Difference]: Finished difference Result 39147 states and 47449 transitions. [2024-12-01 23:16:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-12-01 23:16:27,339 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 75 states have (on average 3.84) internal successors, (288), 75 states have internal predecessors, (288), 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 108 [2024-12-01 23:16:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:16:27,363 INFO L225 Difference]: With dead ends: 39147 [2024-12-01 23:16:27,364 INFO L226 Difference]: Without dead ends: 30631 [2024-12-01 23:16:27,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21772 ImplicationChecksByTransitivity, 69.8s TimeCoverageRelationStatistics Valid=9343, Invalid=57997, Unknown=0, NotChecked=0, Total=67340 [2024-12-01 23:16:27,373 INFO L435 NwaCegarLoop]: 1564 mSDtfsCounter, 39954 mSDsluCounter, 36268 mSDsCounter, 0 mSdLazyCounter, 4035 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39954 SdHoareTripleChecker+Valid, 37832 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 4035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:16:27,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39954 Valid, 37832 Invalid, 4263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [228 Valid, 4035 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:16:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30631 states. [2024-12-01 23:16:31,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30631 to 27815. [2024-12-01 23:16:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27815 states, 27813 states have (on average 1.2187106748642722) internal successors, (33896), 27814 states have internal predecessors, (33896), 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) [2024-12-01 23:16:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27815 states to 27815 states and 33896 transitions. [2024-12-01 23:16:31,771 INFO L78 Accepts]: Start accepts. Automaton has 27815 states and 33896 transitions. Word has length 108 [2024-12-01 23:16:31,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:16:31,771 INFO L471 AbstractCegarLoop]: Abstraction has 27815 states and 33896 transitions. [2024-12-01 23:16:31,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.84) internal successors, (288), 75 states have internal predecessors, (288), 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) [2024-12-01 23:16:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27815 states and 33896 transitions. [2024-12-01 23:16:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-01 23:16:31,772 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:16:31,772 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:16:31,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-12-01 23:16:31,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:16:31,973 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:16:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:16:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1964330765, now seen corresponding path program 1 times [2024-12-01 23:16:31,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:16:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723649538] [2024-12-01 23:16:31,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:16:31,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:16:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:16:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:16:33,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:16:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723649538] [2024-12-01 23:16:33,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723649538] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:16:33,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718795834] [2024-12-01 23:16:33,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:16:33,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:16:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:16:33,366 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:16:33,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-01 23:16:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:16:33,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-01 23:16:33,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:16:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:16:39,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:16:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:16:43,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718795834] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:16:43,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:16:43,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 73 [2024-12-01 23:16:43,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934775454] [2024-12-01 23:16:43,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:16:43,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-12-01 23:16:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:16:43,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-12-01 23:16:43,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=4884, Unknown=0, NotChecked=0, Total=5256 [2024-12-01 23:16:43,855 INFO L87 Difference]: Start difference. First operand 27815 states and 33896 transitions. Second operand has 73 states, 73 states have (on average 4.232876712328767) internal successors, (309), 73 states have internal predecessors, (309), 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) [2024-12-01 23:17:38,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:17:38,829 INFO L93 Difference]: Finished difference Result 48452 states and 58631 transitions. [2024-12-01 23:17:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-12-01 23:17:38,830 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 4.232876712328767) internal successors, (309), 73 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-12-01 23:17:38,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:17:38,852 INFO L225 Difference]: With dead ends: 48452 [2024-12-01 23:17:38,852 INFO L226 Difference]: Without dead ends: 29952 [2024-12-01 23:17:38,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11546 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=5041, Invalid=37601, Unknown=0, NotChecked=0, Total=42642 [2024-12-01 23:17:38,863 INFO L435 NwaCegarLoop]: 1610 mSDtfsCounter, 33029 mSDsluCounter, 41412 mSDsCounter, 0 mSdLazyCounter, 5087 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33029 SdHoareTripleChecker+Valid, 43022 SdHoareTripleChecker+Invalid, 5327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 5087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:17:38,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33029 Valid, 43022 Invalid, 5327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [240 Valid, 5087 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-12-01 23:17:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29952 states. [2024-12-01 23:17:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29952 to 23960. [2024-12-01 23:17:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23960 states, 23958 states have (on average 1.2248100843142165) internal successors, (29344), 23959 states have internal predecessors, (29344), 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) [2024-12-01 23:17:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23960 states to 23960 states and 29344 transitions. [2024-12-01 23:17:43,008 INFO L78 Accepts]: Start accepts. Automaton has 23960 states and 29344 transitions. Word has length 109 [2024-12-01 23:17:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:17:43,008 INFO L471 AbstractCegarLoop]: Abstraction has 23960 states and 29344 transitions. [2024-12-01 23:17:43,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.232876712328767) internal successors, (309), 73 states have internal predecessors, (309), 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) [2024-12-01 23:17:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 23960 states and 29344 transitions. [2024-12-01 23:17:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-01 23:17:43,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:17:43,009 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:17:43,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-12-01 23:17:43,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:17:43,210 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:17:43,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:17:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -391083059, now seen corresponding path program 1 times [2024-12-01 23:17:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:17:43,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726988291] [2024-12-01 23:17:43,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:17:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:17:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:17:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:17:43,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:17:43,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726988291] [2024-12-01 23:17:43,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726988291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:17:43,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:17:43,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:17:43,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561040101] [2024-12-01 23:17:43,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:17:43,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:17:43,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:17:43,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:17:43,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:17:43,312 INFO L87 Difference]: Start difference. First operand 23960 states and 29344 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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) [2024-12-01 23:17:51,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:17:51,046 INFO L93 Difference]: Finished difference Result 27754 states and 35449 transitions. [2024-12-01 23:17:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:17:51,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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 138 [2024-12-01 23:17:51,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:17:51,066 INFO L225 Difference]: With dead ends: 27754 [2024-12-01 23:17:51,066 INFO L226 Difference]: Without dead ends: 25462 [2024-12-01 23:17:51,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:17:51,071 INFO L435 NwaCegarLoop]: 763 mSDtfsCounter, 757 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-01 23:17:51,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 851 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-01 23:17:51,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25462 states. [2024-12-01 23:17:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25462 to 25462. [2024-12-01 23:17:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25462 states, 25460 states have (on average 1.2148075412411625) internal successors, (30929), 25461 states have internal predecessors, (30929), 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) [2024-12-01 23:17:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25462 states to 25462 states and 30929 transitions. [2024-12-01 23:17:55,095 INFO L78 Accepts]: Start accepts. Automaton has 25462 states and 30929 transitions. Word has length 138 [2024-12-01 23:17:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:17:55,095 INFO L471 AbstractCegarLoop]: Abstraction has 25462 states and 30929 transitions. [2024-12-01 23:17:55,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 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) [2024-12-01 23:17:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 25462 states and 30929 transitions. [2024-12-01 23:17:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-01 23:17:55,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:17:55,098 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:17:55,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-01 23:17:55,098 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:17:55,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:17:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash 289672907, now seen corresponding path program 1 times [2024-12-01 23:17:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:17:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111505598] [2024-12-01 23:17:55,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:17:55,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:17:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:17:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 37 proven. 190 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-01 23:17:55,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:17:55,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111505598] [2024-12-01 23:17:55,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111505598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:17:55,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972451892] [2024-12-01 23:17:55,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:17:55,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:17:55,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:17:55,535 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:17:55,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-01 23:17:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:17:55,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-01 23:17:55,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:17:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 37 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:17:58,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:18:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 37 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:18:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972451892] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:18:05,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:18:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 28, 27] total 59 [2024-12-01 23:18:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877444209] [2024-12-01 23:18:05,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:18:05,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-01 23:18:05,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:18:05,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-01 23:18:05,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=615, Invalid=2925, Unknown=0, NotChecked=0, Total=3540 [2024-12-01 23:18:05,173 INFO L87 Difference]: Start difference. First operand 25462 states and 30929 transitions. Second operand has 60 states, 60 states have (on average 6.05) internal successors, (363), 59 states have internal predecessors, (363), 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) [2024-12-01 23:18:14,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:14,874 INFO L93 Difference]: Finished difference Result 43147 states and 52507 transitions. [2024-12-01 23:18:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-12-01 23:18:14,875 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.05) internal successors, (363), 59 states have internal predecessors, (363), 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 146 [2024-12-01 23:18:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:14,899 INFO L225 Difference]: With dead ends: 43147 [2024-12-01 23:18:14,899 INFO L226 Difference]: Without dead ends: 32790 [2024-12-01 23:18:14,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3144 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2440, Invalid=9992, Unknown=0, NotChecked=0, Total=12432 [2024-12-01 23:18:14,906 INFO L435 NwaCegarLoop]: 1491 mSDtfsCounter, 28023 mSDsluCounter, 32702 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28023 SdHoareTripleChecker+Valid, 34193 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:14,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28023 Valid, 34193 Invalid, 2416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [83 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-01 23:18:14,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32790 states. [2024-12-01 23:18:18,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32790 to 20493. [2024-12-01 23:18:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20493 states, 20491 states have (on average 1.2098970279634962) internal successors, (24792), 20492 states have internal predecessors, (24792), 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) [2024-12-01 23:18:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20493 states to 20493 states and 24792 transitions. [2024-12-01 23:18:18,255 INFO L78 Accepts]: Start accepts. Automaton has 20493 states and 24792 transitions. Word has length 146 [2024-12-01 23:18:18,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:18,256 INFO L471 AbstractCegarLoop]: Abstraction has 20493 states and 24792 transitions. [2024-12-01 23:18:18,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.05) internal successors, (363), 59 states have internal predecessors, (363), 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) [2024-12-01 23:18:18,256 INFO L276 IsEmpty]: Start isEmpty. Operand 20493 states and 24792 transitions. [2024-12-01 23:18:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-01 23:18:18,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:18,258 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:18,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-01 23:18:18,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-12-01 23:18:18,458 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:18,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:18,459 INFO L85 PathProgramCache]: Analyzing trace with hash 283574013, now seen corresponding path program 1 times [2024-12-01 23:18:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:18:18,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005582442] [2024-12-01 23:18:18,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:18:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 55 proven. 182 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-01 23:18:19,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:18:19,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005582442] [2024-12-01 23:18:19,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005582442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:18:19,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143292927] [2024-12-01 23:18:19,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:19,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:18:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:18:19,126 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:18:19,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-01 23:18:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:19,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-01 23:18:19,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 50 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:18:21,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:18:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 44 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:18:26,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143292927] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:18:26,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:18:26,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 20] total 60 [2024-12-01 23:18:26,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260130945] [2024-12-01 23:18:26,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:18:26,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-01 23:18:26,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:18:26,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-01 23:18:26,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=3223, Unknown=0, NotChecked=0, Total=3540 [2024-12-01 23:18:26,934 INFO L87 Difference]: Start difference. First operand 20493 states and 24792 transitions. Second operand has 60 states, 60 states have (on average 6.833333333333333) internal successors, (410), 60 states have internal predecessors, (410), 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) [2024-12-01 23:18:52,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:52,771 INFO L93 Difference]: Finished difference Result 48727 states and 58288 transitions. [2024-12-01 23:18:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-12-01 23:18:52,771 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.833333333333333) internal successors, (410), 60 states have internal predecessors, (410), 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 146 [2024-12-01 23:18:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:52,796 INFO L225 Difference]: With dead ends: 48727 [2024-12-01 23:18:52,796 INFO L226 Difference]: Without dead ends: 35658 [2024-12-01 23:18:52,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8251 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=4683, Invalid=25419, Unknown=0, NotChecked=0, Total=30102 [2024-12-01 23:18:52,804 INFO L435 NwaCegarLoop]: 1481 mSDtfsCounter, 25718 mSDsluCounter, 27691 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25718 SdHoareTripleChecker+Valid, 29172 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:52,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25718 Valid, 29172 Invalid, 2211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [186 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-01 23:18:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35658 states. [2024-12-01 23:18:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35658 to 29484. [2024-12-01 23:18:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29484 states, 29482 states have (on average 1.195848314225629) internal successors, (35256), 29483 states have internal predecessors, (35256), 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) [2024-12-01 23:18:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29484 states to 29484 states and 35256 transitions. [2024-12-01 23:18:58,516 INFO L78 Accepts]: Start accepts. Automaton has 29484 states and 35256 transitions. Word has length 146 [2024-12-01 23:18:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:58,516 INFO L471 AbstractCegarLoop]: Abstraction has 29484 states and 35256 transitions. [2024-12-01 23:18:58,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.833333333333333) internal successors, (410), 60 states have internal predecessors, (410), 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) [2024-12-01 23:18:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 29484 states and 35256 transitions. [2024-12-01 23:18:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-01 23:18:58,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:58,517 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:58,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-01 23:18:58,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:18:58,718 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:58,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1346272192, now seen corresponding path program 1 times [2024-12-01 23:18:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:18:58,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532843245] [2024-12-01 23:18:58,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:18:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 145 proven. 73 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-01 23:18:59,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:18:59,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532843245] [2024-12-01 23:18:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532843245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:18:59,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816474050] [2024-12-01 23:18:59,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:18:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:18:59,988 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:18:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-01 23:19:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:19:00,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-01 23:19:00,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:19:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 37 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:19:02,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:19:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 37 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:19:05,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816474050] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:19:05,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:19:05,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 18] total 60 [2024-12-01 23:19:05,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681353418] [2024-12-01 23:19:05,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:19:05,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-01 23:19:05,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:19:05,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-01 23:19:05,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=3312, Unknown=0, NotChecked=0, Total=3540 [2024-12-01 23:19:05,724 INFO L87 Difference]: Start difference. First operand 29484 states and 35256 transitions. Second operand has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 60 states have internal predecessors, (404), 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) [2024-12-01 23:19:45,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:19:45,324 INFO L93 Difference]: Finished difference Result 46473 states and 55276 transitions. [2024-12-01 23:19:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-12-01 23:19:45,325 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 60 states have internal predecessors, (404), 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 147 [2024-12-01 23:19:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:19:45,349 INFO L225 Difference]: With dead ends: 46473 [2024-12-01 23:19:45,349 INFO L226 Difference]: Without dead ends: 29249 [2024-12-01 23:19:45,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16408 ImplicationChecksByTransitivity, 31.4s TimeCoverageRelationStatistics Valid=8009, Invalid=45583, Unknown=0, NotChecked=0, Total=53592 [2024-12-01 23:19:45,360 INFO L435 NwaCegarLoop]: 1647 mSDtfsCounter, 35856 mSDsluCounter, 40241 mSDsCounter, 0 mSdLazyCounter, 6169 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35856 SdHoareTripleChecker+Valid, 41888 SdHoareTripleChecker+Invalid, 6313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 6169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:19:45,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35856 Valid, 41888 Invalid, 6313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [144 Valid, 6169 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-12-01 23:19:45,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29249 states. [2024-12-01 23:19:50,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29249 to 25040. [2024-12-01 23:19:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25040 states, 25038 states have (on average 1.198977554117741) internal successors, (30020), 25039 states have internal predecessors, (30020), 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) [2024-12-01 23:19:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25040 states to 25040 states and 30020 transitions. [2024-12-01 23:19:50,318 INFO L78 Accepts]: Start accepts. Automaton has 25040 states and 30020 transitions. Word has length 147 [2024-12-01 23:19:50,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:19:50,319 INFO L471 AbstractCegarLoop]: Abstraction has 25040 states and 30020 transitions. [2024-12-01 23:19:50,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.733333333333333) internal successors, (404), 60 states have internal predecessors, (404), 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) [2024-12-01 23:19:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 25040 states and 30020 transitions. [2024-12-01 23:19:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-01 23:19:50,321 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:19:50,322 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:19:50,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-01 23:19:50,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-01 23:19:50,522 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:19:50,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:19:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash -970975155, now seen corresponding path program 1 times [2024-12-01 23:19:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:19:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781534441] [2024-12-01 23:19:50,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:19:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:19:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:19:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 20 proven. 199 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-01 23:19:50,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:19:50,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781534441] [2024-12-01 23:19:50,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781534441] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:19:50,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368864105] [2024-12-01 23:19:50,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:19:50,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:19:50,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:19:50,653 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:19:50,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-01 23:19:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:19:50,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-01 23:19:50,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:19:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 20 proven. 199 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-01 23:19:50,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:19:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 191 proven. 42 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-01 23:19:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368864105] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:19:51,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:19:51,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 17 [2024-12-01 23:19:51,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567081666] [2024-12-01 23:19:51,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:19:51,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-01 23:19:51,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:19:51,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-01 23:19:51,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-12-01 23:19:51,468 INFO L87 Difference]: Start difference. First operand 25040 states and 30020 transitions. Second operand has 17 states, 17 states have (on average 16.647058823529413) internal successors, (283), 17 states have internal predecessors, (283), 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) [2024-12-01 23:19:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:19:55,879 INFO L93 Difference]: Finished difference Result 50037 states and 61136 transitions. [2024-12-01 23:19:55,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 23:19:55,879 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 16.647058823529413) internal successors, (283), 17 states have internal predecessors, (283), 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 148 [2024-12-01 23:19:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:19:55,903 INFO L225 Difference]: With dead ends: 50037 [2024-12-01 23:19:55,903 INFO L226 Difference]: Without dead ends: 29495 [2024-12-01 23:19:55,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:19:55,913 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 1519 mSDsluCounter, 13503 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 15033 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:19:55,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 15033 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:19:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29495 states. [2024-12-01 23:20:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29495 to 29491. [2024-12-01 23:20:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29491 states, 29489 states have (on average 1.1753535216521416) internal successors, (34660), 29490 states have internal predecessors, (34660), 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) [2024-12-01 23:20:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29491 states to 29491 states and 34660 transitions. [2024-12-01 23:20:00,484 INFO L78 Accepts]: Start accepts. Automaton has 29491 states and 34660 transitions. Word has length 148 [2024-12-01 23:20:00,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:20:00,485 INFO L471 AbstractCegarLoop]: Abstraction has 29491 states and 34660 transitions. [2024-12-01 23:20:00,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.647058823529413) internal successors, (283), 17 states have internal predecessors, (283), 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) [2024-12-01 23:20:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29491 states and 34660 transitions. [2024-12-01 23:20:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-01 23:20:00,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:20:00,487 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:20:00,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-01 23:20:00,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:20:00,688 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:20:00,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:20:00,688 INFO L85 PathProgramCache]: Analyzing trace with hash -352711843, now seen corresponding path program 1 times [2024-12-01 23:20:00,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:20:00,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10412262] [2024-12-01 23:20:00,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:20:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:20:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:20:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 53 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:20:02,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:20:02,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10412262] [2024-12-01 23:20:02,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10412262] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:20:02,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795452343] [2024-12-01 23:20:02,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:20:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:20:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:20:02,184 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:20:02,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-01 23:20:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:20:02,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-01 23:20:02,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:20:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 53 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:20:04,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:20:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 53 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:20:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795452343] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:20:07,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:20:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21, 19] total 62 [2024-12-01 23:20:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963709060] [2024-12-01 23:20:07,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:20:07,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-01 23:20:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:20:07,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-01 23:20:07,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=3490, Unknown=0, NotChecked=0, Total=3782 [2024-12-01 23:20:07,750 INFO L87 Difference]: Start difference. First operand 29491 states and 34660 transitions. Second operand has 62 states, 62 states have (on average 6.290322580645161) internal successors, (390), 62 states have internal predecessors, (390), 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) [2024-12-01 23:21:03,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:21:03,258 INFO L93 Difference]: Finished difference Result 49300 states and 57615 transitions. [2024-12-01 23:21:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2024-12-01 23:21:03,259 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 6.290322580645161) internal successors, (390), 62 states have internal predecessors, (390), 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 148 [2024-12-01 23:21:03,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:21:03,280 INFO L225 Difference]: With dead ends: 49300 [2024-12-01 23:21:03,280 INFO L226 Difference]: Without dead ends: 28395 [2024-12-01 23:21:03,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25932 ImplicationChecksByTransitivity, 49.0s TimeCoverageRelationStatistics Valid=12437, Invalid=59655, Unknown=0, NotChecked=0, Total=72092 [2024-12-01 23:21:03,291 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 43261 mSDsluCounter, 26050 mSDsCounter, 0 mSdLazyCounter, 3844 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43261 SdHoareTripleChecker+Valid, 27576 SdHoareTripleChecker+Invalid, 4002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:21:03,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43261 Valid, 27576 Invalid, 4002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [158 Valid, 3844 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-01 23:21:03,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28395 states. [2024-12-01 23:21:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28395 to 19203. [2024-12-01 23:21:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19203 states, 19201 states have (on average 1.1826988177699078) internal successors, (22709), 19202 states have internal predecessors, (22709), 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) [2024-12-01 23:21:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19203 states to 19203 states and 22709 transitions. [2024-12-01 23:21:06,097 INFO L78 Accepts]: Start accepts. Automaton has 19203 states and 22709 transitions. Word has length 148 [2024-12-01 23:21:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:21:06,097 INFO L471 AbstractCegarLoop]: Abstraction has 19203 states and 22709 transitions. [2024-12-01 23:21:06,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.290322580645161) internal successors, (390), 62 states have internal predecessors, (390), 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) [2024-12-01 23:21:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19203 states and 22709 transitions. [2024-12-01 23:21:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-01 23:21:06,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:21:06,099 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:21:06,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-12-01 23:21:06,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-12-01 23:21:06,299 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:21:06,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:21:06,300 INFO L85 PathProgramCache]: Analyzing trace with hash 666783477, now seen corresponding path program 1 times [2024-12-01 23:21:06,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:21:06,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98213069] [2024-12-01 23:21:06,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:21:06,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:21:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:21:06,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:21:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:21:06,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:21:06,408 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:21:06,410 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-12-01 23:21:06,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-12-01 23:21:06,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-01 23:21:06,419 INFO L422 BasicCegarLoop]: Path program 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] [2024-12-01 23:21:06,598 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:21:06,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:21:06 BoogieIcfgContainer [2024-12-01 23:21:06,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:21:06,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:21:06,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:21:06,604 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:21:06,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:53" (3/4) ... [2024-12-01 23:21:06,607 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-01 23:21:06,788 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 154. [2024-12-01 23:21:06,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 23:21:06,896 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-01 23:21:06,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:21:06,897 INFO L158 Benchmark]: Toolchain (without parser) took 799990.72ms. Allocated memory was 142.6MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 102.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-01 23:21:06,897 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:21:06,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.60ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 47.9MB in the end (delta: 54.2MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2024-12-01 23:21:06,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.86ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 47.9MB in the beginning and 202.8MB in the end (delta: -154.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-12-01 23:21:06,898 INFO L158 Benchmark]: Boogie Preprocessor took 402.79ms. Allocated memory is still 310.4MB. Free memory was 202.8MB in the beginning and 163.7MB in the end (delta: 39.1MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2024-12-01 23:21:06,898 INFO L158 Benchmark]: RCFGBuilder took 4667.56ms. Allocated memory was 310.4MB in the beginning and 931.1MB in the end (delta: 620.8MB). Free memory was 163.7MB in the beginning and 286.1MB in the end (delta: -122.5MB). Peak memory consumption was 516.2MB. Max. memory is 16.1GB. [2024-12-01 23:21:06,898 INFO L158 Benchmark]: TraceAbstraction took 792986.97ms. Allocated memory was 931.1MB in the beginning and 3.7GB in the end (delta: 2.8GB). Free memory was 286.1MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-01 23:21:06,899 INFO L158 Benchmark]: Witness Printer took 292.35ms. Allocated memory is still 3.7GB. Free memory was 1.8GB in the beginning and 1.7GB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-01 23:21:06,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.60ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 47.9MB in the end (delta: 54.2MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.86ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 47.9MB in the beginning and 202.8MB in the end (delta: -154.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 402.79ms. Allocated memory is still 310.4MB. Free memory was 202.8MB in the beginning and 163.7MB in the end (delta: 39.1MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4667.56ms. Allocated memory was 310.4MB in the beginning and 931.1MB in the end (delta: 620.8MB). Free memory was 163.7MB in the beginning and 286.1MB in the end (delta: -122.5MB). Peak memory consumption was 516.2MB. Max. memory is 16.1GB. * TraceAbstraction took 792986.97ms. Allocated memory was 931.1MB in the beginning and 3.7GB in the end (delta: 2.8GB). Free memory was 286.1MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 292.35ms. Allocated memory is still 3.7GB. Free memory was 1.8GB in the beginning and 1.7GB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 297]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L38] msg_t nomsg = (msg_t )-1; [L39] unsigned char r1 ; [L40] port_t p1 ; [L41] char p1_old ; [L42] char p1_new ; [L43] char id1 ; [L44] char st1 ; [L45] msg_t send1 ; [L46] _Bool mode1 ; [L47] port_t p2 ; [L48] char p2_old ; [L49] char p2_new ; [L50] char id2 ; [L51] char st2 ; [L52] msg_t send2 ; [L53] _Bool mode2 ; [L54] port_t p3 ; [L55] char p3_old ; [L56] char p3_new ; [L57] char id3 ; [L58] char st3 ; [L59] msg_t send3 ; [L60] _Bool mode3 ; [L313] int inputC = 3; [L314] int inputF = 6; [L315] int inputA = 1; [L316] int inputB = 2; [L317] int inputD = 4; [L318] int inputE = 5; [L321] int a17 = -124; [L322] int a5 = 4; [L323] int a24 = 15; [L324] int a2 = 170; [L325] int a7 = 13; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=0, id2=0, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L5133] COND TRUE __VERIFIER_nondet_int() [L5134] CALL main1() [L245] int c1 ; [L246] int i2 ; [L249] c1 = 0 [L250] r1 = __VERIFIER_nondet_uchar() [L251] id1 = __VERIFIER_nondet_char() [L252] st1 = __VERIFIER_nondet_char() [L253] send1 = __VERIFIER_nondet_char() [L254] mode1 = __VERIFIER_nondet_bool() [L255] id2 = __VERIFIER_nondet_char() [L256] st2 = __VERIFIER_nondet_char() [L257] send2 = __VERIFIER_nondet_char() [L258] mode2 = __VERIFIER_nondet_bool() [L259] id3 = __VERIFIER_nondet_char() [L260] st3 = __VERIFIER_nondet_char() [L261] send3 = __VERIFIER_nondet_char() [L262] mode3 = __VERIFIER_nondet_bool() [L263] CALL, EXPR init() [L144] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L147] COND TRUE (int )r1 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L148] COND TRUE (int )id1 >= 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L149] COND TRUE (int )st1 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L150] COND TRUE (int )send1 == (int )id1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L151] COND TRUE (int )mode1 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L152] COND TRUE (int )id2 >= 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L153] COND TRUE (int )st2 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L154] COND TRUE (int )send2 == (int )id2 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L155] COND TRUE (int )mode2 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L156] COND TRUE (int )id3 >= 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L157] COND TRUE (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L158] COND TRUE (int )send3 == (int )id3 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L159] COND TRUE (int )mode3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L160] COND TRUE (int )id1 != (int )id2 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L161] COND TRUE (int )id1 != (int )id3 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L162] COND TRUE (int )id2 != (int )id3 [L163] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0, tmp=1] [L212] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L263] RET, EXPR init() [L263] i2 = init() [L264] CALL assume_abort_if_not(i2) [L32] COND FALSE !(!cond) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L264] RET assume_abort_if_not(i2) [L265] p1_old = nomsg [L266] p1_new = nomsg [L267] p2_old = nomsg [L268] p2_new = nomsg [L269] p3_old = nomsg [L270] p3_new = nomsg [L271] i2 = 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L67] COND FALSE !(\read(mode1)) [L86] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L87] mode1 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=5, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=5, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L98] COND FALSE !(\read(mode2)) [L111] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=5, p1_old=-1, p2=0, p2_new=4, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=5, p1_old=-1, p2=0, p2_new=4, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L123] COND FALSE !(\read(mode3)) [L136] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L137] mode3 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=5, p1_old=-1, p2=0, p2_new=4, p2_old=-1, p3=0, p3_new=0, p3_old=-1, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L220] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L221] COND FALSE !((int )r1 >= 3) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L224] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L226] COND TRUE (int )r1 < 3 [L227] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0, tmp=1] [L240] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND FALSE !(! arg) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L284] RET assert(c1) [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L67] COND TRUE \read(mode1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L68] COND FALSE !(r1 == 255) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=0, r1=0, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L71] r1 = r1 + 1 [L72] m1 = p3_old [L73] p3_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L74] COND TRUE (int )m1 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L75] COND FALSE !((int )m1 > (int )id1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=5, send2=4, send3=0, st1=0, st2=0, st3=0] [L78] COND FALSE !((int )m1 == (int )id1) [L81] send1 = m1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=4, send3=0, st1=0, st2=0, st3=0] [L84] mode1 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=4, send3=0, st1=0, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=5, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=4, send3=0, st1=0, st2=0, st3=0] [L98] COND TRUE \read(mode2) [L99] m2 = p1_old [L100] p1_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=5, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=4, send3=0, st1=0, st2=0, st3=0] [L101] COND TRUE (int )m2 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=5, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=4, send3=0, st1=0, st2=0, st3=0] [L102] COND TRUE (int )m2 > (int )id2 [L103] send2 = m2 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=0, st1=0, st2=0, st3=0] [L109] mode2 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=0, st1=0, st2=0, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=4, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=0, st1=0, st2=0, st3=0] [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=4, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=0, st1=0, st2=0, st3=0] [L126] COND TRUE (int )m3 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=4, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=0, st1=0, st2=0, st3=0] [L127] COND TRUE (int )m3 > (int )id3 [L128] send3 = m3 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L134] mode3 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L220] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L221] COND FALSE !((int )r1 >= 3) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L224] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L226] COND TRUE (int )r1 < 3 [L227] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0, tmp=1] [L240] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND FALSE !(! arg) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L284] RET assert(c1) [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L67] COND FALSE !(\read(mode1)) [L86] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L87] mode1 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L98] COND FALSE !(\read(mode2)) [L111] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L123] COND FALSE !(\read(mode3)) [L136] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L137] mode3 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=4, p3_old=-1, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L220] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L221] COND FALSE !((int )r1 >= 3) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L224] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L226] COND TRUE (int )r1 < 3 [L227] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0, tmp=1] [L240] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND FALSE !(! arg) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L284] RET assert(c1) [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L67] COND TRUE \read(mode1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L68] COND FALSE !(r1 == 255) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=4, r1=1, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L71] r1 = r1 + 1 [L72] m1 = p3_old [L73] p3_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=4, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L74] COND TRUE (int )m1 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=4, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L75] COND FALSE !((int )m1 > (int )id1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=4, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=5, send3=4, st1=0, st2=0, st3=0] [L78] COND FALSE !((int )m1 == (int )id1) [L81] send1 = m1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L84] mode1 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L98] COND TRUE \read(mode2) [L99] m2 = p1_old [L100] p1_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L101] COND TRUE (int )m2 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L102] COND FALSE !((int )m2 > (int )id2) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L105] COND FALSE !((int )m2 == (int )id2) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L109] mode2 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=5, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L126] COND TRUE (int )m3 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=5, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=4, st1=0, st2=0, st3=0] [L127] COND TRUE (int )m3 > (int )id3 [L128] send3 = m3 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L134] mode3 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L220] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L221] COND FALSE !((int )r1 >= 3) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L224] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L226] COND TRUE (int )r1 < 3 [L227] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0, tmp=1] [L240] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND FALSE !(! arg) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L284] RET assert(c1) [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L67] COND FALSE !(\read(mode1)) [L86] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L87] mode1 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=4, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=4, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L98] COND FALSE !(\read(mode2)) [L111] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L112] mode2 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=4, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=4, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L123] COND FALSE !(\read(mode3)) [L136] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L137] mode3 = (_Bool)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=4, p1_old=-1, p2=0, p2_new=5, p2_old=-1, p3=0, p3_new=5, p3_old=-1, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L220] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L221] COND FALSE !((int )r1 >= 3) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L224] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L226] COND TRUE (int )r1 < 3 [L227] tmp = 1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0, tmp=1] [L240] return (tmp); VAL [\result=1, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND FALSE !(! arg) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L284] RET assert(c1) [L274] CALL node1() [L63] msg_t m1 ; [L66] m1 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L67] COND TRUE \read(mode1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L68] COND FALSE !(r1 == 255) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=5, r1=2, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L71] r1 = r1 + 1 [L72] m1 = p3_old [L73] p3_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=5, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L74] COND TRUE (int )m1 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=5, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L75] COND FALSE !((int )m1 > (int )id1) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m1=5, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=0, st2=0, st3=0] [L78] COND TRUE (int )m1 == (int )id1 [L79] st1 = (char)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L84] mode1 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L274] RET node1() [L275] CALL node2() [L94] msg_t m2 ; [L97] m2 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=4, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L98] COND TRUE \read(mode2) [L99] m2 = p1_old [L100] p1_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=4, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L101] COND TRUE (int )m2 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=4, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L102] COND FALSE !((int )m2 > (int )id2) VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m2=4, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=0, st3=0] [L105] COND TRUE (int )m2 == (int )id2 [L106] st2 = (char)1 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L109] mode2 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L275] RET node2() [L276] CALL node3() [L119] msg_t m3 ; [L122] m3 = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=5, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L123] COND TRUE \read(mode3) [L124] m3 = p2_old [L125] p2_old = nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=5, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L126] COND TRUE (int )m3 != (int )nomsg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, m3=5, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L127] COND TRUE (int )m3 > (int )id3 [L128] send3 = m3 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L134] mode3 = (_Bool)0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L276] RET node3() [L277] p1_old = p1_new [L278] p1_new = nomsg [L279] p2_old = p2_new [L280] p2_new = nomsg [L281] p3_old = p3_new [L282] p3_new = nomsg [L283] CALL, EXPR check() [L217] int tmp ; VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L220] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L238] tmp = 0 VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0, tmp=0] [L240] return (tmp); VAL [\result=0, a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L283] RET, EXPR check() [L283] c1 = check() [L284] CALL assert(c1) [L295] COND TRUE ! arg VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] [L297] reach_error() VAL [a17=-124, a24=15, a2=170, a5=4, a7=13, id1=5, id2=4, id3=0, inputA=1, inputB=2, inputC=3, inputD=4, inputE=5, inputF=6, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=4, send2=5, send3=5, st1=1, st2=1, st3=0] - UnprovableResult [Line: 513]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 874 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 792.7s, OverallIterations: 43, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 575.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 626506 SdHoareTripleChecker+Valid, 59.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 626506 mSDsluCounter, 707030 SdHoareTripleChecker+Invalid, 52.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 643735 mSDsCounter, 4681 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70529 IncrementalHoareTripleChecker+Invalid, 75210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4681 mSolverCounterUnsat, 63295 mSDtfsCounter, 70529 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7817 GetRequests, 4394 SyntacticMatches, 10 SemanticMatches, 3413 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195732 ImplicationChecksByTransitivity, 489.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29491occurred in iteration=41, InterpolantAutomatonStates: 2380, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 57.1s AutomataMinimizationTime, 42 MinimizatonAttempts, 109045 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 150.4s InterpolantComputationTime, 6095 NumberOfCodeBlocks, 6095 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 8405 ConstructedInterpolants, 10 QuantifiedInterpolants, 196322 SizeOfPredicates, 180 NumberOfNonLiveVariables, 10480 ConjunctsInSsa, 806 ConjunctsInUnsatCore, 92 InterpolantComputations, 17 PerfectInterpolantSequences, 2458/7704 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-01 23:21:06,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46f42939-6e53-4763-9953-1ab5de5013d5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE