./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 75bb47d196b7c0cfa74650bf56de75ff6699dc5c2700eb5e9ba9836562c6aee4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:09:39,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:09:39,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:09:39,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:09:39,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:09:39,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:09:39,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:09:39,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:09:39,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:09:39,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:09:39,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:09:39,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:09:39,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:09:39,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:09:39,821 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:09:39,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:09:39,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:09:39,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:09:39,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:09:39,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:09:39,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:09:39,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:09:39,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:09:39,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:09:39,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:09:39,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:09:39,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:09:39,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:09:39,825 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:09:39,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:09:39,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:09:39,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:09:39,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:09:39,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:09:39,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:09:39,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:09:39,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:09:39,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:09:39,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:09:39,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:09:39,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:09:39,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:09:39,828 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75bb47d196b7c0cfa74650bf56de75ff6699dc5c2700eb5e9ba9836562c6aee4 [2024-11-16 09:09:40,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:09:40,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:09:40,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:09:40,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:09:40,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:09:40,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c [2024-11-16 09:09:41,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:09:41,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:09:41,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c [2024-11-16 09:09:41,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cdbed48/940999cef62f40dcad24eeceb1bd439f/FLAG96f57ad23 [2024-11-16 09:09:42,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cdbed48/940999cef62f40dcad24eeceb1bd439f [2024-11-16 09:09:42,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:09:42,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:09:42,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:09:42,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:09:42,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:09:42,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:09:42" (1/1) ... [2024-11-16 09:09:42,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f7e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:42, skipping insertion in model container [2024-11-16 09:09:42,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:09:42" (1/1) ... [2024-11-16 09:09:42,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:09:43,847 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c[381679,381692] [2024-11-16 09:09:43,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c[383339,383352] [2024-11-16 09:09:44,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:09:44,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:09:44,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c[381679,381692] [2024-11-16 09:09:44,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.12.cil-1.c[383339,383352] [2024-11-16 09:09:44,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:09:44,961 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:09:44,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44 WrapperNode [2024-11-16 09:09:44,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:09:44,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:09:44,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:09:44,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:09:44,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,470 INFO L138 Inliner]: procedures = 68, calls = 78, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 13223 [2024-11-16 09:09:45,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:09:45,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:09:45,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:09:45,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:09:45,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,586 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]. [2024-11-16 09:09:45,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:09:45,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:09:45,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:09:45,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:09:45,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (1/1) ... [2024-11-16 09:09:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:09:45,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:09:45,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 09:09:45,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 09:09:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:09:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-16 09:09:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-16 09:09:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:09:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:09:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-16 09:09:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-16 09:09:45,900 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-16 09:09:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-16 09:09:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-16 09:09:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-16 09:09:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-16 09:09:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-16 09:09:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-16 09:09:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-16 09:09:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:09:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:09:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:09:46,007 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:09:46,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:09:52,399 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc calculate_output3_#t~ret16#1; [2024-11-16 09:09:52,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc calculate_output5_#t~ret18#1; [2024-11-16 09:09:52,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc calculate_output2_#t~ret15#1; [2024-11-16 09:09:52,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc calculate_output7_#t~ret20#1; [2024-11-16 09:09:52,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc calculate_output6_#t~ret19#1; [2024-11-16 09:09:52,401 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc calculate_output4_#t~ret17#1; [2024-11-16 09:09:52,401 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc calculate_output_#t~ret14#1; [2024-11-16 09:09:52,731 INFO L? ?]: Removed 1759 outVars from TransFormulas that were not future-live. [2024-11-16 09:09:52,731 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:09:52,786 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:09:52,786 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:09:52,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:09:52 BoogieIcfgContainer [2024-11-16 09:09:52,787 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:09:52,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:09:52,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:09:52,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:09:52,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:09:42" (1/3) ... [2024-11-16 09:09:52,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:09:52, skipping insertion in model container [2024-11-16 09:09:52,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:09:44" (2/3) ... [2024-11-16 09:09:52,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:09:52, skipping insertion in model container [2024-11-16 09:09:52,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:09:52" (3/3) ... [2024-11-16 09:09:52,795 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label43+token_ring.12.cil-1.c [2024-11-16 09:09:52,808 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:09:52,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:09:52,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:09:52,927 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;@1591e8f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:09:52,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:09:52,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 2649 states, 2611 states have (on average 1.8188433550363845) internal successors, (4749), 2616 states have internal predecessors, (4749), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 09:09:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:09:52,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:09:52,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:09:52,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:09:52,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:09:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash -941062005, now seen corresponding path program 1 times [2024-11-16 09:09:52,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:09:52,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781400930] [2024-11-16 09:09:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:09:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:09:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:09:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:09:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:09:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:09:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:09:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:09:53,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:09:53,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781400930] [2024-11-16 09:09:53,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781400930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:09:53,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:09:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:09:53,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806769013] [2024-11-16 09:09:53,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:09:53,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:09:53,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:09:53,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:09:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:09:53,871 INFO L87 Difference]: Start difference. First operand has 2649 states, 2611 states have (on average 1.8188433550363845) internal successors, (4749), 2616 states have internal predecessors, (4749), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:09:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:09:56,802 INFO L93 Difference]: Finished difference Result 5990 states and 10753 transitions. [2024-11-16 09:09:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:09:56,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:09:56,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:09:56,833 INFO L225 Difference]: With dead ends: 5990 [2024-11-16 09:09:56,833 INFO L226 Difference]: Without dead ends: 3289 [2024-11-16 09:09:56,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:09:56,841 INFO L432 NwaCegarLoop]: 4465 mSDtfsCounter, 5667 mSDsluCounter, 13417 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5686 SdHoareTripleChecker+Valid, 17882 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:09:56,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5686 Valid, 17882 Invalid, 2440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [116 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 09:09:56,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2024-11-16 09:09:56,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 3003. [2024-11-16 09:09:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2939 states have (on average 1.7672677781558352) internal successors, (5194), 2943 states have internal predecessors, (5194), 49 states have call successors, (49), 13 states have call predecessors, (49), 13 states have return successors, (50), 47 states have call predecessors, (50), 47 states have call successors, (50) [2024-11-16 09:09:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5293 transitions. [2024-11-16 09:09:56,990 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5293 transitions. Word has length 184 [2024-11-16 09:09:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:09:56,990 INFO L471 AbstractCegarLoop]: Abstraction has 3003 states and 5293 transitions. [2024-11-16 09:09:56,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:09:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5293 transitions. [2024-11-16 09:09:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:09:56,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:09:56,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:09:56,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:09:56,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:09:56,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:09:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash 894063181, now seen corresponding path program 1 times [2024-11-16 09:09:56,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:09:56,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277074495] [2024-11-16 09:09:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:09:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:09:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:09:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:09:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:09:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:09:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:09:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:09:57,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:09:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277074495] [2024-11-16 09:09:57,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277074495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:09:57,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:09:57,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:09:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592805657] [2024-11-16 09:09:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:09:57,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:09:57,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:09:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:09:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:09:57,347 INFO L87 Difference]: Start difference. First operand 3003 states and 5293 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:09:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:09:59,259 INFO L93 Difference]: Finished difference Result 4168 states and 7121 transitions. [2024-11-16 09:09:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:09:59,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:09:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:09:59,272 INFO L225 Difference]: With dead ends: 4168 [2024-11-16 09:09:59,272 INFO L226 Difference]: Without dead ends: 3308 [2024-11-16 09:09:59,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:09:59,279 INFO L432 NwaCegarLoop]: 4328 mSDtfsCounter, 5164 mSDsluCounter, 17038 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 21366 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:09:59,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 21366 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:09:59,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2024-11-16 09:09:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3003. [2024-11-16 09:09:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2939 states have (on average 1.7665872745831916) internal successors, (5192), 2943 states have internal predecessors, (5192), 49 states have call successors, (49), 13 states have call predecessors, (49), 13 states have return successors, (50), 47 states have call predecessors, (50), 47 states have call successors, (50) [2024-11-16 09:09:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5291 transitions. [2024-11-16 09:09:59,491 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5291 transitions. Word has length 184 [2024-11-16 09:09:59,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:09:59,492 INFO L471 AbstractCegarLoop]: Abstraction has 3003 states and 5291 transitions. [2024-11-16 09:09:59,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:09:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5291 transitions. [2024-11-16 09:09:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:09:59,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:09:59,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:09:59,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:09:59,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:09:59,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:09:59,496 INFO L85 PathProgramCache]: Analyzing trace with hash 501064236, now seen corresponding path program 1 times [2024-11-16 09:09:59,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:09:59,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975602283] [2024-11-16 09:09:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:09:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:09:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:09:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:09:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:09:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:09:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:09:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:09:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:09:59,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:09:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975602283] [2024-11-16 09:09:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975602283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:09:59,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:09:59,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:09:59,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788109056] [2024-11-16 09:09:59,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:09:59,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:09:59,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:09:59,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:09:59,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:09:59,852 INFO L87 Difference]: Start difference. First operand 3003 states and 5291 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:03,446 INFO L93 Difference]: Finished difference Result 4744 states and 8006 transitions. [2024-11-16 09:10:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:03,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:03,458 INFO L225 Difference]: With dead ends: 4744 [2024-11-16 09:10:03,458 INFO L226 Difference]: Without dead ends: 3884 [2024-11-16 09:10:03,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:03,461 INFO L432 NwaCegarLoop]: 4399 mSDtfsCounter, 5728 mSDsluCounter, 17459 mSDsCounter, 0 mSdLazyCounter, 3201 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5747 SdHoareTripleChecker+Valid, 21858 SdHoareTripleChecker+Invalid, 3302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:03,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5747 Valid, 21858 Invalid, 3302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [101 Valid, 3201 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 09:10:03,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2024-11-16 09:10:03,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3414. [2024-11-16 09:10:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3414 states, 3322 states have (on average 1.7338952438290187) internal successors, (5760), 3327 states have internal predecessors, (5760), 70 states have call successors, (70), 19 states have call predecessors, (70), 20 states have return successors, (73), 69 states have call predecessors, (73), 68 states have call successors, (73) [2024-11-16 09:10:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 5903 transitions. [2024-11-16 09:10:03,580 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 5903 transitions. Word has length 184 [2024-11-16 09:10:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:03,580 INFO L471 AbstractCegarLoop]: Abstraction has 3414 states and 5903 transitions. [2024-11-16 09:10:03,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 5903 transitions. [2024-11-16 09:10:03,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:03,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:03,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:03,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:10:03,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:03,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1312728467, now seen corresponding path program 1 times [2024-11-16 09:10:03,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:03,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501919024] [2024-11-16 09:10:03,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:03,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:03,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:03,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501919024] [2024-11-16 09:10:03,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501919024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:03,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:03,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:03,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621611413] [2024-11-16 09:10:03,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:03,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:03,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:03,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:03,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:03,915 INFO L87 Difference]: Start difference. First operand 3414 states and 5903 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:07,428 INFO L93 Difference]: Finished difference Result 6273 states and 10352 transitions. [2024-11-16 09:10:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:07,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:07,457 INFO L225 Difference]: With dead ends: 6273 [2024-11-16 09:10:07,458 INFO L226 Difference]: Without dead ends: 5002 [2024-11-16 09:10:07,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:07,465 INFO L432 NwaCegarLoop]: 4646 mSDtfsCounter, 5624 mSDsluCounter, 18311 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5643 SdHoareTripleChecker+Valid, 22957 SdHoareTripleChecker+Invalid, 3643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:07,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5643 Valid, 22957 Invalid, 3643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 09:10:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5002 states. [2024-11-16 09:10:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5002 to 4238. [2024-11-16 09:10:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4238 states, 4090 states have (on average 1.6867970660146698) internal successors, (6899), 4097 states have internal predecessors, (6899), 112 states have call successors, (112), 31 states have call predecessors, (112), 34 states have return successors, (123), 113 states have call predecessors, (123), 110 states have call successors, (123) [2024-11-16 09:10:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 7134 transitions. [2024-11-16 09:10:07,650 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 7134 transitions. Word has length 184 [2024-11-16 09:10:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:07,650 INFO L471 AbstractCegarLoop]: Abstraction has 4238 states and 7134 transitions. [2024-11-16 09:10:07,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 7134 transitions. [2024-11-16 09:10:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:07,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:07,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:07,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:10:07,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:07,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash -262859252, now seen corresponding path program 1 times [2024-11-16 09:10:07,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:07,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513134578] [2024-11-16 09:10:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:07,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:07,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:07,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513134578] [2024-11-16 09:10:07,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513134578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:07,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:07,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438726468] [2024-11-16 09:10:07,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:07,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:07,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:07,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:07,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:07,951 INFO L87 Difference]: Start difference. First operand 4238 states and 7134 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:11,513 INFO L93 Difference]: Finished difference Result 9231 states and 14859 transitions. [2024-11-16 09:10:11,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:11,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:11,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:11,543 INFO L225 Difference]: With dead ends: 9231 [2024-11-16 09:10:11,544 INFO L226 Difference]: Without dead ends: 7136 [2024-11-16 09:10:11,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:11,557 INFO L432 NwaCegarLoop]: 4646 mSDtfsCounter, 5617 mSDsluCounter, 18311 mSDsCounter, 0 mSdLazyCounter, 3566 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5636 SdHoareTripleChecker+Valid, 22957 SdHoareTripleChecker+Invalid, 3633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:11,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5636 Valid, 22957 Invalid, 3633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 3566 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 09:10:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7136 states. [2024-11-16 09:10:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 5888. [2024-11-16 09:10:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5628 states have (on average 1.630952380952381) internal successors, (9179), 5639 states have internal predecessors, (9179), 196 states have call successors, (196), 55 states have call predecessors, (196), 62 states have return successors, (229), 201 states have call predecessors, (229), 194 states have call successors, (229) [2024-11-16 09:10:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 9604 transitions. [2024-11-16 09:10:11,814 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 9604 transitions. Word has length 184 [2024-11-16 09:10:11,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:11,815 INFO L471 AbstractCegarLoop]: Abstraction has 5888 states and 9604 transitions. [2024-11-16 09:10:11,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 9604 transitions. [2024-11-16 09:10:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:11,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:11,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:11,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:10:11,821 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:11,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash -90445171, now seen corresponding path program 1 times [2024-11-16 09:10:11,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:11,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399837517] [2024-11-16 09:10:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:11,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:11,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:12,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:12,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:12,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399837517] [2024-11-16 09:10:12,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399837517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:12,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:12,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:12,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105165089] [2024-11-16 09:10:12,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:12,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:12,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:12,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:12,102 INFO L87 Difference]: Start difference. First operand 5888 states and 9604 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:15,486 INFO L93 Difference]: Finished difference Result 15147 states and 23891 transitions. [2024-11-16 09:10:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:15,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:15,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:15,543 INFO L225 Difference]: With dead ends: 15147 [2024-11-16 09:10:15,543 INFO L226 Difference]: Without dead ends: 11402 [2024-11-16 09:10:15,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:15,553 INFO L432 NwaCegarLoop]: 4646 mSDtfsCounter, 5613 mSDsluCounter, 18311 mSDsCounter, 0 mSdLazyCounter, 3557 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5632 SdHoareTripleChecker+Valid, 22957 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:15,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5632 Valid, 22957 Invalid, 3624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 3557 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 09:10:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11402 states. [2024-11-16 09:10:15,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11402 to 9194. [2024-11-16 09:10:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9194 states, 8710 states have (on average 1.578300803673938) internal successors, (13747), 8729 states have internal predecessors, (13747), 364 states have call successors, (364), 103 states have call predecessors, (364), 118 states have return successors, (459), 377 states have call predecessors, (459), 362 states have call successors, (459) [2024-11-16 09:10:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9194 states to 9194 states and 14570 transitions. [2024-11-16 09:10:15,826 INFO L78 Accepts]: Start accepts. Automaton has 9194 states and 14570 transitions. Word has length 184 [2024-11-16 09:10:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:15,826 INFO L471 AbstractCegarLoop]: Abstraction has 9194 states and 14570 transitions. [2024-11-16 09:10:15,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9194 states and 14570 transitions. [2024-11-16 09:10:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:15,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:15,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:15,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:10:15,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:15,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:15,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1747451412, now seen corresponding path program 1 times [2024-11-16 09:10:15,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871752975] [2024-11-16 09:10:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:15,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:15,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:16,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:16,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871752975] [2024-11-16 09:10:16,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871752975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:16,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:16,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:16,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669935430] [2024-11-16 09:10:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:16,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:16,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:16,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:16,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:16,073 INFO L87 Difference]: Start difference. First operand 9194 states and 14570 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:19,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:19,915 INFO L93 Difference]: Finished difference Result 26979 states and 42015 transitions. [2024-11-16 09:10:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:19,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:19,968 INFO L225 Difference]: With dead ends: 26979 [2024-11-16 09:10:19,969 INFO L226 Difference]: Without dead ends: 19928 [2024-11-16 09:10:19,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:19,999 INFO L432 NwaCegarLoop]: 4646 mSDtfsCounter, 5609 mSDsluCounter, 18311 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5628 SdHoareTripleChecker+Valid, 22957 SdHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:20,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5628 Valid, 22957 Invalid, 3615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3548 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-16 09:10:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19928 states. [2024-11-16 09:10:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19928 to 15820. [2024-11-16 09:10:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15820 states, 14888 states have (on average 1.5383530360021493) internal successors, (22903), 14923 states have internal predecessors, (22903), 700 states have call successors, (700), 199 states have call predecessors, (700), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:10:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15820 states to 15820 states and 24576 transitions. [2024-11-16 09:10:20,529 INFO L78 Accepts]: Start accepts. Automaton has 15820 states and 24576 transitions. Word has length 184 [2024-11-16 09:10:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:20,529 INFO L471 AbstractCegarLoop]: Abstraction has 15820 states and 24576 transitions. [2024-11-16 09:10:20,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 15820 states and 24576 transitions. [2024-11-16 09:10:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:20,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:20,537 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:20,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:10:20,538 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:20,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:20,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1662780077, now seen corresponding path program 1 times [2024-11-16 09:10:20,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:20,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54252585] [2024-11-16 09:10:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:20,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:20,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:20,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54252585] [2024-11-16 09:10:20,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54252585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:20,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:20,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845060533] [2024-11-16 09:10:20,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:20,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:20,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:20,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:20,738 INFO L87 Difference]: Start difference. First operand 15820 states and 24576 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:23,252 INFO L93 Difference]: Finished difference Result 33856 states and 52731 transitions. [2024-11-16 09:10:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:10:23,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:23,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:23,303 INFO L225 Difference]: With dead ends: 33856 [2024-11-16 09:10:23,303 INFO L226 Difference]: Without dead ends: 20179 [2024-11-16 09:10:23,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:10:23,330 INFO L432 NwaCegarLoop]: 4327 mSDtfsCounter, 5173 mSDsluCounter, 17038 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5193 SdHoareTripleChecker+Valid, 21365 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:23,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5193 Valid, 21365 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1811 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:10:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20179 states. [2024-11-16 09:10:23,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20179 to 15820. [2024-11-16 09:10:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15820 states, 14888 states have (on average 1.536136485760344) internal successors, (22870), 14923 states have internal predecessors, (22870), 700 states have call successors, (700), 199 states have call predecessors, (700), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:10:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15820 states to 15820 states and 24543 transitions. [2024-11-16 09:10:23,830 INFO L78 Accepts]: Start accepts. Automaton has 15820 states and 24543 transitions. Word has length 184 [2024-11-16 09:10:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:23,831 INFO L471 AbstractCegarLoop]: Abstraction has 15820 states and 24543 transitions. [2024-11-16 09:10:23,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 15820 states and 24543 transitions. [2024-11-16 09:10:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:23,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:23,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:23,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:10:23,841 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:23,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:23,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1357145548, now seen corresponding path program 1 times [2024-11-16 09:10:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:23,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393990338] [2024-11-16 09:10:23,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:23,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:24,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:24,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393990338] [2024-11-16 09:10:24,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393990338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:24,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:24,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:24,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091082025] [2024-11-16 09:10:24,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:24,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:24,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:24,051 INFO L87 Difference]: Start difference. First operand 15820 states and 24543 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:25,979 INFO L93 Difference]: Finished difference Result 33821 states and 52563 transitions. [2024-11-16 09:10:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:10:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:26,029 INFO L225 Difference]: With dead ends: 33821 [2024-11-16 09:10:26,030 INFO L226 Difference]: Without dead ends: 20144 [2024-11-16 09:10:26,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:10:26,059 INFO L432 NwaCegarLoop]: 4327 mSDtfsCounter, 5339 mSDsluCounter, 12817 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5359 SdHoareTripleChecker+Valid, 17144 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:26,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5359 Valid, 17144 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:10:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20144 states. [2024-11-16 09:10:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20144 to 15820. [2024-11-16 09:10:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15820 states, 14888 states have (on average 1.5339199355185384) internal successors, (22837), 14923 states have internal predecessors, (22837), 700 states have call successors, (700), 199 states have call predecessors, (700), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:10:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15820 states to 15820 states and 24510 transitions. [2024-11-16 09:10:26,592 INFO L78 Accepts]: Start accepts. Automaton has 15820 states and 24510 transitions. Word has length 184 [2024-11-16 09:10:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:26,592 INFO L471 AbstractCegarLoop]: Abstraction has 15820 states and 24510 transitions. [2024-11-16 09:10:26,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 15820 states and 24510 transitions. [2024-11-16 09:10:26,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:26,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:26,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:26,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:10:26,601 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:26,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:26,601 INFO L85 PathProgramCache]: Analyzing trace with hash 654549709, now seen corresponding path program 1 times [2024-11-16 09:10:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:26,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011429745] [2024-11-16 09:10:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:26,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:26,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011429745] [2024-11-16 09:10:26,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011429745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:26,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:26,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:26,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295160270] [2024-11-16 09:10:26,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:26,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:26,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:26,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:26,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:26,835 INFO L87 Difference]: Start difference. First operand 15820 states and 24510 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:30,728 INFO L93 Difference]: Finished difference Result 50571 states and 77987 transitions. [2024-11-16 09:10:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:10:30,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:30,821 INFO L225 Difference]: With dead ends: 50571 [2024-11-16 09:10:30,822 INFO L226 Difference]: Without dead ends: 36894 [2024-11-16 09:10:30,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:10:30,858 INFO L432 NwaCegarLoop]: 4646 mSDtfsCounter, 5589 mSDsluCounter, 18311 mSDsCounter, 0 mSdLazyCounter, 3491 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 22957 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:30,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5608 Valid, 22957 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3491 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 09:10:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36894 states. [2024-11-16 09:10:31,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36894 to 29166. [2024-11-16 09:10:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29166 states, 27338 states have (on average 1.5068768746799326) internal successors, (41195), 27405 states have internal predecessors, (41195), 1372 states have call successors, (1372), 391 states have call predecessors, (1372), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:10:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29166 states to 29166 states and 44730 transitions. [2024-11-16 09:10:32,028 INFO L78 Accepts]: Start accepts. Automaton has 29166 states and 44730 transitions. Word has length 184 [2024-11-16 09:10:32,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:32,028 INFO L471 AbstractCegarLoop]: Abstraction has 29166 states and 44730 transitions. [2024-11-16 09:10:32,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 29166 states and 44730 transitions. [2024-11-16 09:10:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:32,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:32,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:32,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:10:32,043 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:32,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1601716652, now seen corresponding path program 1 times [2024-11-16 09:10:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:32,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858072097] [2024-11-16 09:10:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:32,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:32,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858072097] [2024-11-16 09:10:32,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858072097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:32,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:32,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:32,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089683418] [2024-11-16 09:10:32,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:32,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:32,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:32,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:32,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:32,219 INFO L87 Difference]: Start difference. First operand 29166 states and 44730 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:34,884 INFO L93 Difference]: Finished difference Result 64379 states and 99779 transitions. [2024-11-16 09:10:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:10:34,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:34,980 INFO L225 Difference]: With dead ends: 64379 [2024-11-16 09:10:34,981 INFO L226 Difference]: Without dead ends: 37356 [2024-11-16 09:10:35,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:10:35,033 INFO L432 NwaCegarLoop]: 4326 mSDtfsCounter, 5400 mSDsluCounter, 12817 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 17143 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:35,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5420 Valid, 17143 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:10:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37356 states. [2024-11-16 09:10:36,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37356 to 29166. [2024-11-16 09:10:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29166 states, 27338 states have (on average 1.5044992318384667) internal successors, (41130), 27405 states have internal predecessors, (41130), 1372 states have call successors, (1372), 391 states have call predecessors, (1372), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:10:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29166 states to 29166 states and 44665 transitions. [2024-11-16 09:10:36,440 INFO L78 Accepts]: Start accepts. Automaton has 29166 states and 44665 transitions. Word has length 184 [2024-11-16 09:10:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:36,441 INFO L471 AbstractCegarLoop]: Abstraction has 29166 states and 44665 transitions. [2024-11-16 09:10:36,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 29166 states and 44665 transitions. [2024-11-16 09:10:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:36,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:36,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:36,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:10:36,454 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:36,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1969960211, now seen corresponding path program 1 times [2024-11-16 09:10:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451657457] [2024-11-16 09:10:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:36,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:36,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:36,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451657457] [2024-11-16 09:10:36,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451657457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:36,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:36,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205963967] [2024-11-16 09:10:36,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:36,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:36,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:36,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:36,631 INFO L87 Difference]: Start difference. First operand 29166 states and 44665 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:39,520 INFO L93 Difference]: Finished difference Result 64312 states and 99451 transitions. [2024-11-16 09:10:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:10:39,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:39,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:39,593 INFO L225 Difference]: With dead ends: 64312 [2024-11-16 09:10:39,593 INFO L226 Difference]: Without dead ends: 37289 [2024-11-16 09:10:39,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:10:39,627 INFO L432 NwaCegarLoop]: 4327 mSDtfsCounter, 5168 mSDsluCounter, 17038 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5188 SdHoareTripleChecker+Valid, 21365 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:39,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5188 Valid, 21365 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1753 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:10:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37289 states. [2024-11-16 09:10:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37289 to 29166. [2024-11-16 09:10:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29166 states, 27338 states have (on average 1.5021215889970005) internal successors, (41065), 27405 states have internal predecessors, (41065), 1372 states have call successors, (1372), 391 states have call predecessors, (1372), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:10:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29166 states to 29166 states and 44600 transitions. [2024-11-16 09:10:40,782 INFO L78 Accepts]: Start accepts. Automaton has 29166 states and 44600 transitions. Word has length 184 [2024-11-16 09:10:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:40,782 INFO L471 AbstractCegarLoop]: Abstraction has 29166 states and 44600 transitions. [2024-11-16 09:10:40,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29166 states and 44600 transitions. [2024-11-16 09:10:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:40,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:40,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:40,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 09:10:40,795 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:40,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash -284060276, now seen corresponding path program 1 times [2024-11-16 09:10:40,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:40,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784538445] [2024-11-16 09:10:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:40,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:40,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784538445] [2024-11-16 09:10:40,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784538445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:40,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:40,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:40,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744042385] [2024-11-16 09:10:40,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:40,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:40,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:40,965 INFO L87 Difference]: Start difference. First operand 29166 states and 44600 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:44,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:44,114 INFO L93 Difference]: Finished difference Result 64245 states and 99123 transitions. [2024-11-16 09:10:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:10:44,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:44,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:44,199 INFO L225 Difference]: With dead ends: 64245 [2024-11-16 09:10:44,199 INFO L226 Difference]: Without dead ends: 37222 [2024-11-16 09:10:44,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:10:44,254 INFO L432 NwaCegarLoop]: 4327 mSDtfsCounter, 5334 mSDsluCounter, 12817 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5354 SdHoareTripleChecker+Valid, 17144 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:44,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5354 Valid, 17144 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:10:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37222 states. [2024-11-16 09:10:45,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37222 to 29166. [2024-11-16 09:10:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29166 states, 27338 states have (on average 1.4997439461555344) internal successors, (41000), 27405 states have internal predecessors, (41000), 1372 states have call successors, (1372), 391 states have call predecessors, (1372), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:10:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29166 states to 29166 states and 44535 transitions. [2024-11-16 09:10:45,784 INFO L78 Accepts]: Start accepts. Automaton has 29166 states and 44535 transitions. Word has length 184 [2024-11-16 09:10:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:45,784 INFO L471 AbstractCegarLoop]: Abstraction has 29166 states and 44535 transitions. [2024-11-16 09:10:45,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29166 states and 44535 transitions. [2024-11-16 09:10:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:45,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:45,797 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:45,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 09:10:45,797 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:45,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:45,798 INFO L85 PathProgramCache]: Analyzing trace with hash -91129075, now seen corresponding path program 1 times [2024-11-16 09:10:45,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:45,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076996132] [2024-11-16 09:10:45,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:45,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:45,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:46,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:46,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076996132] [2024-11-16 09:10:46,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076996132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:46,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:46,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:46,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633646392] [2024-11-16 09:10:46,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:46,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:46,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:46,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:46,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:46,077 INFO L87 Difference]: Start difference. First operand 29166 states and 44535 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:10:52,664 INFO L93 Difference]: Finished difference Result 109019 states and 167117 transitions. [2024-11-16 09:10:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:10:52,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:10:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:10:52,838 INFO L225 Difference]: With dead ends: 109019 [2024-11-16 09:10:52,838 INFO L226 Difference]: Without dead ends: 81996 [2024-11-16 09:10:52,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:10:52,885 INFO L432 NwaCegarLoop]: 4644 mSDtfsCounter, 6047 mSDsluCounter, 18303 mSDsCounter, 0 mSdLazyCounter, 3403 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6079 SdHoareTripleChecker+Valid, 22947 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:10:52,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6079 Valid, 22947 Invalid, 3473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 3403 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 09:10:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81996 states. [2024-11-16 09:10:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81996 to 55916. [2024-11-16 09:10:55,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55916 states, 52360 states have (on average 1.483479755538579) internal successors, (77675), 52491 states have internal predecessors, (77675), 2652 states have call successors, (2652), 775 states have call predecessors, (2652), 902 states have return successors, (4965), 2777 states have call predecessors, (4965), 2650 states have call successors, (4965) [2024-11-16 09:10:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55916 states to 55916 states and 85292 transitions. [2024-11-16 09:10:55,817 INFO L78 Accepts]: Start accepts. Automaton has 55916 states and 85292 transitions. Word has length 184 [2024-11-16 09:10:55,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:10:55,818 INFO L471 AbstractCegarLoop]: Abstraction has 55916 states and 85292 transitions. [2024-11-16 09:10:55,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:10:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 55916 states and 85292 transitions. [2024-11-16 09:10:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:10:55,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:10:55,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:10:55,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 09:10:55,884 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:10:55,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:10:55,884 INFO L85 PathProgramCache]: Analyzing trace with hash -223452820, now seen corresponding path program 1 times [2024-11-16 09:10:55,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:10:55,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568760933] [2024-11-16 09:10:55,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:10:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:10:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:10:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:10:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:56,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:10:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:10:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:56,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:10:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:10:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:10:56,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:10:56,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568760933] [2024-11-16 09:10:56,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568760933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:10:56,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:10:56,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:10:56,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720352685] [2024-11-16 09:10:56,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:10:56,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:10:56,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:10:56,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:10:56,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:10:56,182 INFO L87 Difference]: Start difference. First operand 55916 states and 85292 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:11:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:11:00,952 INFO L93 Difference]: Finished difference Result 124971 states and 193601 transitions. [2024-11-16 09:11:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:11:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 184 [2024-11-16 09:11:00,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:11:01,189 INFO L225 Difference]: With dead ends: 124971 [2024-11-16 09:11:01,190 INFO L226 Difference]: Without dead ends: 71198 [2024-11-16 09:11:01,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:11:01,321 INFO L432 NwaCegarLoop]: 4327 mSDtfsCounter, 5163 mSDsluCounter, 17036 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 21363 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:11:01,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5183 Valid, 21363 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:11:01,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71198 states. [2024-11-16 09:11:03,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71198 to 55916. [2024-11-16 09:11:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55916 states, 52360 states have (on average 1.4810160427807486) internal successors, (77546), 52491 states have internal predecessors, (77546), 2652 states have call successors, (2652), 775 states have call predecessors, (2652), 902 states have return successors, (4965), 2777 states have call predecessors, (4965), 2650 states have call successors, (4965) [2024-11-16 09:11:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55916 states to 55916 states and 85163 transitions. [2024-11-16 09:11:04,092 INFO L78 Accepts]: Start accepts. Automaton has 55916 states and 85163 transitions. Word has length 184 [2024-11-16 09:11:04,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:11:04,092 INFO L471 AbstractCegarLoop]: Abstraction has 55916 states and 85163 transitions. [2024-11-16 09:11:04,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:11:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 55916 states and 85163 transitions. [2024-11-16 09:11:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:11:04,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:11:04,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:11:04,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 09:11:04,113 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:11:04,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:11:04,114 INFO L85 PathProgramCache]: Analyzing trace with hash 742109997, now seen corresponding path program 1 times [2024-11-16 09:11:04,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:11:04,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797144954] [2024-11-16 09:11:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:11:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:11:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:11:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:11:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:11:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:11:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:11:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:11:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:11:04,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:11:04,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797144954] [2024-11-16 09:11:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797144954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:11:04,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:11:04,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:11:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182632340] [2024-11-16 09:11:04,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:11:04,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:11:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:11:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:11:04,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:11:04,300 INFO L87 Difference]: Start difference. First operand 55916 states and 85163 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)