./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label40+token_ring.12.cil-2.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_label40+token_ring.12.cil-2.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 e81bb624b13c4231a79ab1bd2052849a1a89cc393bc6bb2c02746b61da23cad6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:04:25,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:04:25,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:04:25,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:04:25,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:04:25,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:04:25,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:04:25,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:04:26,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:04:26,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:04:26,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:04:26,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:04:26,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:04:26,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:04:26,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:04:26,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:04:26,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:04:26,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:04:26,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:04:26,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:04:26,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:04:26,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:04:26,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:04:26,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:04:26,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:04:26,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:04:26,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:04:26,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:04:26,012 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:04:26,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:04:26,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:04:26,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:04:26,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:04:26,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:04:26,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:04:26,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:04:26,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:04:26,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:04:26,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:04:26,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:04:26,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:04:26,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:04:26,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e81bb624b13c4231a79ab1bd2052849a1a89cc393bc6bb2c02746b61da23cad6 [2024-11-16 09:04:26,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:04:26,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:04:26,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:04:26,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:04:26,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:04:26,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label40+token_ring.12.cil-2.c [2024-11-16 09:04:27,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:04:28,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:04:28,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label40+token_ring.12.cil-2.c [2024-11-16 09:04:28,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab4ee180/11a3e328c7694a93b0369870885a5b01/FLAGde9e50e37 [2024-11-16 09:04:28,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab4ee180/11a3e328c7694a93b0369870885a5b01 [2024-11-16 09:04:28,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:04:28,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:04:28,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:04:28,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:04:28,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:04:28,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:04:28" (1/1) ... [2024-11-16 09:04:28,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efd4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:28, skipping insertion in model container [2024-11-16 09:04:28,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:04:28" (1/1) ... [2024-11-16 09:04:29,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:04:30,653 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_label40+token_ring.12.cil-2.c[377069,377082] [2024-11-16 09:04:30,698 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_label40+token_ring.12.cil-2.c[383339,383352] [2024-11-16 09:04:30,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:04:30,932 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:04:31,671 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_label40+token_ring.12.cil-2.c[377069,377082] [2024-11-16 09:04:31,681 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_label40+token_ring.12.cil-2.c[383339,383352] [2024-11-16 09:04:31,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:04:31,773 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:04:31,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31 WrapperNode [2024-11-16 09:04:31,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:04:31,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:04:31,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:04:31,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:04:31,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:31,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,188 INFO L138 Inliner]: procedures = 68, calls = 77, calls flagged for inlining = 46, calls inlined = 46, statements flattened = 13217 [2024-11-16 09:04:32,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:04:32,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:04:32,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:04:32,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:04:32,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,428 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 09:04:32,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:04:32,769 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:04:32,770 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:04:32,770 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:04:32,771 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (1/1) ... [2024-11-16 09:04:32,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:04:32,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:04:32,818 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 09:04:32,838 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 09:04:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:04:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-16 09:04:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-16 09:04:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:04:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:04:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-16 09:04:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-16 09:04:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-16 09:04:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-16 09:04:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-16 09:04:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-16 09:04:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-16 09:04:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-16 09:04:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:04:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:04:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:04:33,148 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:04:33,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:04:40,800 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc calculate_output3_#t~ret16#1; [2024-11-16 09:04:40,800 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc calculate_output5_#t~ret18#1; [2024-11-16 09:04:40,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc calculate_output2_#t~ret15#1; [2024-11-16 09:04:40,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc calculate_output7_#t~ret20#1; [2024-11-16 09:04:40,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc calculate_output6_#t~ret19#1; [2024-11-16 09:04:40,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc calculate_output4_#t~ret17#1; [2024-11-16 09:04:40,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc calculate_output_#t~ret14#1; [2024-11-16 09:04:41,169 INFO L? ?]: Removed 1755 outVars from TransFormulas that were not future-live. [2024-11-16 09:04:41,169 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:04:41,235 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:04:41,235 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:04:41,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:04:41 BoogieIcfgContainer [2024-11-16 09:04:41,236 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:04:41,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:04:41,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:04:41,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:04:41,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:04:28" (1/3) ... [2024-11-16 09:04:41,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92699aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:04:41, skipping insertion in model container [2024-11-16 09:04:41,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:04:31" (2/3) ... [2024-11-16 09:04:41,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92699aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:04:41, skipping insertion in model container [2024-11-16 09:04:41,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:04:41" (3/3) ... [2024-11-16 09:04:41,246 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label40+token_ring.12.cil-2.c [2024-11-16 09:04:41,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:04:41,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:04:41,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:04:41,385 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;@40b7b7d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:04:41,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:04:41,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 2641 states, 2606 states have (on average 1.818495778971604) internal successors, (4739), 2609 states have internal predecessors, (4739), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 09:04:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:04:41,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:04:41,426 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] [2024-11-16 09:04:41,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:04:41,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:04:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1943481076, now seen corresponding path program 1 times [2024-11-16 09:04:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:04:41,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881672485] [2024-11-16 09:04:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:04:41,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:04:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:04:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:42,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:04:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:04:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:04:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:04:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:42,441 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 09:04:42,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:04:42,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881672485] [2024-11-16 09:04:42,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881672485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:04:42,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:04:42,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:04:42,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868472096] [2024-11-16 09:04:42,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:04:42,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:04:42,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:04:42,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:04:42,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:04:42,489 INFO L87 Difference]: Start difference. First operand has 2641 states, 2606 states have (on average 1.818495778971604) internal successors, (4739), 2609 states have internal predecessors, (4739), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:46,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:04:46,260 INFO L93 Difference]: Finished difference Result 5968 states and 10711 transitions. [2024-11-16 09:04:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:04:46,263 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:04:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:04:46,300 INFO L225 Difference]: With dead ends: 5968 [2024-11-16 09:04:46,301 INFO L226 Difference]: Without dead ends: 3275 [2024-11-16 09:04:46,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:04:46,312 INFO L432 NwaCegarLoop]: 4455 mSDtfsCounter, 5647 mSDsluCounter, 13383 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 17838 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:04:46,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5666 Valid, 17838 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [108 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 09:04:46,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2024-11-16 09:04:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 2991. [2024-11-16 09:04:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2929 states have (on average 1.7664731990440423) internal successors, (5174), 2932 states have internal predecessors, (5174), 47 states have call successors, (47), 12 states have call predecessors, (47), 13 states have return successors, (50), 47 states have call predecessors, (50), 47 states have call successors, (50) [2024-11-16 09:04:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 5271 transitions. [2024-11-16 09:04:46,500 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 5271 transitions. Word has length 183 [2024-11-16 09:04:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:04:46,501 INFO L471 AbstractCegarLoop]: Abstraction has 2991 states and 5271 transitions. [2024-11-16 09:04:46,501 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 5271 transitions. [2024-11-16 09:04:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:04:46,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:04:46,508 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] [2024-11-16 09:04:46,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:04:46,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:04:46,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:04:46,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1309942002, now seen corresponding path program 1 times [2024-11-16 09:04:46,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:04:46,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535787887] [2024-11-16 09:04:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:04:46,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:04:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:04:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:04:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:04:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:04:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:04:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:46,875 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 09:04:46,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:04:46,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535787887] [2024-11-16 09:04:46,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535787887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:04:46,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:04:46,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:04:46,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516589295] [2024-11-16 09:04:46,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:04:46,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:04:46,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:04:46,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:04:46,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:04:46,879 INFO L87 Difference]: Start difference. First operand 2991 states and 5271 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:04:48,873 INFO L93 Difference]: Finished difference Result 4144 states and 7077 transitions. [2024-11-16 09:04:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:04:48,874 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:04:48,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:04:48,888 INFO L225 Difference]: With dead ends: 4144 [2024-11-16 09:04:48,889 INFO L226 Difference]: Without dead ends: 3296 [2024-11-16 09:04:48,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:04:48,894 INFO L432 NwaCegarLoop]: 4318 mSDtfsCounter, 5316 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 17111 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:04:48,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5336 Valid, 17111 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:04:48,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2024-11-16 09:04:48,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 2991. [2024-11-16 09:04:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2929 states have (on average 1.7657903721406623) internal successors, (5172), 2932 states have internal predecessors, (5172), 47 states have call successors, (47), 12 states have call predecessors, (47), 13 states have return successors, (50), 47 states have call predecessors, (50), 47 states have call successors, (50) [2024-11-16 09:04:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 5269 transitions. [2024-11-16 09:04:49,056 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 5269 transitions. Word has length 183 [2024-11-16 09:04:49,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:04:49,057 INFO L471 AbstractCegarLoop]: Abstraction has 2991 states and 5269 transitions. [2024-11-16 09:04:49,057 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 5269 transitions. [2024-11-16 09:04:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:04:49,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:04:49,060 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] [2024-11-16 09:04:49,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:04:49,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:04:49,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:04:49,061 INFO L85 PathProgramCache]: Analyzing trace with hash -503850701, now seen corresponding path program 1 times [2024-11-16 09:04:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:04:49,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936653181] [2024-11-16 09:04:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:04:49,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:04:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:04:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:04:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:04:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:04:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:04:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:49,416 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 09:04:49,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:04:49,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936653181] [2024-11-16 09:04:49,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936653181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:04:49,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:04:49,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:04:49,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434938534] [2024-11-16 09:04:49,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:04:49,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:04:49,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:04:49,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:04:49,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:04:49,420 INFO L87 Difference]: Start difference. First operand 2991 states and 5269 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:04:52,825 INFO L93 Difference]: Finished difference Result 4713 states and 7950 transitions. [2024-11-16 09:04:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:04:52,825 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:04:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:04:52,840 INFO L225 Difference]: With dead ends: 4713 [2024-11-16 09:04:52,841 INFO L226 Difference]: Without dead ends: 3865 [2024-11-16 09:04:52,844 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 09:04:52,845 INFO L432 NwaCegarLoop]: 4389 mSDtfsCounter, 5708 mSDsluCounter, 17417 mSDsCounter, 0 mSdLazyCounter, 3189 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 21806 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:04:52,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 21806 Invalid, 3282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 3189 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 09:04:52,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2024-11-16 09:04:52,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3397. [2024-11-16 09:04:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 3307 states have (on average 1.7326882370728758) internal successors, (5730), 3311 states have internal predecessors, (5730), 68 states have call successors, (68), 18 states have call predecessors, (68), 20 states have return successors, (73), 69 states have call predecessors, (73), 68 states have call successors, (73) [2024-11-16 09:04:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5871 transitions. [2024-11-16 09:04:52,951 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5871 transitions. Word has length 183 [2024-11-16 09:04:52,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:04:52,952 INFO L471 AbstractCegarLoop]: Abstraction has 3397 states and 5871 transitions. [2024-11-16 09:04:52,952 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5871 transitions. [2024-11-16 09:04:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:04:52,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:04:52,955 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] [2024-11-16 09:04:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:04:52,955 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:04:52,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:04:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 546018514, now seen corresponding path program 1 times [2024-11-16 09:04:52,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:04:52,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481798536] [2024-11-16 09:04:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:04:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:04:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:04:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:04:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:04:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:04:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:04:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:53,314 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 09:04:53,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:04:53,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481798536] [2024-11-16 09:04:53,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481798536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:04:53,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:04:53,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:04:53,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681684245] [2024-11-16 09:04:53,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:04:53,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:04:53,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:04:53,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:04:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:04:53,318 INFO L87 Difference]: Start difference. First operand 3397 states and 5871 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:04:57,235 INFO L93 Difference]: Finished difference Result 6227 states and 10266 transitions. [2024-11-16 09:04:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:04:57,236 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:04:57,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:04:57,259 INFO L225 Difference]: With dead ends: 6227 [2024-11-16 09:04:57,259 INFO L226 Difference]: Without dead ends: 4973 [2024-11-16 09:04:57,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:04:57,268 INFO L432 NwaCegarLoop]: 4626 mSDtfsCounter, 5608 mSDsluCounter, 18237 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5627 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 3617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:04:57,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5627 Valid, 22863 Invalid, 3617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 09:04:57,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4973 states. [2024-11-16 09:04:57,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4973 to 4211. [2024-11-16 09:04:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4211 states, 4065 states have (on average 1.6848708487084871) internal successors, (6849), 4071 states have internal predecessors, (6849), 110 states have call successors, (110), 30 states have call predecessors, (110), 34 states have return successors, (123), 113 states have call predecessors, (123), 110 states have call successors, (123) [2024-11-16 09:04:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 7082 transitions. [2024-11-16 09:04:57,474 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 7082 transitions. Word has length 183 [2024-11-16 09:04:57,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:04:57,475 INFO L471 AbstractCegarLoop]: Abstraction has 4211 states and 7082 transitions. [2024-11-16 09:04:57,475 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:04:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 7082 transitions. [2024-11-16 09:04:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:04:57,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:04:57,479 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] [2024-11-16 09:04:57,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:04:57,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:04:57,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:04:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash 718432595, now seen corresponding path program 1 times [2024-11-16 09:04:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:04:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853421439] [2024-11-16 09:04:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:04:57,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:04:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:04:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:04:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:04:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:04:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:04:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:04:57,864 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 09:04:57,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:04:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853421439] [2024-11-16 09:04:57,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853421439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:04:57,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:04:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:04:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420828468] [2024-11-16 09:04:57,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:04:57,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:04:57,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:04:57,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:04:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:04:57,868 INFO L87 Difference]: Start difference. First operand 4211 states and 7082 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:01,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:01,608 INFO L93 Difference]: Finished difference Result 9155 states and 14713 transitions. [2024-11-16 09:05:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:05:01,609 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:01,641 INFO L225 Difference]: With dead ends: 9155 [2024-11-16 09:05:01,641 INFO L226 Difference]: Without dead ends: 7087 [2024-11-16 09:05:01,651 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 09:05:01,652 INFO L432 NwaCegarLoop]: 4626 mSDtfsCounter, 5601 mSDsluCounter, 18237 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:01,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 22863 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 09:05:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7087 states. [2024-11-16 09:05:01,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7087 to 5841. [2024-11-16 09:05:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5841 states, 5583 states have (on average 1.6279777897187893) internal successors, (9089), 5593 states have internal predecessors, (9089), 194 states have call successors, (194), 54 states have call predecessors, (194), 62 states have return successors, (229), 201 states have call predecessors, (229), 194 states have call successors, (229) [2024-11-16 09:05:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 9512 transitions. [2024-11-16 09:05:01,900 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 9512 transitions. Word has length 183 [2024-11-16 09:05:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:01,901 INFO L471 AbstractCegarLoop]: Abstraction has 5841 states and 9512 transitions. [2024-11-16 09:05:01,902 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 9512 transitions. [2024-11-16 09:05:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:01,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:01,906 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] [2024-11-16 09:05:01,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:05:01,907 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:01,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:01,907 INFO L85 PathProgramCache]: Analyzing trace with hash -938573646, now seen corresponding path program 1 times [2024-11-16 09:05:01,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:01,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163762661] [2024-11-16 09:05:01,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:01,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:02,220 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 09:05:02,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:02,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163762661] [2024-11-16 09:05:02,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163762661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:02,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:02,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:02,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123704847] [2024-11-16 09:05:02,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:02,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:02,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:02,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:02,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:02,223 INFO L87 Difference]: Start difference. First operand 5841 states and 9512 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:06,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:06,006 INFO L93 Difference]: Finished difference Result 15011 states and 23625 transitions. [2024-11-16 09:05:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:05:06,007 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:06,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:06,061 INFO L225 Difference]: With dead ends: 15011 [2024-11-16 09:05:06,061 INFO L226 Difference]: Without dead ends: 11313 [2024-11-16 09:05:06,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:05:06,080 INFO L432 NwaCegarLoop]: 4626 mSDtfsCounter, 5597 mSDsluCounter, 18237 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:06,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5616 Valid, 22863 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 09:05:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11313 states. [2024-11-16 09:05:06,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11313 to 9107. [2024-11-16 09:05:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 8625 states have (on average 1.5741449275362318) internal successors, (13577), 8643 states have internal predecessors, (13577), 362 states have call successors, (362), 102 states have call predecessors, (362), 118 states have return successors, (459), 377 states have call predecessors, (459), 362 states have call successors, (459) [2024-11-16 09:05:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 14398 transitions. [2024-11-16 09:05:06,556 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 14398 transitions. Word has length 183 [2024-11-16 09:05:06,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:06,557 INFO L471 AbstractCegarLoop]: Abstraction has 9107 states and 14398 transitions. [2024-11-16 09:05:06,558 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 14398 transitions. [2024-11-16 09:05:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:06,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:06,565 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] [2024-11-16 09:05:06,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:05:06,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:06,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:06,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1823309453, now seen corresponding path program 1 times [2024-11-16 09:05:06,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:06,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157256166] [2024-11-16 09:05:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:06,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:06,864 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 09:05:06,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:06,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157256166] [2024-11-16 09:05:06,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157256166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:06,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:06,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207026406] [2024-11-16 09:05:06,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:06,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:06,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:06,867 INFO L87 Difference]: Start difference. First operand 9107 states and 14398 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:10,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:10,850 INFO L93 Difference]: Finished difference Result 26723 states and 41509 transitions. [2024-11-16 09:05:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:05:10,850 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:10,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:10,909 INFO L225 Difference]: With dead ends: 26723 [2024-11-16 09:05:10,910 INFO L226 Difference]: Without dead ends: 19759 [2024-11-16 09:05:10,934 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 09:05:10,935 INFO L432 NwaCegarLoop]: 4626 mSDtfsCounter, 5593 mSDsluCounter, 18237 mSDsCounter, 0 mSdLazyCounter, 3526 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5612 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 3589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:10,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5612 Valid, 22863 Invalid, 3589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 3526 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 09:05:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19759 states. [2024-11-16 09:05:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19759 to 15653. [2024-11-16 09:05:11,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15653 states, 14723 states have (on average 1.5331793792026083) internal successors, (22573), 14757 states have internal predecessors, (22573), 698 states have call successors, (698), 198 states have call predecessors, (698), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:05:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15653 states to 15653 states and 24244 transitions. [2024-11-16 09:05:11,631 INFO L78 Accepts]: Start accepts. Automaton has 15653 states and 24244 transitions. Word has length 183 [2024-11-16 09:05:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:11,631 INFO L471 AbstractCegarLoop]: Abstraction has 15653 states and 24244 transitions. [2024-11-16 09:05:11,632 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 15653 states and 24244 transitions. [2024-11-16 09:05:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:11,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:11,642 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] [2024-11-16 09:05:11,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:05:11,642 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:11,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:11,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2128943982, now seen corresponding path program 1 times [2024-11-16 09:05:11,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:11,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004668695] [2024-11-16 09:05:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:11,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:11,948 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 09:05:11,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:11,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004668695] [2024-11-16 09:05:11,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004668695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:11,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:11,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:11,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20698962] [2024-11-16 09:05:11,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:11,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:11,950 INFO L87 Difference]: Start difference. First operand 15653 states and 24244 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:14,186 INFO L93 Difference]: Finished difference Result 33522 states and 52067 transitions. [2024-11-16 09:05:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:05:14,187 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:14,259 INFO L225 Difference]: With dead ends: 33522 [2024-11-16 09:05:14,259 INFO L226 Difference]: Without dead ends: 20012 [2024-11-16 09:05:14,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:05:14,304 INFO L432 NwaCegarLoop]: 4317 mSDtfsCounter, 5323 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5343 SdHoareTripleChecker+Valid, 17110 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:14,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5343 Valid, 17110 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1641 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:05:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20012 states. [2024-11-16 09:05:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20012 to 15653. [2024-11-16 09:05:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15653 states, 14723 states have (on average 1.5309379881817564) internal successors, (22540), 14757 states have internal predecessors, (22540), 698 states have call successors, (698), 198 states have call predecessors, (698), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:05:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15653 states to 15653 states and 24211 transitions. [2024-11-16 09:05:15,142 INFO L78 Accepts]: Start accepts. Automaton has 15653 states and 24211 transitions. Word has length 183 [2024-11-16 09:05:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:15,143 INFO L471 AbstractCegarLoop]: Abstraction has 15653 states and 24211 transitions. [2024-11-16 09:05:15,143 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 15653 states and 24211 transitions. [2024-11-16 09:05:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:15,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:15,156 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] [2024-11-16 09:05:15,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:05:15,157 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:15,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:15,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1463427475, now seen corresponding path program 1 times [2024-11-16 09:05:15,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:15,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884497338] [2024-11-16 09:05:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:15,426 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 09:05:15,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:15,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884497338] [2024-11-16 09:05:15,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884497338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:15,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:15,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:15,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245228782] [2024-11-16 09:05:15,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:15,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:15,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:15,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:15,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:15,430 INFO L87 Difference]: Start difference. First operand 15653 states and 24211 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:17,460 INFO L93 Difference]: Finished difference Result 33487 states and 51899 transitions. [2024-11-16 09:05:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:05:17,461 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:17,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:17,522 INFO L225 Difference]: With dead ends: 33487 [2024-11-16 09:05:17,522 INFO L226 Difference]: Without dead ends: 19977 [2024-11-16 09:05:17,549 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 09:05:17,550 INFO L432 NwaCegarLoop]: 4317 mSDtfsCounter, 5321 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5341 SdHoareTripleChecker+Valid, 17110 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:17,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5341 Valid, 17110 Invalid, 1718 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [91 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:05:17,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19977 states. [2024-11-16 09:05:18,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19977 to 15653. [2024-11-16 09:05:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15653 states, 14723 states have (on average 1.5286965971609048) internal successors, (22507), 14757 states have internal predecessors, (22507), 698 states have call successors, (698), 198 states have call predecessors, (698), 230 states have return successors, (973), 729 states have call predecessors, (973), 698 states have call successors, (973) [2024-11-16 09:05:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15653 states to 15653 states and 24178 transitions. [2024-11-16 09:05:18,245 INFO L78 Accepts]: Start accepts. Automaton has 15653 states and 24178 transitions. Word has length 183 [2024-11-16 09:05:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:18,245 INFO L471 AbstractCegarLoop]: Abstraction has 15653 states and 24178 transitions. [2024-11-16 09:05:18,246 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 15653 states and 24178 transitions. [2024-11-16 09:05:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:18,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:18,256 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] [2024-11-16 09:05:18,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:05:18,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:18,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:18,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1884372878, now seen corresponding path program 1 times [2024-11-16 09:05:18,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:18,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989263699] [2024-11-16 09:05:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:18,525 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 09:05:18,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:18,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989263699] [2024-11-16 09:05:18,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989263699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:18,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:18,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:18,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244603750] [2024-11-16 09:05:18,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:18,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:18,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:18,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:18,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:18,527 INFO L87 Difference]: Start difference. First operand 15653 states and 24178 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:23,211 INFO L93 Difference]: Finished difference Result 50075 states and 77001 transitions. [2024-11-16 09:05:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:05:23,211 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:23,326 INFO L225 Difference]: With dead ends: 50075 [2024-11-16 09:05:23,327 INFO L226 Difference]: Without dead ends: 36565 [2024-11-16 09:05:23,359 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 09:05:23,359 INFO L432 NwaCegarLoop]: 4626 mSDtfsCounter, 5573 mSDsluCounter, 18237 mSDsCounter, 0 mSdLazyCounter, 3469 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5592 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:23,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5592 Valid, 22863 Invalid, 3532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3469 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-16 09:05:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36565 states. [2024-11-16 09:05:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36565 to 28839. [2024-11-16 09:05:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28839 states, 27013 states have (on average 1.5009439899307742) internal successors, (40545), 27079 states have internal predecessors, (40545), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:05:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 44078 transitions. [2024-11-16 09:05:24,525 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 44078 transitions. Word has length 183 [2024-11-16 09:05:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:24,526 INFO L471 AbstractCegarLoop]: Abstraction has 28839 states and 44078 transitions. [2024-11-16 09:05:24,526 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 44078 transitions. [2024-11-16 09:05:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:24,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:24,545 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] [2024-11-16 09:05:24,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:05:24,545 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:24,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:24,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1161082445, now seen corresponding path program 1 times [2024-11-16 09:05:24,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:24,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956163879] [2024-11-16 09:05:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:24,793 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 09:05:24,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:24,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956163879] [2024-11-16 09:05:24,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956163879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:24,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:24,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:24,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81506970] [2024-11-16 09:05:24,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:24,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:24,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:24,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:24,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:24,795 INFO L87 Difference]: Start difference. First operand 28839 states and 44078 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:27,525 INFO L93 Difference]: Finished difference Result 63725 states and 98475 transitions. [2024-11-16 09:05:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:05:27,525 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:27,629 INFO L225 Difference]: With dead ends: 63725 [2024-11-16 09:05:27,630 INFO L226 Difference]: Without dead ends: 37029 [2024-11-16 09:05:27,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:05:27,683 INFO L432 NwaCegarLoop]: 4316 mSDtfsCounter, 5382 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5402 SdHoareTripleChecker+Valid, 17109 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:27,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5402 Valid, 17109 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:05:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37029 states. [2024-11-16 09:05:28,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37029 to 28839. [2024-11-16 09:05:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28839 states, 27013 states have (on average 1.4985377410876244) internal successors, (40480), 27079 states have internal predecessors, (40480), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:05:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 44013 transitions. [2024-11-16 09:05:29,054 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 44013 transitions. Word has length 183 [2024-11-16 09:05:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:29,055 INFO L471 AbstractCegarLoop]: Abstraction has 28839 states and 44013 transitions. [2024-11-16 09:05:29,055 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 44013 transitions. [2024-11-16 09:05:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:29,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:29,073 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] [2024-11-16 09:05:29,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:05:29,074 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:29,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:29,074 INFO L85 PathProgramCache]: Analyzing trace with hash 524817490, now seen corresponding path program 1 times [2024-11-16 09:05:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:29,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836268739] [2024-11-16 09:05:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:29,318 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 09:05:29,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:29,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836268739] [2024-11-16 09:05:29,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836268739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:29,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:29,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530152296] [2024-11-16 09:05:29,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:29,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:29,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:29,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:29,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:29,321 INFO L87 Difference]: Start difference. First operand 28839 states and 44013 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:32,558 INFO L93 Difference]: Finished difference Result 63658 states and 98147 transitions. [2024-11-16 09:05:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:05:32,558 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:32,676 INFO L225 Difference]: With dead ends: 63658 [2024-11-16 09:05:32,676 INFO L226 Difference]: Without dead ends: 36962 [2024-11-16 09:05:32,734 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 09:05:32,735 INFO L432 NwaCegarLoop]: 4317 mSDtfsCounter, 5318 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5338 SdHoareTripleChecker+Valid, 17110 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:32,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5338 Valid, 17110 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:05:32,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36962 states. [2024-11-16 09:05:34,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36962 to 28839. [2024-11-16 09:05:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28839 states, 27013 states have (on average 1.4961314922444748) internal successors, (40415), 27079 states have internal predecessors, (40415), 1370 states have call successors, (1370), 390 states have call predecessors, (1370), 454 states have return successors, (2163), 1433 states have call predecessors, (2163), 1370 states have call successors, (2163) [2024-11-16 09:05:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 43948 transitions. [2024-11-16 09:05:34,183 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 43948 transitions. Word has length 183 [2024-11-16 09:05:34,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:05:34,184 INFO L471 AbstractCegarLoop]: Abstraction has 28839 states and 43948 transitions. [2024-11-16 09:05:34,184 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 43948 transitions. [2024-11-16 09:05:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-16 09:05:34,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:05:34,203 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] [2024-11-16 09:05:34,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 09:05:34,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:05:34,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:05:34,204 INFO L85 PathProgramCache]: Analyzing trace with hash 717748691, now seen corresponding path program 1 times [2024-11-16 09:05:34,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:05:34,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878752024] [2024-11-16 09:05:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:05:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:05:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:05:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 09:05:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:05:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 09:05:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 09:05:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:05:34,452 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 09:05:34,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:05:34,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878752024] [2024-11-16 09:05:34,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878752024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:05:34,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:05:34,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:05:34,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512956220] [2024-11-16 09:05:34,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:05:34,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:05:34,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:05:34,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:05:34,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:05:34,455 INFO L87 Difference]: Start difference. First operand 28839 states and 43948 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:05:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:05:38,147 INFO L93 Difference]: Finished difference Result 63591 states and 97819 transitions. [2024-11-16 09:05:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:05:38,147 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 183 [2024-11-16 09:05:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:05:38,231 INFO L225 Difference]: With dead ends: 63591 [2024-11-16 09:05:38,231 INFO L226 Difference]: Without dead ends: 36895 [2024-11-16 09:05:38,279 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 09:05:38,279 INFO L432 NwaCegarLoop]: 4317 mSDtfsCounter, 5150 mSDsluCounter, 17006 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5170 SdHoareTripleChecker+Valid, 21323 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:05:38,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5170 Valid, 21323 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:05:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36895 states.