./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i --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_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e959472285f399663fc0bc882cd6552115d96d83be84339b2009ae5a1e9a9882 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:23:16,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:23:16,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:23:16,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:23:16,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:23:16,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:23:16,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:23:16,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:23:16,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:23:16,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:23:16,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:23:16,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:23:16,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:23:16,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:23:16,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:23:16,611 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:23:16,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:16,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:16,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:23:16,612 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:23:16,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:23:16,613 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_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e959472285f399663fc0bc882cd6552115d96d83be84339b2009ae5a1e9a9882 [2024-11-28 04:23:16,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:23:16,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:23:16,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:23:16,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:23:16,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:23:16,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i [2024-11-28 04:23:19,904 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/data/cd53f4233/817e7788cf194a69acd10d297d4d8e22/FLAG2ca1af635 [2024-11-28 04:23:20,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:23:20,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i [2024-11-28 04:23:20,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/data/cd53f4233/817e7788cf194a69acd10d297d4d8e22/FLAG2ca1af635 [2024-11-28 04:23:20,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/data/cd53f4233/817e7788cf194a69acd10d297d4d8e22 [2024-11-28 04:23:20,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:23:20,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:23:20,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:23:20,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:23:20,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:23:20,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:23:20" (1/1) ... [2024-11-28 04:23:20,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45af567e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:20, skipping insertion in model container [2024-11-28 04:23:20,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:23:20" (1/1) ... [2024-11-28 04:23:20,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:23:20,610 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_be266fe3-7e6f-4131-a91a-56b32779f649/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i[916,929] [2024-11-28 04:23:20,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:23:21,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:23:21,013 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_be266fe3-7e6f-4131-a91a-56b32779f649/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-71.i[916,929] [2024-11-28 04:23:21,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:23:21,240 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:23:21,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21 WrapperNode [2024-11-28 04:23:21,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:23:21,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:23:21,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:23:21,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:23:21,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,398 INFO L138 Inliner]: procedures = 26, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 727 [2024-11-28 04:23:21,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:23:21,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:23:21,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:23:21,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:23:21,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,518 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:23:21,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:23:21,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:23:21,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:23:21,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:23:21,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (1/1) ... [2024-11-28 04:23:21,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:23:21,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:23:21,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:23:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:23:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:23:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:23:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:23:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:23:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:23:21,899 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:23:21,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:23:23,652 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-28 04:23:23,652 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:23:23,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:23:23,677 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:23:23,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:23:23 BoogieIcfgContainer [2024-11-28 04:23:23,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:23:23,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:23:23,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:23:23,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:23:23,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:23:20" (1/3) ... [2024-11-28 04:23:23,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101481a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:23:23, skipping insertion in model container [2024-11-28 04:23:23,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:21" (2/3) ... [2024-11-28 04:23:23,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101481a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:23:23, skipping insertion in model container [2024-11-28 04:23:23,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:23:23" (3/3) ... [2024-11-28 04:23:23,694 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-71.i [2024-11-28 04:23:23,710 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:23:23,713 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount500_file-71.i that has 2 procedures, 280 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:23:23,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:23:23,820 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;@c06e3a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:23:23,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:23:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 280 states, 206 states have (on average 1.558252427184466) internal successors, (321), 207 states have internal predecessors, (321), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 04:23:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-28 04:23:23,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:23,870 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:23,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:23,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash 89395286, now seen corresponding path program 1 times [2024-11-28 04:23:23,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:23,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145693639] [2024-11-28 04:23:23,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 9800 trivial. 0 not checked. [2024-11-28 04:23:24,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:24,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145693639] [2024-11-28 04:23:24,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145693639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:23:24,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818682035] [2024-11-28 04:23:24,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:24,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:23:24,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:23:24,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:23:24,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:23:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:25,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:23:25,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:23:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 9800 trivial. 0 not checked. [2024-11-28 04:23:25,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:23:25,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818682035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:25,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:23:25,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:23:25,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452026684] [2024-11-28 04:23:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:25,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:23:25,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:25,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:23:25,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:23:25,701 INFO L87 Difference]: Start difference. First operand has 280 states, 206 states have (on average 1.558252427184466) internal successors, (321), 207 states have internal predecessors, (321), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 2 states have call successors, (71) [2024-11-28 04:23:25,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:25,802 INFO L93 Difference]: Finished difference Result 553 states and 991 transitions. [2024-11-28 04:23:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:23:25,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 2 states have call successors, (71) Word has length 479 [2024-11-28 04:23:25,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:25,817 INFO L225 Difference]: With dead ends: 553 [2024-11-28 04:23:25,817 INFO L226 Difference]: Without dead ends: 276 [2024-11-28 04:23:25,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:23:25,830 INFO L435 NwaCegarLoop]: 456 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, 456 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 [2024-11-28 04:23:25,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:23:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-28 04:23:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-28 04:23:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 203 states have internal predecessors, (314), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 04:23:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 456 transitions. [2024-11-28 04:23:25,923 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 456 transitions. Word has length 479 [2024-11-28 04:23:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:25,923 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 456 transitions. [2024-11-28 04:23:25,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 2 states have call successors, (71) [2024-11-28 04:23:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 456 transitions. [2024-11-28 04:23:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-28 04:23:25,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:25,975 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:25,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:23:26,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:23:26,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:26,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1662909732, now seen corresponding path program 1 times [2024-11-28 04:23:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55327067] [2024-11-28 04:23:26,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:27,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:27,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55327067] [2024-11-28 04:23:27,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55327067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:27,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:27,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:23:27,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173703211] [2024-11-28 04:23:27,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:27,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:23:27,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:27,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:23:27,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:23:27,133 INFO L87 Difference]: Start difference. First operand 276 states and 456 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:27,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:27,328 INFO L93 Difference]: Finished difference Result 726 states and 1198 transitions. [2024-11-28 04:23:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:23:27,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 479 [2024-11-28 04:23:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:27,341 INFO L225 Difference]: With dead ends: 726 [2024-11-28 04:23:27,343 INFO L226 Difference]: Without dead ends: 453 [2024-11-28 04:23:27,346 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 [2024-11-28 04:23:27,347 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 288 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:27,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 894 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:23:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-28 04:23:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-28 04:23:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 344 states have (on average 1.558139534883721) internal successors, (536), 345 states have internal predecessors, (536), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-28 04:23:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 742 transitions. [2024-11-28 04:23:27,461 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 742 transitions. Word has length 479 [2024-11-28 04:23:27,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:27,466 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 742 transitions. [2024-11-28 04:23:27,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 742 transitions. [2024-11-28 04:23:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-28 04:23:27,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:27,482 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:27,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:23:27,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:27,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:27,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1229180646, now seen corresponding path program 1 times [2024-11-28 04:23:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:27,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432861138] [2024-11-28 04:23:27,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:28,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432861138] [2024-11-28 04:23:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432861138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:28,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:28,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:23:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571143095] [2024-11-28 04:23:28,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:28,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:23:28,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:28,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:23:28,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:23:28,253 INFO L87 Difference]: Start difference. First operand 450 states and 742 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:28,500 INFO L93 Difference]: Finished difference Result 1196 states and 1970 transitions. [2024-11-28 04:23:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:23:28,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 479 [2024-11-28 04:23:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:28,512 INFO L225 Difference]: With dead ends: 1196 [2024-11-28 04:23:28,512 INFO L226 Difference]: Without dead ends: 749 [2024-11-28 04:23:28,514 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 [2024-11-28 04:23:28,518 INFO L435 NwaCegarLoop]: 489 mSDtfsCounter, 237 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:28,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 910 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:23:28,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-28 04:23:28,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2024-11-28 04:23:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 603 states have (on average 1.5655058043117744) internal successors, (944), 606 states have internal predecessors, (944), 137 states have call successors, (137), 4 states have call predecessors, (137), 4 states have return successors, (137), 134 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 04:23:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1218 transitions. [2024-11-28 04:23:28,627 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1218 transitions. Word has length 479 [2024-11-28 04:23:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:28,629 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1218 transitions. [2024-11-28 04:23:28,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1218 transitions. [2024-11-28 04:23:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-28 04:23:28,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:28,651 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:28,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:23:28,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:28,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash -303627752, now seen corresponding path program 1 times [2024-11-28 04:23:28,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:28,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494498290] [2024-11-28 04:23:28,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:28,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:30,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:30,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494498290] [2024-11-28 04:23:30,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494498290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:30,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:23:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808155828] [2024-11-28 04:23:30,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:30,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:23:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:30,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:23:30,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:30,228 INFO L87 Difference]: Start difference. First operand 745 states and 1218 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:30,983 INFO L93 Difference]: Finished difference Result 2116 states and 3471 transitions. [2024-11-28 04:23:30,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:23:30,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 479 [2024-11-28 04:23:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:30,996 INFO L225 Difference]: With dead ends: 2116 [2024-11-28 04:23:30,997 INFO L226 Difference]: Without dead ends: 1374 [2024-11-28 04:23:31,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:23:31,002 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 372 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:31,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1643 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:23:31,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2024-11-28 04:23:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 870. [2024-11-28 04:23:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 655 states have (on average 1.5236641221374045) internal successors, (998), 658 states have internal predecessors, (998), 208 states have call successors, (208), 6 states have call predecessors, (208), 6 states have return successors, (208), 205 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-28 04:23:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1414 transitions. [2024-11-28 04:23:31,141 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1414 transitions. Word has length 479 [2024-11-28 04:23:31,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:31,143 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1414 transitions. [2024-11-28 04:23:31,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1414 transitions. [2024-11-28 04:23:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-11-28 04:23:31,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:31,154 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:31,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:23:31,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:31,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1116888959, now seen corresponding path program 1 times [2024-11-28 04:23:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:31,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758838297] [2024-11-28 04:23:31,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:32,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758838297] [2024-11-28 04:23:32,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758838297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:32,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:32,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:32,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073674725] [2024-11-28 04:23:32,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:32,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:32,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:32,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:32,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:32,085 INFO L87 Difference]: Start difference. First operand 870 states and 1414 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:32,831 INFO L93 Difference]: Finished difference Result 2858 states and 4684 transitions. [2024-11-28 04:23:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 480 [2024-11-28 04:23:32,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:32,850 INFO L225 Difference]: With dead ends: 2858 [2024-11-28 04:23:32,850 INFO L226 Difference]: Without dead ends: 2115 [2024-11-28 04:23:32,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:32,855 INFO L435 NwaCegarLoop]: 692 mSDtfsCounter, 576 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:32,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1572 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:23:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2024-11-28 04:23:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 1999. [2024-11-28 04:23:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1643 states have (on average 1.5861229458307973) internal successors, (2606), 1649 states have internal predecessors, (2606), 345 states have call successors, (345), 10 states have call predecessors, (345), 10 states have return successors, (345), 339 states have call predecessors, (345), 345 states have call successors, (345) [2024-11-28 04:23:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3296 transitions. [2024-11-28 04:23:33,116 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3296 transitions. Word has length 480 [2024-11-28 04:23:33,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:33,120 INFO L471 AbstractCegarLoop]: Abstraction has 1999 states and 3296 transitions. [2024-11-28 04:23:33,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3296 transitions. [2024-11-28 04:23:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-11-28 04:23:33,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:33,137 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:33,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:23:33,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:33,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1370326242, now seen corresponding path program 1 times [2024-11-28 04:23:33,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:33,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241698908] [2024-11-28 04:23:33,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:34,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:34,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241698908] [2024-11-28 04:23:34,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241698908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:34,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:34,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:34,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755415717] [2024-11-28 04:23:34,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:34,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:34,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:34,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:34,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:34,254 INFO L87 Difference]: Start difference. First operand 1999 states and 3296 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:35,032 INFO L93 Difference]: Finished difference Result 3987 states and 6557 transitions. [2024-11-28 04:23:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:35,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 481 [2024-11-28 04:23:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:35,052 INFO L225 Difference]: With dead ends: 3987 [2024-11-28 04:23:35,052 INFO L226 Difference]: Without dead ends: 2115 [2024-11-28 04:23:35,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:35,059 INFO L435 NwaCegarLoop]: 694 mSDtfsCounter, 571 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:35,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1575 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:23:35,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2024-11-28 04:23:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2003. [2024-11-28 04:23:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1647 states have (on average 1.5810564663023678) internal successors, (2604), 1653 states have internal predecessors, (2604), 345 states have call successors, (345), 10 states have call predecessors, (345), 10 states have return successors, (345), 339 states have call predecessors, (345), 345 states have call successors, (345) [2024-11-28 04:23:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3294 transitions. [2024-11-28 04:23:35,286 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3294 transitions. Word has length 481 [2024-11-28 04:23:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:35,289 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 3294 transitions. [2024-11-28 04:23:35,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3294 transitions. [2024-11-28 04:23:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:35,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:35,295 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:35,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:23:35,296 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:35,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:35,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1944266174, now seen corresponding path program 1 times [2024-11-28 04:23:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643021170] [2024-11-28 04:23:35,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:37,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:37,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643021170] [2024-11-28 04:23:37,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643021170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:37,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:37,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:23:37,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746133780] [2024-11-28 04:23:37,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:37,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:23:37,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:37,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:23:37,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:37,432 INFO L87 Difference]: Start difference. First operand 2003 states and 3294 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:38,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:38,496 INFO L93 Difference]: Finished difference Result 5999 states and 9920 transitions. [2024-11-28 04:23:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:38,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:23:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:38,527 INFO L225 Difference]: With dead ends: 5999 [2024-11-28 04:23:38,528 INFO L226 Difference]: Without dead ends: 4124 [2024-11-28 04:23:38,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:23:38,534 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 628 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:38,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1245 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:23:38,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states. [2024-11-28 04:23:38,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 3852. [2024-11-28 04:23:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3214 states have (on average 1.5861854387056626) internal successors, (5098), 3226 states have internal predecessors, (5098), 619 states have call successors, (619), 18 states have call predecessors, (619), 18 states have return successors, (619), 607 states have call predecessors, (619), 619 states have call successors, (619) [2024-11-28 04:23:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 6336 transitions. [2024-11-28 04:23:39,004 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 6336 transitions. Word has length 482 [2024-11-28 04:23:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:39,006 INFO L471 AbstractCegarLoop]: Abstraction has 3852 states and 6336 transitions. [2024-11-28 04:23:39,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 6336 transitions. [2024-11-28 04:23:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:39,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:39,015 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:39,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:23:39,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:39,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:39,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2075941508, now seen corresponding path program 1 times [2024-11-28 04:23:39,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:39,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383252131] [2024-11-28 04:23:39,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:39,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383252131] [2024-11-28 04:23:40,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383252131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:40,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:40,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146086100] [2024-11-28 04:23:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:40,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:40,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:40,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:40,842 INFO L87 Difference]: Start difference. First operand 3852 states and 6336 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:41,336 INFO L93 Difference]: Finished difference Result 10730 states and 17682 transitions. [2024-11-28 04:23:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:41,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:23:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:41,380 INFO L225 Difference]: With dead ends: 10730 [2024-11-28 04:23:41,380 INFO L226 Difference]: Without dead ends: 7006 [2024-11-28 04:23:41,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:41,390 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 274 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:41,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1370 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:23:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7006 states. [2024-11-28 04:23:41,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7006 to 6988. [2024-11-28 04:23:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6988 states, 6094 states have (on average 1.6055136199540532) internal successors, (9784), 6122 states have internal predecessors, (9784), 859 states have call successors, (859), 34 states have call predecessors, (859), 34 states have return successors, (859), 831 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 04:23:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6988 states to 6988 states and 11502 transitions. [2024-11-28 04:23:41,935 INFO L78 Accepts]: Start accepts. Automaton has 6988 states and 11502 transitions. Word has length 482 [2024-11-28 04:23:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:41,936 INFO L471 AbstractCegarLoop]: Abstraction has 6988 states and 11502 transitions. [2024-11-28 04:23:41,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 6988 states and 11502 transitions. [2024-11-28 04:23:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:41,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:41,949 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:41,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:23:41,949 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:41,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:41,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1598509260, now seen corresponding path program 1 times [2024-11-28 04:23:41,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:41,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465108190] [2024-11-28 04:23:41,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:43,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:43,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465108190] [2024-11-28 04:23:43,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465108190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:43,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:43,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014333096] [2024-11-28 04:23:43,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:43,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:43,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:43,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:43,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:43,567 INFO L87 Difference]: Start difference. First operand 6988 states and 11502 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:44,801 INFO L93 Difference]: Finished difference Result 22774 states and 37281 transitions. [2024-11-28 04:23:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:44,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:23:44,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:44,884 INFO L225 Difference]: With dead ends: 22774 [2024-11-28 04:23:44,884 INFO L226 Difference]: Without dead ends: 15914 [2024-11-28 04:23:44,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:44,907 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 567 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:44,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1425 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:23:44,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15914 states. [2024-11-28 04:23:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15914 to 13702. [2024-11-28 04:23:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13702 states, 11988 states have (on average 1.6011011011011012) internal successors, (19194), 12044 states have internal predecessors, (19194), 1647 states have call successors, (1647), 66 states have call predecessors, (1647), 66 states have return successors, (1647), 1591 states have call predecessors, (1647), 1647 states have call successors, (1647) [2024-11-28 04:23:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13702 states to 13702 states and 22488 transitions. [2024-11-28 04:23:46,491 INFO L78 Accepts]: Start accepts. Automaton has 13702 states and 22488 transitions. Word has length 482 [2024-11-28 04:23:46,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:46,493 INFO L471 AbstractCegarLoop]: Abstraction has 13702 states and 22488 transitions. [2024-11-28 04:23:46,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 13702 states and 22488 transitions. [2024-11-28 04:23:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:46,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:46,510 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:46,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:23:46,510 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:46,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:46,512 INFO L85 PathProgramCache]: Analyzing trace with hash 619121138, now seen corresponding path program 1 times [2024-11-28 04:23:46,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:46,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6323068] [2024-11-28 04:23:46,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:46,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:48,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6323068] [2024-11-28 04:23:48,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6323068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:48,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:48,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:48,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491289401] [2024-11-28 04:23:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:48,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:48,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:48,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:48,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:48,087 INFO L87 Difference]: Start difference. First operand 13702 states and 22488 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:49,847 INFO L93 Difference]: Finished difference Result 43588 states and 71192 transitions. [2024-11-28 04:23:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:23:49,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:23:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:49,961 INFO L225 Difference]: With dead ends: 43588 [2024-11-28 04:23:49,962 INFO L226 Difference]: Without dead ends: 29942 [2024-11-28 04:23:49,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:49,994 INFO L435 NwaCegarLoop]: 572 mSDtfsCounter, 501 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:49,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1365 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:23:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29942 states. [2024-11-28 04:23:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29942 to 19898. [2024-11-28 04:23:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19898 states, 18183 states have (on average 1.623329483583567) internal successors, (29517), 18239 states have internal predecessors, (29517), 1647 states have call successors, (1647), 67 states have call predecessors, (1647), 67 states have return successors, (1647), 1591 states have call predecessors, (1647), 1647 states have call successors, (1647) [2024-11-28 04:23:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19898 states to 19898 states and 32811 transitions. [2024-11-28 04:23:51,721 INFO L78 Accepts]: Start accepts. Automaton has 19898 states and 32811 transitions. Word has length 482 [2024-11-28 04:23:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:51,723 INFO L471 AbstractCegarLoop]: Abstraction has 19898 states and 32811 transitions. [2024-11-28 04:23:51,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 19898 states and 32811 transitions. [2024-11-28 04:23:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:51,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:51,748 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:51,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:23:51,749 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:51,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:51,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1573061296, now seen corresponding path program 1 times [2024-11-28 04:23:51,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:51,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425102265] [2024-11-28 04:23:51,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:53,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425102265] [2024-11-28 04:23:53,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425102265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:53,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:53,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230787108] [2024-11-28 04:23:53,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:53,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:53,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:53,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:53,361 INFO L87 Difference]: Start difference. First operand 19898 states and 32811 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:55,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:55,576 INFO L93 Difference]: Finished difference Result 63778 states and 104395 transitions. [2024-11-28 04:23:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:23:55,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:23:55,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:55,752 INFO L225 Difference]: With dead ends: 63778 [2024-11-28 04:23:55,752 INFO L226 Difference]: Without dead ends: 44012 [2024-11-28 04:23:55,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:23:55,807 INFO L435 NwaCegarLoop]: 747 mSDtfsCounter, 1071 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 2083 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:55,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2083 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:23:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44012 states. [2024-11-28 04:23:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44012 to 19898. [2024-11-28 04:23:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19898 states, 18183 states have (on average 1.6206896551724137) internal successors, (29469), 18239 states have internal predecessors, (29469), 1647 states have call successors, (1647), 67 states have call predecessors, (1647), 67 states have return successors, (1647), 1591 states have call predecessors, (1647), 1647 states have call successors, (1647) [2024-11-28 04:23:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19898 states to 19898 states and 32763 transitions. [2024-11-28 04:23:57,876 INFO L78 Accepts]: Start accepts. Automaton has 19898 states and 32763 transitions. Word has length 482 [2024-11-28 04:23:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:57,877 INFO L471 AbstractCegarLoop]: Abstraction has 19898 states and 32763 transitions. [2024-11-28 04:23:57,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:23:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19898 states and 32763 transitions. [2024-11-28 04:23:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:23:57,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:57,902 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:57,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:23:57,902 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:57,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:57,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1335120590, now seen corresponding path program 1 times [2024-11-28 04:23:57,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:57,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713867280] [2024-11-28 04:23:57,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:57,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:23:59,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:59,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713867280] [2024-11-28 04:23:59,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713867280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:59,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:59,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:23:59,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527528734] [2024-11-28 04:23:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:59,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:23:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:59,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:23:59,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:23:59,681 INFO L87 Difference]: Start difference. First operand 19898 states and 32763 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:02,011 INFO L93 Difference]: Finished difference Result 67476 states and 110620 transitions. [2024-11-28 04:24:02,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:24:02,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 482 [2024-11-28 04:24:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:02,201 INFO L225 Difference]: With dead ends: 67476 [2024-11-28 04:24:02,201 INFO L226 Difference]: Without dead ends: 47710 [2024-11-28 04:24:02,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:24:02,252 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 560 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:02,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1448 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:24:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47710 states. [2024-11-28 04:24:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47710 to 39090. [2024-11-28 04:24:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39090 states, 36479 states have (on average 1.609062748430604) internal successors, (58697), 36599 states have internal predecessors, (58697), 2479 states have call successors, (2479), 131 states have call predecessors, (2479), 131 states have return successors, (2479), 2359 states have call predecessors, (2479), 2479 states have call successors, (2479) [2024-11-28 04:24:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39090 states to 39090 states and 63655 transitions. [2024-11-28 04:24:04,506 INFO L78 Accepts]: Start accepts. Automaton has 39090 states and 63655 transitions. Word has length 482 [2024-11-28 04:24:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:04,508 INFO L471 AbstractCegarLoop]: Abstraction has 39090 states and 63655 transitions. [2024-11-28 04:24:04,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 39090 states and 63655 transitions. [2024-11-28 04:24:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-11-28 04:24:04,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:04,541 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:04,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:24:04,541 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:04,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:04,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1247638966, now seen corresponding path program 1 times [2024-11-28 04:24:04,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:04,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848190312] [2024-11-28 04:24:04,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:04,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:24:07,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:08,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848190312] [2024-11-28 04:24:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848190312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:08,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:24:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548105593] [2024-11-28 04:24:08,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:08,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:24:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:08,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:24:08,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:24:08,004 INFO L87 Difference]: Start difference. First operand 39090 states and 63655 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-11-28 04:24:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:15,814 INFO L93 Difference]: Finished difference Result 104758 states and 169604 transitions. [2024-11-28 04:24:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:24:15,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 482 [2024-11-28 04:24:15,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:16,092 INFO L225 Difference]: With dead ends: 104758 [2024-11-28 04:24:16,093 INFO L226 Difference]: Without dead ends: 85110 [2024-11-28 04:24:16,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:24:16,126 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 1232 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:16,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 1715 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:24:16,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85110 states. [2024-11-28 04:24:19,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85110 to 72290. [2024-11-28 04:24:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72290 states, 68655 states have (on average 1.6183089359842693) internal successors, (111105), 68903 states have internal predecessors, (111105), 3375 states have call successors, (3375), 259 states have call predecessors, (3375), 259 states have return successors, (3375), 3127 states have call predecessors, (3375), 3375 states have call successors, (3375) [2024-11-28 04:24:20,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72290 states to 72290 states and 117855 transitions. [2024-11-28 04:24:20,305 INFO L78 Accepts]: Start accepts. Automaton has 72290 states and 117855 transitions. Word has length 482 [2024-11-28 04:24:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:20,306 INFO L471 AbstractCegarLoop]: Abstraction has 72290 states and 117855 transitions. [2024-11-28 04:24:20,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 3 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2024-11-28 04:24:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 72290 states and 117855 transitions. [2024-11-28 04:24:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-28 04:24:20,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:20,368 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:20,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:24:20,369 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:20,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:20,370 INFO L85 PathProgramCache]: Analyzing trace with hash -605690403, now seen corresponding path program 1 times [2024-11-28 04:24:20,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:20,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321523043] [2024-11-28 04:24:20,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:20,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:24:21,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:21,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321523043] [2024-11-28 04:24:21,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321523043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:21,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:21,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:24:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780234339] [2024-11-28 04:24:21,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:21,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:24:21,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:21,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:24:21,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:24:21,825 INFO L87 Difference]: Start difference. First operand 72290 states and 117855 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:26,390 INFO L93 Difference]: Finished difference Result 164052 states and 266776 transitions. [2024-11-28 04:24:26,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:24:26,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 483 [2024-11-28 04:24:26,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:26,650 INFO L225 Difference]: With dead ends: 164052 [2024-11-28 04:24:26,651 INFO L226 Difference]: Without dead ends: 91894 [2024-11-28 04:24:26,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:24:26,743 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 488 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:26,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1293 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:24:26,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91894 states. [2024-11-28 04:24:31,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91894 to 86322. [2024-11-28 04:24:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86322 states, 82687 states have (on average 1.6169047129536687) internal successors, (133697), 82935 states have internal predecessors, (133697), 3375 states have call successors, (3375), 259 states have call predecessors, (3375), 259 states have return successors, (3375), 3127 states have call predecessors, (3375), 3375 states have call successors, (3375) [2024-11-28 04:24:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86322 states to 86322 states and 140447 transitions. [2024-11-28 04:24:31,544 INFO L78 Accepts]: Start accepts. Automaton has 86322 states and 140447 transitions. Word has length 483 [2024-11-28 04:24:31,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:31,545 INFO L471 AbstractCegarLoop]: Abstraction has 86322 states and 140447 transitions. [2024-11-28 04:24:31,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 86322 states and 140447 transitions. [2024-11-28 04:24:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-28 04:24:31,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:31,607 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:31,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:24:31,610 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:31,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1226845833, now seen corresponding path program 1 times [2024-11-28 04:24:31,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:31,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936991830] [2024-11-28 04:24:31,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:31,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2024-11-28 04:24:32,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936991830] [2024-11-28 04:24:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936991830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:32,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:32,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:24:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621607083] [2024-11-28 04:24:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:32,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:24:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:32,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:24:32,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:24:32,148 INFO L87 Difference]: Start difference. First operand 86322 states and 140447 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:36,893 INFO L93 Difference]: Finished difference Result 198038 states and 321941 transitions. [2024-11-28 04:24:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:24:36,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) Word has length 483 [2024-11-28 04:24:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:37,238 INFO L225 Difference]: With dead ends: 198038 [2024-11-28 04:24:37,239 INFO L226 Difference]: Without dead ends: 111656 [2024-11-28 04:24:37,364 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 [2024-11-28 04:24:37,365 INFO L435 NwaCegarLoop]: 742 mSDtfsCounter, 405 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:37,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1180 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:24:37,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111656 states. [2024-11-28 04:24:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111656 to 107070. [2024-11-28 04:24:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107070 states, 100899 states have (on average 1.599054500044599) internal successors, (161343), 101267 states have internal predecessors, (161343), 5783 states have call successors, (5783), 387 states have call predecessors, (5783), 387 states have return successors, (5783), 5415 states have call predecessors, (5783), 5783 states have call successors, (5783) [2024-11-28 04:24:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107070 states to 107070 states and 172909 transitions. [2024-11-28 04:24:44,029 INFO L78 Accepts]: Start accepts. Automaton has 107070 states and 172909 transitions. Word has length 483 [2024-11-28 04:24:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:44,030 INFO L471 AbstractCegarLoop]: Abstraction has 107070 states and 172909 transitions. [2024-11-28 04:24:44,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 1 states have call predecessors, (71), 1 states have call successors, (71) [2024-11-28 04:24:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 107070 states and 172909 transitions. [2024-11-28 04:24:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-28 04:24:44,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:44,101 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:44,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:24:44,101 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:44,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:44,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1736318923, now seen corresponding path program 1 times [2024-11-28 04:24:44,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:44,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321090057] [2024-11-28 04:24:44,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 42 proven. 168 refuted. 0 times theorem prover too weak. 9730 trivial. 0 not checked. [2024-11-28 04:24:46,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:46,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321090057] [2024-11-28 04:24:46,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321090057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:24:46,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758638663] [2024-11-28 04:24:46,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:46,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:24:46,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:24:46,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:24:46,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be266fe3-7e6f-4131-a91a-56b32779f649/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:24:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:46,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:24:46,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:24:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 4984 proven. 93 refuted. 0 times theorem prover too weak. 4863 trivial. 0 not checked. [2024-11-28 04:24:47,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:24:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9940 backedges. 117 proven. 93 refuted. 0 times theorem prover too weak. 9730 trivial. 0 not checked. [2024-11-28 04:24:48,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758638663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:24:48,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:24:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 14 [2024-11-28 04:24:48,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761096213] [2024-11-28 04:24:48,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:24:48,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:24:48,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:48,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:24:48,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:24:48,827 INFO L87 Difference]: Start difference. First operand 107070 states and 172909 transitions. Second operand has 14 states, 14 states have (on average 23.428571428571427) internal successors, (328), 14 states have internal predecessors, (328), 4 states have call successors, (158), 2 states have call predecessors, (158), 4 states have return successors, (160), 4 states have call predecessors, (160), 4 states have call successors, (160) [2024-11-28 04:24:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:56,557 INFO L93 Difference]: Finished difference Result 185718 states and 298870 transitions. [2024-11-28 04:24:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 04:24:56,557 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 23.428571428571427) internal successors, (328), 14 states have internal predecessors, (328), 4 states have call successors, (158), 2 states have call predecessors, (158), 4 states have return successors, (160), 4 states have call predecessors, (160), 4 states have call successors, (160) Word has length 483 [2024-11-28 04:24:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:56,720 INFO L225 Difference]: With dead ends: 185718 [2024-11-28 04:24:56,720 INFO L226 Difference]: Without dead ends: 78780 [2024-11-28 04:24:56,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1005 GetRequests, 960 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=491, Invalid=1671, Unknown=0, NotChecked=0, Total=2162 [2024-11-28 04:24:56,821 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 2953 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 1230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 2513 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1230 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:56,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 2513 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1230 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:24:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78780 states.