./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.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 06f1e7cb4ad4b39445b3c30d820384fbedafa8e52cac3d3c0cb4d178fb229699 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 00:02:03,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 00:02:03,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 00:02:03,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 00:02:03,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 00:02:03,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 00:02:03,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 00:02:03,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 00:02:03,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 00:02:03,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 00:02:03,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 00:02:03,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 00:02:03,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 00:02:03,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 00:02:03,948 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 00:02:03,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 00:02:03,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 00:02:03,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 00:02:03,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 00:02:03,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 00:02:03,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 00:02:03,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 00:02:03,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 00:02:03,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 00:02:03,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 00:02:03,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 00:02:03,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 00:02:03,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 00:02:03,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 00:02:03,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 00:02:03,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 00:02:03,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 00:02:03,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:02:03,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 00:02:03,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 00:02:03,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 00:02:03,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 00:02:03,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 00:02:03,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 00:02:03,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 00:02:03,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 00:02:03,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 00:02:03,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06f1e7cb4ad4b39445b3c30d820384fbedafa8e52cac3d3c0cb4d178fb229699 [2024-11-10 00:02:04,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 00:02:04,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 00:02:04,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 00:02:04,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 00:02:04,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 00:02:04,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2024-11-10 00:02:05,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 00:02:06,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 00:02:06,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2024-11-10 00:02:06,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5983925c9/b39d9241c0b84f71b69e9ee4bcfb624a/FLAG0e21f84ae [2024-11-10 00:02:06,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5983925c9/b39d9241c0b84f71b69e9ee4bcfb624a [2024-11-10 00:02:06,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 00:02:06,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 00:02:06,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 00:02:06,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 00:02:06,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 00:02:06,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:02:06" (1/1) ... [2024-11-10 00:02:06,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a384d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:06, skipping insertion in model container [2024-11-10 00:02:06,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:02:06" (1/1) ... [2024-11-10 00:02:06,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 00:02:06,815 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/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[11714,11727] [2024-11-10 00:02:06,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:02:06,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 00:02:06,991 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/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[11714,11727] [2024-11-10 00:02:07,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 00:02:07,061 INFO L204 MainTranslator]: Completed translation [2024-11-10 00:02:07,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07 WrapperNode [2024-11-10 00:02:07,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 00:02:07,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 00:02:07,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 00:02:07,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 00:02:07,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,141 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1037 [2024-11-10 00:02:07,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 00:02:07,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 00:02:07,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 00:02:07,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 00:02:07,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,197 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]. [2024-11-10 00:02:07,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 00:02:07,226 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 00:02:07,226 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 00:02:07,226 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 00:02:07,227 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (1/1) ... [2024-11-10 00:02:07,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 00:02:07,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 00:02:07,293 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) [2024-11-10 00:02:07,296 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 [2024-11-10 00:02:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 00:02:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 00:02:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 00:02:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 00:02:07,587 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 00:02:07,593 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 00:02:08,484 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1159: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L334: havoc main_~node6__m6~0#1;havoc main_~node5__m5~0#1; [2024-11-10 00:02:08,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L334: havoc main_~node6__m6~0#1;havoc main_~node5__m5~0#1; [2024-11-10 00:02:08,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L334: havoc main_~node6__m6~0#1;havoc main_~node5__m5~0#1; [2024-11-10 00:02:08,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467: havoc main_~node6__m6~1#1;havoc main_~node5__m5~1#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1426: havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L601: havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L601: havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:02:08,486 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L601: havoc main_~node6__m6~2#1;havoc main_~node5__m5~2#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: havoc main_~node4__m4~0#1;havoc main_~node3__m3~0#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: havoc main_~node4__m4~0#1;havoc main_~node3__m3~0#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L304: havoc main_~node4__m4~0#1;havoc main_~node3__m3~0#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L437: havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1; [2024-11-10 00:02:08,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L802: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L571: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L571: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L571: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L274: havoc main_~node2__m2~0#1;havoc main_~node1__m1~0#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L274: havoc main_~node2__m2~0#1;havoc main_~node1__m1~0#1; [2024-11-10 00:02:08,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L274: havoc main_~node2__m2~0#1;havoc main_~node1__m1~0#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L274: havoc main_~node2__m2~0#1;havoc main_~node1__m1~0#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1; [2024-11-10 00:02:08,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L541: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:02:08,490 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L509: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L509: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L509: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L509: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:02:08,491 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L509: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1567: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1336: havoc main_~node6____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1204: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: havoc main_~init__tmp~0#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L643: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L643: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-10 00:02:08,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L643: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L643: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L643: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1471: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node6____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L847: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,493 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1381: havoc main_~node5____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1516: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L757: havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1255: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: havoc main_~node6____CPAchecker_TMP_0~1#1; [2024-11-10 00:02:08,494 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L892: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-10 00:02:08,560 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-10 00:02:08,560 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 00:02:08,584 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 00:02:08,584 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 00:02:08,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:02:08 BoogieIcfgContainer [2024-11-10 00:02:08,585 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 00:02:08,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 00:02:08,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 00:02:08,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 00:02:08,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:02:06" (1/3) ... [2024-11-10 00:02:08,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b35d8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:02:08, skipping insertion in model container [2024-11-10 00:02:08,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:07" (2/3) ... [2024-11-10 00:02:08,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b35d8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:02:08, skipping insertion in model container [2024-11-10 00:02:08,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 12:02:08" (3/3) ... [2024-11-10 00:02:08,594 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2024-11-10 00:02:08,610 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 00:02:08,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 00:02:08,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 00:02:08,693 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;@3dd27cde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 00:02:08,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 00:02:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 306 states, 304 states have (on average 1.5625) internal successors, (475), 305 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 00:02:08,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:08,716 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] [2024-11-10 00:02:08,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1936168753, now seen corresponding path program 1 times [2024-11-10 00:02:08,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:08,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619628673] [2024-11-10 00:02:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:09,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:09,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619628673] [2024-11-10 00:02:09,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619628673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:09,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:09,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:02:09,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090439087] [2024-11-10 00:02:09,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:09,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:02:09,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:09,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:02:09,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:02:09,454 INFO L87 Difference]: Start difference. First operand has 306 states, 304 states have (on average 1.5625) internal successors, (475), 305 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:09,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:09,583 INFO L93 Difference]: Finished difference Result 569 states and 867 transitions. [2024-11-10 00:02:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:02:09,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-10 00:02:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:09,597 INFO L225 Difference]: With dead ends: 569 [2024-11-10 00:02:09,597 INFO L226 Difference]: Without dead ends: 302 [2024-11-10 00:02:09,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:02:09,603 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 39 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:09,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1369 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:02:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-10 00:02:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-10 00:02:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.4219269102990033) internal successors, (428), 301 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 428 transitions. [2024-11-10 00:02:09,655 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 428 transitions. Word has length 91 [2024-11-10 00:02:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:09,656 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 428 transitions. [2024-11-10 00:02:09,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 428 transitions. [2024-11-10 00:02:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-10 00:02:09,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:09,664 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] [2024-11-10 00:02:09,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 00:02:09,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:09,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1199327709, now seen corresponding path program 1 times [2024-11-10 00:02:09,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:09,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509241847] [2024-11-10 00:02:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:09,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:09,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509241847] [2024-11-10 00:02:09,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509241847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:09,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:09,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:09,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073368651] [2024-11-10 00:02:09,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:09,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:09,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:09,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:09,918 INFO L87 Difference]: Start difference. First operand 302 states and 428 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:09,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:09,963 INFO L93 Difference]: Finished difference Result 618 states and 923 transitions. [2024-11-10 00:02:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:09,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2024-11-10 00:02:09,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:09,967 INFO L225 Difference]: With dead ends: 618 [2024-11-10 00:02:09,969 INFO L226 Difference]: Without dead ends: 416 [2024-11-10 00:02:09,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:09,972 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 213 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:09,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 719 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-10 00:02:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2024-11-10 00:02:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 1.4576271186440677) internal successors, (602), 413 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 602 transitions. [2024-11-10 00:02:10,008 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 602 transitions. Word has length 169 [2024-11-10 00:02:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:10,010 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 602 transitions. [2024-11-10 00:02:10,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 602 transitions. [2024-11-10 00:02:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-10 00:02:10,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:10,017 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] [2024-11-10 00:02:10,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 00:02:10,017 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:10,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:10,018 INFO L85 PathProgramCache]: Analyzing trace with hash -449816902, now seen corresponding path program 1 times [2024-11-10 00:02:10,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:10,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537256819] [2024-11-10 00:02:10,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:10,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:10,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:10,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537256819] [2024-11-10 00:02:10,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537256819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:10,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:10,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:10,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881164598] [2024-11-10 00:02:10,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:10,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:10,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:10,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:10,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,220 INFO L87 Difference]: Start difference. First operand 414 states and 602 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:10,257 INFO L93 Difference]: Finished difference Result 924 states and 1400 transitions. [2024-11-10 00:02:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:10,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2024-11-10 00:02:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:10,261 INFO L225 Difference]: With dead ends: 924 [2024-11-10 00:02:10,261 INFO L226 Difference]: Without dead ends: 616 [2024-11-10 00:02:10,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,264 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 200 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:10,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 699 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-10 00:02:10,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 614. [2024-11-10 00:02:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 613 states have (on average 1.4877650897226753) internal successors, (912), 613 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 912 transitions. [2024-11-10 00:02:10,298 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 912 transitions. Word has length 171 [2024-11-10 00:02:10,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:10,299 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 912 transitions. [2024-11-10 00:02:10,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 912 transitions. [2024-11-10 00:02:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 00:02:10,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:10,302 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] [2024-11-10 00:02:10,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 00:02:10,302 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:10,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash -984784340, now seen corresponding path program 1 times [2024-11-10 00:02:10,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:10,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506935836] [2024-11-10 00:02:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:10,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:10,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506935836] [2024-11-10 00:02:10,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506935836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:10,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:10,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:10,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809836735] [2024-11-10 00:02:10,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:10,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:10,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:10,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:10,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,479 INFO L87 Difference]: Start difference. First operand 614 states and 912 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:10,521 INFO L93 Difference]: Finished difference Result 1466 states and 2240 transitions. [2024-11-10 00:02:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2024-11-10 00:02:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:10,527 INFO L225 Difference]: With dead ends: 1466 [2024-11-10 00:02:10,527 INFO L226 Difference]: Without dead ends: 964 [2024-11-10 00:02:10,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,532 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 187 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:10,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 679 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:10,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-10 00:02:10,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 962. [2024-11-10 00:02:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.5067637877211237) internal successors, (1448), 961 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1448 transitions. [2024-11-10 00:02:10,558 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1448 transitions. Word has length 173 [2024-11-10 00:02:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:10,559 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1448 transitions. [2024-11-10 00:02:10,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1448 transitions. [2024-11-10 00:02:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 00:02:10,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:10,563 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] [2024-11-10 00:02:10,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 00:02:10,564 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:10,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash 890128025, now seen corresponding path program 1 times [2024-11-10 00:02:10,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:10,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976443418] [2024-11-10 00:02:10,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:10,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:10,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:10,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976443418] [2024-11-10 00:02:10,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976443418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:10,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:10,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:10,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625022484] [2024-11-10 00:02:10,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:10,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:10,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,712 INFO L87 Difference]: Start difference. First operand 962 states and 1448 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:10,748 INFO L93 Difference]: Finished difference Result 2396 states and 3668 transitions. [2024-11-10 00:02:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:10,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2024-11-10 00:02:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:10,756 INFO L225 Difference]: With dead ends: 2396 [2024-11-10 00:02:10,756 INFO L226 Difference]: Without dead ends: 1552 [2024-11-10 00:02:10,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,759 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 174 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:10,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 693 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2024-11-10 00:02:10,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1550. [2024-11-10 00:02:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1549 states have (on average 1.513234344738541) internal successors, (2344), 1549 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2344 transitions. [2024-11-10 00:02:10,791 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2344 transitions. Word has length 175 [2024-11-10 00:02:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:10,792 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2344 transitions. [2024-11-10 00:02:10,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2344 transitions. [2024-11-10 00:02:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 00:02:10,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:10,796 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] [2024-11-10 00:02:10,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 00:02:10,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:10,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:10,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1323958754, now seen corresponding path program 1 times [2024-11-10 00:02:10,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:10,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362853272] [2024-11-10 00:02:10,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:10,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:10,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:10,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362853272] [2024-11-10 00:02:10,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362853272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:10,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:10,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:10,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165618645] [2024-11-10 00:02:10,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:10,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:10,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:10,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:10,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,928 INFO L87 Difference]: Start difference. First operand 1550 states and 2344 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:10,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:10,971 INFO L93 Difference]: Finished difference Result 3934 states and 5996 transitions. [2024-11-10 00:02:10,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:10,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2024-11-10 00:02:10,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:10,981 INFO L225 Difference]: With dead ends: 3934 [2024-11-10 00:02:10,981 INFO L226 Difference]: Without dead ends: 2508 [2024-11-10 00:02:10,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:10,985 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 161 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:10,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 639 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:10,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2024-11-10 00:02:11,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2506. [2024-11-10 00:02:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2505 states have (on average 1.5073852295409182) internal successors, (3776), 2505 states have internal predecessors, (3776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3776 transitions. [2024-11-10 00:02:11,040 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3776 transitions. Word has length 177 [2024-11-10 00:02:11,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:11,041 INFO L471 AbstractCegarLoop]: Abstraction has 2506 states and 3776 transitions. [2024-11-10 00:02:11,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3776 transitions. [2024-11-10 00:02:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 00:02:11,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:11,048 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] [2024-11-10 00:02:11,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 00:02:11,048 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:11,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:11,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1402423873, now seen corresponding path program 1 times [2024-11-10 00:02:11,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:11,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835279450] [2024-11-10 00:02:11,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:11,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835279450] [2024-11-10 00:02:11,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835279450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:11,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:11,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:11,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167232990] [2024-11-10 00:02:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:11,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:11,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:11,336 INFO L87 Difference]: Start difference. First operand 2506 states and 3776 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:12,087 INFO L93 Difference]: Finished difference Result 26803 states and 40711 transitions. [2024-11-10 00:02:12,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 00:02:12,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-10 00:02:12,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:12,183 INFO L225 Difference]: With dead ends: 26803 [2024-11-10 00:02:12,184 INFO L226 Difference]: Without dead ends: 24428 [2024-11-10 00:02:12,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-11-10 00:02:12,195 INFO L432 NwaCegarLoop]: 846 mSDtfsCounter, 2915 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2915 SdHoareTripleChecker+Valid, 6096 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:12,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2915 Valid, 6096 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:02:12,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24428 states. [2024-11-10 00:02:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24428 to 4917. [2024-11-10 00:02:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4917 states, 4916 states have (on average 1.4892188771358827) internal successors, (7321), 4916 states have internal predecessors, (7321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4917 states to 4917 states and 7321 transitions. [2024-11-10 00:02:12,492 INFO L78 Accepts]: Start accepts. Automaton has 4917 states and 7321 transitions. Word has length 179 [2024-11-10 00:02:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:12,493 INFO L471 AbstractCegarLoop]: Abstraction has 4917 states and 7321 transitions. [2024-11-10 00:02:12,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 7321 transitions. [2024-11-10 00:02:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 00:02:12,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:12,502 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] [2024-11-10 00:02:12,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 00:02:12,503 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:12,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash 924818336, now seen corresponding path program 1 times [2024-11-10 00:02:12,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:12,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611791355] [2024-11-10 00:02:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:12,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:12,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611791355] [2024-11-10 00:02:12,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611791355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:12,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:12,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:12,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164123223] [2024-11-10 00:02:12,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:12,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:12,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:12,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:12,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:12,651 INFO L87 Difference]: Start difference. First operand 4917 states and 7321 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:12,727 INFO L93 Difference]: Finished difference Result 13710 states and 20425 transitions. [2024-11-10 00:02:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:12,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2024-11-10 00:02:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:12,746 INFO L225 Difference]: With dead ends: 13710 [2024-11-10 00:02:12,747 INFO L226 Difference]: Without dead ends: 8881 [2024-11-10 00:02:12,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:12,755 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 211 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:12,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 840 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8881 states. [2024-11-10 00:02:12,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8881 to 8879. [2024-11-10 00:02:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8879 states, 8878 states have (on average 1.4788240594728543) internal successors, (13129), 8878 states have internal predecessors, (13129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 13129 transitions. [2024-11-10 00:02:12,904 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 13129 transitions. Word has length 182 [2024-11-10 00:02:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:12,904 INFO L471 AbstractCegarLoop]: Abstraction has 8879 states and 13129 transitions. [2024-11-10 00:02:12,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 13129 transitions. [2024-11-10 00:02:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 00:02:12,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:12,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:12,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 00:02:12,922 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:12,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:12,923 INFO L85 PathProgramCache]: Analyzing trace with hash -286906932, now seen corresponding path program 1 times [2024-11-10 00:02:12,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:12,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587827616] [2024-11-10 00:02:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:12,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:13,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:13,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587827616] [2024-11-10 00:02:13,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587827616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:13,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:13,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:13,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548360333] [2024-11-10 00:02:13,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:13,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:13,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:13,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:13,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:13,475 INFO L87 Difference]: Start difference. First operand 8879 states and 13129 transitions. Second operand has 8 states, 8 states have (on average 23.0) internal successors, (184), 8 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:13,921 INFO L93 Difference]: Finished difference Result 17634 states and 26118 transitions. [2024-11-10 00:02:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:13,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 8 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2024-11-10 00:02:13,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:13,938 INFO L225 Difference]: With dead ends: 17634 [2024-11-10 00:02:13,939 INFO L226 Difference]: Without dead ends: 8881 [2024-11-10 00:02:13,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-10 00:02:13,948 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 1000 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:13,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1475 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:02:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8881 states. [2024-11-10 00:02:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8881 to 8879. [2024-11-10 00:02:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8879 states, 8878 states have (on average 1.4642937598558234) internal successors, (13000), 8878 states have internal predecessors, (13000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 13000 transitions. [2024-11-10 00:02:14,106 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 13000 transitions. Word has length 184 [2024-11-10 00:02:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:14,107 INFO L471 AbstractCegarLoop]: Abstraction has 8879 states and 13000 transitions. [2024-11-10 00:02:14,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 8 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 13000 transitions. [2024-11-10 00:02:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-10 00:02:14,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:14,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:14,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 00:02:14,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:14,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:14,124 INFO L85 PathProgramCache]: Analyzing trace with hash -733719671, now seen corresponding path program 1 times [2024-11-10 00:02:14,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:14,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677870790] [2024-11-10 00:02:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:14,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677870790] [2024-11-10 00:02:14,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677870790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:14,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:14,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:14,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851986335] [2024-11-10 00:02:14,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:14,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:14,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:14,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:14,255 INFO L87 Difference]: Start difference. First operand 8879 states and 13000 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:14,460 INFO L93 Difference]: Finished difference Result 20457 states and 30063 transitions. [2024-11-10 00:02:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2024-11-10 00:02:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:14,482 INFO L225 Difference]: With dead ends: 20457 [2024-11-10 00:02:14,482 INFO L226 Difference]: Without dead ends: 11700 [2024-11-10 00:02:14,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:14,494 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 231 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:14,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 569 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:14,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11700 states. [2024-11-10 00:02:14,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11700 to 11634. [2024-11-10 00:02:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11634 states, 11633 states have (on average 1.4506146307917132) internal successors, (16875), 11633 states have internal predecessors, (16875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11634 states to 11634 states and 16875 transitions. [2024-11-10 00:02:14,747 INFO L78 Accepts]: Start accepts. Automaton has 11634 states and 16875 transitions. Word has length 186 [2024-11-10 00:02:14,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:14,747 INFO L471 AbstractCegarLoop]: Abstraction has 11634 states and 16875 transitions. [2024-11-10 00:02:14,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 11634 states and 16875 transitions. [2024-11-10 00:02:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:14,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:14,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:14,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 00:02:14,772 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:14,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash -159071823, now seen corresponding path program 1 times [2024-11-10 00:02:14,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:14,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731015336] [2024-11-10 00:02:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731015336] [2024-11-10 00:02:14,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731015336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:14,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:14,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:14,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551414075] [2024-11-10 00:02:14,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:14,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:14,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:14,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:14,893 INFO L87 Difference]: Start difference. First operand 11634 states and 16875 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:15,225 INFO L93 Difference]: Finished difference Result 33296 states and 48359 transitions. [2024-11-10 00:02:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:15,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:15,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:15,267 INFO L225 Difference]: With dead ends: 33296 [2024-11-10 00:02:15,268 INFO L226 Difference]: Without dead ends: 23067 [2024-11-10 00:02:15,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:15,348 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 220 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:15,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 498 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:02:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23067 states. [2024-11-10 00:02:15,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23067 to 23065. [2024-11-10 00:02:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23065 states, 23064 states have (on average 1.445369406867846) internal successors, (33336), 23064 states have internal predecessors, (33336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23065 states to 23065 states and 33336 transitions. [2024-11-10 00:02:15,722 INFO L78 Accepts]: Start accepts. Automaton has 23065 states and 33336 transitions. Word has length 187 [2024-11-10 00:02:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:15,723 INFO L471 AbstractCegarLoop]: Abstraction has 23065 states and 33336 transitions. [2024-11-10 00:02:15,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 23065 states and 33336 transitions. [2024-11-10 00:02:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:15,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:15,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:15,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 00:02:15,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:15,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 722838354, now seen corresponding path program 1 times [2024-11-10 00:02:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399011787] [2024-11-10 00:02:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:16,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399011787] [2024-11-10 00:02:16,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399011787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:16,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:16,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437229232] [2024-11-10 00:02:16,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:16,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:16,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:16,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:16,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:16,188 INFO L87 Difference]: Start difference. First operand 23065 states and 33336 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:17,368 INFO L93 Difference]: Finished difference Result 141142 states and 204400 transitions. [2024-11-10 00:02:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:17,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:17,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:17,754 INFO L225 Difference]: With dead ends: 141142 [2024-11-10 00:02:17,755 INFO L226 Difference]: Without dead ends: 122996 [2024-11-10 00:02:17,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:17,851 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 2427 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 2506 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:17,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 2506 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:02:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122996 states. [2024-11-10 00:02:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122996 to 42783. [2024-11-10 00:02:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42783 states, 42782 states have (on average 1.437941190220186) internal successors, (61518), 42782 states have internal predecessors, (61518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42783 states to 42783 states and 61518 transitions. [2024-11-10 00:02:19,354 INFO L78 Accepts]: Start accepts. Automaton has 42783 states and 61518 transitions. Word has length 187 [2024-11-10 00:02:19,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:19,354 INFO L471 AbstractCegarLoop]: Abstraction has 42783 states and 61518 transitions. [2024-11-10 00:02:19,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 42783 states and 61518 transitions. [2024-11-10 00:02:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:19,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:19,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:19,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 00:02:19,434 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:19,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:19,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1101337861, now seen corresponding path program 1 times [2024-11-10 00:02:19,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:19,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627548212] [2024-11-10 00:02:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:20,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:20,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627548212] [2024-11-10 00:02:20,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627548212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:20,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:20,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:20,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110023731] [2024-11-10 00:02:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:20,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:20,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:20,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:20,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:20,123 INFO L87 Difference]: Start difference. First operand 42783 states and 61518 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:21,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:21,103 INFO L93 Difference]: Finished difference Result 159686 states and 231072 transitions. [2024-11-10 00:02:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:21,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:21,463 INFO L225 Difference]: With dead ends: 159686 [2024-11-10 00:02:21,464 INFO L226 Difference]: Without dead ends: 141540 [2024-11-10 00:02:21,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:21,516 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 2176 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:21,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 2890 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:02:21,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141540 states. [2024-11-10 00:02:23,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141540 to 71347. [2024-11-10 00:02:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71347 states, 71346 states have (on average 1.4329885347461666) internal successors, (102238), 71346 states have internal predecessors, (102238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71347 states to 71347 states and 102238 transitions. [2024-11-10 00:02:23,349 INFO L78 Accepts]: Start accepts. Automaton has 71347 states and 102238 transitions. Word has length 187 [2024-11-10 00:02:23,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:23,350 INFO L471 AbstractCegarLoop]: Abstraction has 71347 states and 102238 transitions. [2024-11-10 00:02:23,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 71347 states and 102238 transitions. [2024-11-10 00:02:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:23,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:23,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:23,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 00:02:23,427 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:23,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1590046399, now seen corresponding path program 1 times [2024-11-10 00:02:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:23,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961493348] [2024-11-10 00:02:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:23,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:23,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:23,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961493348] [2024-11-10 00:02:23,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961493348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:23,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:23,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144300858] [2024-11-10 00:02:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:23,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:23,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:23,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:23,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:23,878 INFO L87 Difference]: Start difference. First operand 71347 states and 102238 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:25,058 INFO L93 Difference]: Finished difference Result 178638 states and 258312 transitions. [2024-11-10 00:02:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:25,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:25,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:25,379 INFO L225 Difference]: With dead ends: 178638 [2024-11-10 00:02:25,380 INFO L226 Difference]: Without dead ends: 160492 [2024-11-10 00:02:25,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:25,462 INFO L432 NwaCegarLoop]: 759 mSDtfsCounter, 2046 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:25,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 3118 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:02:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160492 states. [2024-11-10 00:02:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160492 to 90787. [2024-11-10 00:02:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90787 states, 90786 states have (on average 1.4340757385499967) internal successors, (130194), 90786 states have internal predecessors, (130194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90787 states to 90787 states and 130194 transitions. [2024-11-10 00:02:27,689 INFO L78 Accepts]: Start accepts. Automaton has 90787 states and 130194 transitions. Word has length 187 [2024-11-10 00:02:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:27,690 INFO L471 AbstractCegarLoop]: Abstraction has 90787 states and 130194 transitions. [2024-11-10 00:02:27,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 90787 states and 130194 transitions. [2024-11-10 00:02:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:27,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:27,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:27,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 00:02:27,767 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:27,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1150968028, now seen corresponding path program 1 times [2024-11-10 00:02:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:27,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864738250] [2024-11-10 00:02:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:28,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:28,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864738250] [2024-11-10 00:02:28,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864738250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:28,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:28,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:28,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685282601] [2024-11-10 00:02:28,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:28,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:28,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:28,102 INFO L87 Difference]: Start difference. First operand 90787 states and 130194 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:29,461 INFO L93 Difference]: Finished difference Result 197866 states and 285956 transitions. [2024-11-10 00:02:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:29,693 INFO L225 Difference]: With dead ends: 197866 [2024-11-10 00:02:29,693 INFO L226 Difference]: Without dead ends: 179720 [2024-11-10 00:02:29,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:29,748 INFO L432 NwaCegarLoop]: 822 mSDtfsCounter, 2113 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:29,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 2948 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:02:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179720 states. [2024-11-10 00:02:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179720 to 110281. [2024-11-10 00:02:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110281 states, 110280 states have (on average 1.434892999637287) internal successors, (158240), 110280 states have internal predecessors, (158240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110281 states to 110281 states and 158240 transitions. [2024-11-10 00:02:31,861 INFO L78 Accepts]: Start accepts. Automaton has 110281 states and 158240 transitions. Word has length 187 [2024-11-10 00:02:31,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:31,861 INFO L471 AbstractCegarLoop]: Abstraction has 110281 states and 158240 transitions. [2024-11-10 00:02:31,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 110281 states and 158240 transitions. [2024-11-10 00:02:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 00:02:31,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:31,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:31,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 00:02:31,945 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash 816444955, now seen corresponding path program 1 times [2024-11-10 00:02:31,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:31,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412723829] [2024-11-10 00:02:31,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:32,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412723829] [2024-11-10 00:02:32,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412723829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:32,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:32,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:32,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717449665] [2024-11-10 00:02:32,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:32,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:32,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:32,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:32,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:32,230 INFO L87 Difference]: Start difference. First operand 110281 states and 158240 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:33,656 INFO L93 Difference]: Finished difference Result 217268 states and 313862 transitions. [2024-11-10 00:02:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:33,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2024-11-10 00:02:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:33,979 INFO L225 Difference]: With dead ends: 217268 [2024-11-10 00:02:33,979 INFO L226 Difference]: Without dead ends: 199122 [2024-11-10 00:02:34,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:34,044 INFO L432 NwaCegarLoop]: 877 mSDtfsCounter, 2213 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 3207 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:34,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 3207 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 00:02:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199122 states. [2024-11-10 00:02:36,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199122 to 129792. [2024-11-10 00:02:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129792 states, 129791 states have (on average 1.4354847408526015) internal successors, (186313), 129791 states have internal predecessors, (186313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:36,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129792 states to 129792 states and 186313 transitions. [2024-11-10 00:02:36,579 INFO L78 Accepts]: Start accepts. Automaton has 129792 states and 186313 transitions. Word has length 187 [2024-11-10 00:02:36,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:36,579 INFO L471 AbstractCegarLoop]: Abstraction has 129792 states and 186313 transitions. [2024-11-10 00:02:36,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 8 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 129792 states and 186313 transitions. [2024-11-10 00:02:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 00:02:36,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:36,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:36,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 00:02:36,659 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:36,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:36,660 INFO L85 PathProgramCache]: Analyzing trace with hash 395183239, now seen corresponding path program 1 times [2024-11-10 00:02:36,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:36,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134050396] [2024-11-10 00:02:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:36,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:36,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134050396] [2024-11-10 00:02:36,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134050396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:36,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:36,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:02:36,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907386516] [2024-11-10 00:02:36,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:36,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:02:36,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:36,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:02:36,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:02:36,914 INFO L87 Difference]: Start difference. First operand 129792 states and 186313 transitions. Second operand has 8 states, 8 states have (on average 23.5) internal successors, (188), 8 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:38,306 INFO L93 Difference]: Finished difference Result 225345 states and 325629 transitions. [2024-11-10 00:02:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:02:38,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.5) internal successors, (188), 8 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2024-11-10 00:02:38,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:38,636 INFO L225 Difference]: With dead ends: 225345 [2024-11-10 00:02:38,636 INFO L226 Difference]: Without dead ends: 212991 [2024-11-10 00:02:38,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:02:38,701 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 2118 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2118 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:38,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2118 Valid, 3097 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:02:38,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212991 states. [2024-11-10 00:02:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212991 to 143661. [2024-11-10 00:02:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143661 states, 143660 states have (on average 1.4369483502714744) internal successors, (206432), 143660 states have internal predecessors, (206432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143661 states to 143661 states and 206432 transitions. [2024-11-10 00:02:41,635 INFO L78 Accepts]: Start accepts. Automaton has 143661 states and 206432 transitions. Word has length 188 [2024-11-10 00:02:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:41,636 INFO L471 AbstractCegarLoop]: Abstraction has 143661 states and 206432 transitions. [2024-11-10 00:02:41,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.5) internal successors, (188), 8 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 143661 states and 206432 transitions. [2024-11-10 00:02:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 00:02:41,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:41,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:41,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 00:02:41,736 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:41,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash 322979626, now seen corresponding path program 1 times [2024-11-10 00:02:41,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:41,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998391020] [2024-11-10 00:02:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:41,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:41,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998391020] [2024-11-10 00:02:41,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998391020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:41,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:41,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:02:41,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785994069] [2024-11-10 00:02:41,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:41,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 00:02:41,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:41,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 00:02:41,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 00:02:41,886 INFO L87 Difference]: Start difference. First operand 143661 states and 206432 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:43,297 INFO L93 Difference]: Finished difference Result 211714 states and 305180 transitions. [2024-11-10 00:02:43,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 00:02:43,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2024-11-10 00:02:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:43,388 INFO L225 Difference]: With dead ends: 211714 [2024-11-10 00:02:43,388 INFO L226 Difference]: Without dead ends: 72229 [2024-11-10 00:02:43,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 00:02:43,427 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 981 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:43,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 247 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:02:43,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72229 states. [2024-11-10 00:02:44,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72229 to 72229. [2024-11-10 00:02:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72229 states, 72228 states have (on average 1.4345683114581602) internal successors, (103616), 72228 states have internal predecessors, (103616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72229 states to 72229 states and 103616 transitions. [2024-11-10 00:02:44,780 INFO L78 Accepts]: Start accepts. Automaton has 72229 states and 103616 transitions. Word has length 189 [2024-11-10 00:02:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:44,781 INFO L471 AbstractCegarLoop]: Abstraction has 72229 states and 103616 transitions. [2024-11-10 00:02:44,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 72229 states and 103616 transitions. [2024-11-10 00:02:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 00:02:44,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:44,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:44,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 00:02:44,830 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:44,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash -140860854, now seen corresponding path program 1 times [2024-11-10 00:02:44,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:44,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424018498] [2024-11-10 00:02:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:44,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:44,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:44,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424018498] [2024-11-10 00:02:44,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424018498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:44,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:44,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:44,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163096636] [2024-11-10 00:02:44,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:44,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:44,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:44,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:44,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:44,985 INFO L87 Difference]: Start difference. First operand 72229 states and 103616 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:45,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:45,249 INFO L93 Difference]: Finished difference Result 118313 states and 170818 transitions. [2024-11-10 00:02:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:45,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2024-11-10 00:02:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:45,323 INFO L225 Difference]: With dead ends: 118313 [2024-11-10 00:02:45,323 INFO L226 Difference]: Without dead ends: 50552 [2024-11-10 00:02:45,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:45,368 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 131 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:45,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 642 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50552 states. [2024-11-10 00:02:46,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50552 to 50550. [2024-11-10 00:02:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50550 states, 50549 states have (on average 1.440760450256187) internal successors, (72829), 50549 states have internal predecessors, (72829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50550 states to 50550 states and 72829 transitions. [2024-11-10 00:02:46,334 INFO L78 Accepts]: Start accepts. Automaton has 50550 states and 72829 transitions. Word has length 189 [2024-11-10 00:02:46,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:46,334 INFO L471 AbstractCegarLoop]: Abstraction has 50550 states and 72829 transitions. [2024-11-10 00:02:46,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 50550 states and 72829 transitions. [2024-11-10 00:02:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:46,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:46,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:46,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 00:02:46,357 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:46,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:46,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1190564714, now seen corresponding path program 1 times [2024-11-10 00:02:46,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:46,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864275400] [2024-11-10 00:02:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:46,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:46,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:46,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864275400] [2024-11-10 00:02:46,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864275400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:46,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:46,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:46,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697894311] [2024-11-10 00:02:46,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:46,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:46,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:46,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:46,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:46,535 INFO L87 Difference]: Start difference. First operand 50550 states and 72829 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:46,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:46,767 INFO L93 Difference]: Finished difference Result 73594 states and 106191 transitions. [2024-11-10 00:02:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:46,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:46,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:46,799 INFO L225 Difference]: With dead ends: 73594 [2024-11-10 00:02:46,799 INFO L226 Difference]: Without dead ends: 25595 [2024-11-10 00:02:46,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:46,830 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 122 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:46,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 620 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:46,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25595 states. [2024-11-10 00:02:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25595 to 25593. [2024-11-10 00:02:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25593 states, 25592 states have (on average 1.43005626758362) internal successors, (36598), 25592 states have internal predecessors, (36598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25593 states to 25593 states and 36598 transitions. [2024-11-10 00:02:47,199 INFO L78 Accepts]: Start accepts. Automaton has 25593 states and 36598 transitions. Word has length 190 [2024-11-10 00:02:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:47,199 INFO L471 AbstractCegarLoop]: Abstraction has 25593 states and 36598 transitions. [2024-11-10 00:02:47,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 25593 states and 36598 transitions. [2024-11-10 00:02:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:47,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:47,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:47,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 00:02:47,211 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:47,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:47,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1741692523, now seen corresponding path program 1 times [2024-11-10 00:02:47,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:47,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533904229] [2024-11-10 00:02:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:47,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:47,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533904229] [2024-11-10 00:02:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533904229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:47,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047094952] [2024-11-10 00:02:47,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:47,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:47,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:47,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:47,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:47,384 INFO L87 Difference]: Start difference. First operand 25593 states and 36598 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:47,497 INFO L93 Difference]: Finished difference Result 37117 states and 53160 transitions. [2024-11-10 00:02:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:47,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:47,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:47,513 INFO L225 Difference]: With dead ends: 37117 [2024-11-10 00:02:47,513 INFO L226 Difference]: Without dead ends: 12986 [2024-11-10 00:02:47,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:47,530 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 117 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:47,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 599 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:47,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12986 states. [2024-11-10 00:02:48,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12986 to 12984. [2024-11-10 00:02:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12984 states, 12983 states have (on average 1.4187013787260263) internal successors, (18419), 12983 states have internal predecessors, (18419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12984 states to 12984 states and 18419 transitions. [2024-11-10 00:02:48,024 INFO L78 Accepts]: Start accepts. Automaton has 12984 states and 18419 transitions. Word has length 190 [2024-11-10 00:02:48,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:48,025 INFO L471 AbstractCegarLoop]: Abstraction has 12984 states and 18419 transitions. [2024-11-10 00:02:48,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12984 states and 18419 transitions. [2024-11-10 00:02:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:48,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:48,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:48,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 00:02:48,030 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:48,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:48,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1739994677, now seen corresponding path program 1 times [2024-11-10 00:02:48,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:48,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010435589] [2024-11-10 00:02:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:48,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:48,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010435589] [2024-11-10 00:02:48,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010435589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:48,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:48,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:48,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194514299] [2024-11-10 00:02:48,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:48,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:48,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:48,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:48,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:48,158 INFO L87 Difference]: Start difference. First operand 12984 states and 18419 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:48,219 INFO L93 Difference]: Finished difference Result 18748 states and 26641 transitions. [2024-11-10 00:02:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:48,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:48,228 INFO L225 Difference]: With dead ends: 18748 [2024-11-10 00:02:48,229 INFO L226 Difference]: Without dead ends: 6639 [2024-11-10 00:02:48,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:48,237 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 112 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:48,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 577 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6639 states. [2024-11-10 00:02:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6639 to 6637. [2024-11-10 00:02:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6637 states, 6636 states have (on average 1.40581675708258) internal successors, (9329), 6636 states have internal predecessors, (9329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6637 states to 6637 states and 9329 transitions. [2024-11-10 00:02:48,310 INFO L78 Accepts]: Start accepts. Automaton has 6637 states and 9329 transitions. Word has length 190 [2024-11-10 00:02:48,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:48,311 INFO L471 AbstractCegarLoop]: Abstraction has 6637 states and 9329 transitions. [2024-11-10 00:02:48,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 6637 states and 9329 transitions. [2024-11-10 00:02:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:48,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:48,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:48,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 00:02:48,315 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:48,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:48,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1914729529, now seen corresponding path program 1 times [2024-11-10 00:02:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:48,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517300853] [2024-11-10 00:02:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:48,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:48,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517300853] [2024-11-10 00:02:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517300853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:48,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919422719] [2024-11-10 00:02:48,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:48,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:48,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:48,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:48,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:48,446 INFO L87 Difference]: Start difference. First operand 6637 states and 9329 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:48,483 INFO L93 Difference]: Finished difference Result 9521 states and 13411 transitions. [2024-11-10 00:02:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:48,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:48,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:48,487 INFO L225 Difference]: With dead ends: 9521 [2024-11-10 00:02:48,487 INFO L226 Difference]: Without dead ends: 3487 [2024-11-10 00:02:48,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:48,491 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 116 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:48,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 563 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:48,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2024-11-10 00:02:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3485. [2024-11-10 00:02:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 3484 states have (on average 1.3912169919632607) internal successors, (4847), 3484 states have internal predecessors, (4847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4847 transitions. [2024-11-10 00:02:48,525 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4847 transitions. Word has length 190 [2024-11-10 00:02:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:48,525 INFO L471 AbstractCegarLoop]: Abstraction has 3485 states and 4847 transitions. [2024-11-10 00:02:48,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4847 transitions. [2024-11-10 00:02:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:48,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:48,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:48,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 00:02:48,528 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:48,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:48,528 INFO L85 PathProgramCache]: Analyzing trace with hash -969868139, now seen corresponding path program 1 times [2024-11-10 00:02:48,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:48,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802591856] [2024-11-10 00:02:48,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:48,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:48,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:48,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802591856] [2024-11-10 00:02:48,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802591856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:48,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:48,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:48,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364828137] [2024-11-10 00:02:48,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:48,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:48,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:48,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:48,980 INFO L87 Difference]: Start difference. First operand 3485 states and 4847 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:49,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:49,700 INFO L93 Difference]: Finished difference Result 13219 states and 18441 transitions. [2024-11-10 00:02:49,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 00:02:49,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:49,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:49,709 INFO L225 Difference]: With dead ends: 13219 [2024-11-10 00:02:49,709 INFO L226 Difference]: Without dead ends: 9826 [2024-11-10 00:02:49,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-11-10 00:02:49,714 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1169 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:49,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 1326 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 00:02:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9826 states. [2024-11-10 00:02:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9826 to 6822. [2024-11-10 00:02:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6822 states, 6821 states have (on average 1.3899721448467968) internal successors, (9481), 6821 states have internal predecessors, (9481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6822 states to 6822 states and 9481 transitions. [2024-11-10 00:02:49,917 INFO L78 Accepts]: Start accepts. Automaton has 6822 states and 9481 transitions. Word has length 190 [2024-11-10 00:02:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:49,917 INFO L471 AbstractCegarLoop]: Abstraction has 6822 states and 9481 transitions. [2024-11-10 00:02:49,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6822 states and 9481 transitions. [2024-11-10 00:02:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:49,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:49,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:49,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 00:02:49,920 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:49,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1893360308, now seen corresponding path program 1 times [2024-11-10 00:02:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:49,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329116855] [2024-11-10 00:02:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:50,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:50,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329116855] [2024-11-10 00:02:50,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329116855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:50,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:50,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:50,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55316953] [2024-11-10 00:02:50,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:50,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:50,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:50,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:50,308 INFO L87 Difference]: Start difference. First operand 6822 states and 9481 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:51,072 INFO L93 Difference]: Finished difference Result 26141 states and 36361 transitions. [2024-11-10 00:02:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 00:02:51,073 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:51,092 INFO L225 Difference]: With dead ends: 26141 [2024-11-10 00:02:51,092 INFO L226 Difference]: Without dead ends: 19405 [2024-11-10 00:02:51,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-11-10 00:02:51,101 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1476 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:51,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 1224 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 00:02:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19405 states. [2024-11-10 00:02:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19405 to 13401. [2024-11-10 00:02:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13401 states, 13400 states have (on average 1.3872388059701493) internal successors, (18589), 13400 states have internal predecessors, (18589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13401 states to 13401 states and 18589 transitions. [2024-11-10 00:02:51,256 INFO L78 Accepts]: Start accepts. Automaton has 13401 states and 18589 transitions. Word has length 190 [2024-11-10 00:02:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 13401 states and 18589 transitions. [2024-11-10 00:02:51,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 13401 states and 18589 transitions. [2024-11-10 00:02:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 00:02:51,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:51,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:51,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 00:02:51,262 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:51,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1170752117, now seen corresponding path program 1 times [2024-11-10 00:02:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:51,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694340234] [2024-11-10 00:02:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:51,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:51,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694340234] [2024-11-10 00:02:51,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694340234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:51,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:51,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:51,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499113694] [2024-11-10 00:02:51,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:51,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:51,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:51,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:51,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:51,747 INFO L87 Difference]: Start difference. First operand 13401 states and 18589 transitions. Second operand has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:52,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:52,393 INFO L93 Difference]: Finished difference Result 39333 states and 54445 transitions. [2024-11-10 00:02:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 00:02:52,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-11-10 00:02:52,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:52,416 INFO L225 Difference]: With dead ends: 39333 [2024-11-10 00:02:52,417 INFO L226 Difference]: Without dead ends: 26123 [2024-11-10 00:02:52,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-10 00:02:52,424 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1510 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:52,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1164 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:02:52,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26123 states. [2024-11-10 00:02:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26123 to 25761. [2024-11-10 00:02:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25761 states, 25760 states have (on average 1.3815605590062112) internal successors, (35589), 25760 states have internal predecessors, (35589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25761 states to 25761 states and 35589 transitions. [2024-11-10 00:02:52,658 INFO L78 Accepts]: Start accepts. Automaton has 25761 states and 35589 transitions. Word has length 190 [2024-11-10 00:02:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:52,658 INFO L471 AbstractCegarLoop]: Abstraction has 25761 states and 35589 transitions. [2024-11-10 00:02:52,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.0) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 25761 states and 35589 transitions. [2024-11-10 00:02:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 00:02:52,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:52,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:52,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 00:02:52,667 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:52,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:52,667 INFO L85 PathProgramCache]: Analyzing trace with hash 684748372, now seen corresponding path program 1 times [2024-11-10 00:02:52,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:52,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196607075] [2024-11-10 00:02:52,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:52,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:52,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:52,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196607075] [2024-11-10 00:02:52,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196607075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:52,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:52,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553114496] [2024-11-10 00:02:52,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:52,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:52,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:52,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:52,729 INFO L87 Difference]: Start difference. First operand 25761 states and 35589 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:52,932 INFO L93 Difference]: Finished difference Result 51031 states and 70642 transitions. [2024-11-10 00:02:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:52,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2024-11-10 00:02:52,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:52,961 INFO L225 Difference]: With dead ends: 51031 [2024-11-10 00:02:52,961 INFO L226 Difference]: Without dead ends: 25498 [2024-11-10 00:02:52,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:52,979 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 172 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:52,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 400 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:02:52,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25498 states. [2024-11-10 00:02:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25498 to 25498. [2024-11-10 00:02:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25498 states, 25497 states have (on average 1.3750637329881947) internal successors, (35060), 25497 states have internal predecessors, (35060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25498 states to 25498 states and 35060 transitions. [2024-11-10 00:02:53,216 INFO L78 Accepts]: Start accepts. Automaton has 25498 states and 35060 transitions. Word has length 191 [2024-11-10 00:02:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:53,216 INFO L471 AbstractCegarLoop]: Abstraction has 25498 states and 35060 transitions. [2024-11-10 00:02:53,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25498 states and 35060 transitions. [2024-11-10 00:02:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 00:02:53,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:53,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:53,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 00:02:53,225 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:53,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:53,225 INFO L85 PathProgramCache]: Analyzing trace with hash -241800083, now seen corresponding path program 1 times [2024-11-10 00:02:53,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:53,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969644859] [2024-11-10 00:02:53,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:53,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:53,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:53,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969644859] [2024-11-10 00:02:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969644859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:53,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:53,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:53,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094868802] [2024-11-10 00:02:53,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:53,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:53,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:53,295 INFO L87 Difference]: Start difference. First operand 25498 states and 35060 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:53,473 INFO L93 Difference]: Finished difference Result 41501 states and 57184 transitions. [2024-11-10 00:02:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:53,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2024-11-10 00:02:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:53,490 INFO L225 Difference]: With dead ends: 41501 [2024-11-10 00:02:53,490 INFO L226 Difference]: Without dead ends: 16171 [2024-11-10 00:02:53,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:53,505 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 207 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:53,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 307 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:02:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16171 states. [2024-11-10 00:02:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16171 to 16171. [2024-11-10 00:02:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16171 states, 16170 states have (on average 1.369882498453927) internal successors, (22151), 16170 states have internal predecessors, (22151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16171 states to 16171 states and 22151 transitions. [2024-11-10 00:02:53,735 INFO L78 Accepts]: Start accepts. Automaton has 16171 states and 22151 transitions. Word has length 191 [2024-11-10 00:02:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:53,736 INFO L471 AbstractCegarLoop]: Abstraction has 16171 states and 22151 transitions. [2024-11-10 00:02:53,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 16171 states and 22151 transitions. [2024-11-10 00:02:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 00:02:53,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:53,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:53,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 00:02:53,741 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:53,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:53,742 INFO L85 PathProgramCache]: Analyzing trace with hash 610094524, now seen corresponding path program 1 times [2024-11-10 00:02:53,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:53,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449660293] [2024-11-10 00:02:53,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:53,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:54,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:54,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449660293] [2024-11-10 00:02:54,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449660293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:54,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:54,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:54,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920608627] [2024-11-10 00:02:54,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:54,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:54,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:54,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:54,094 INFO L87 Difference]: Start difference. First operand 16171 states and 22151 transitions. Second operand has 10 states, 10 states have (on average 19.1) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:54,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:54,612 INFO L93 Difference]: Finished difference Result 48912 states and 66920 transitions. [2024-11-10 00:02:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:02:54,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.1) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2024-11-10 00:02:54,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:54,646 INFO L225 Difference]: With dead ends: 48912 [2024-11-10 00:02:54,646 INFO L226 Difference]: Without dead ends: 32855 [2024-11-10 00:02:54,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:02:54,662 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 2034 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:54,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 1007 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 00:02:54,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32855 states. [2024-11-10 00:02:54,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32855 to 32088. [2024-11-10 00:02:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32088 states, 32087 states have (on average 1.3660360893819927) internal successors, (43832), 32087 states have internal predecessors, (43832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32088 states to 32088 states and 43832 transitions. [2024-11-10 00:02:54,955 INFO L78 Accepts]: Start accepts. Automaton has 32088 states and 43832 transitions. Word has length 191 [2024-11-10 00:02:54,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:54,956 INFO L471 AbstractCegarLoop]: Abstraction has 32088 states and 43832 transitions. [2024-11-10 00:02:54,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.1) internal successors, (191), 9 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32088 states and 43832 transitions. [2024-11-10 00:02:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 00:02:54,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:54,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:54,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 00:02:54,966 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:54,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:54,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1183156476, now seen corresponding path program 1 times [2024-11-10 00:02:54,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:54,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513169880] [2024-11-10 00:02:54,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:55,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:55,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513169880] [2024-11-10 00:02:55,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513169880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:55,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:55,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 00:02:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902377741] [2024-11-10 00:02:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:55,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 00:02:55,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:55,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 00:02:55,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:55,087 INFO L87 Difference]: Start difference. First operand 32088 states and 43832 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:55,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:55,317 INFO L93 Difference]: Finished difference Result 46576 states and 63698 transitions. [2024-11-10 00:02:55,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 00:02:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2024-11-10 00:02:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:55,339 INFO L225 Difference]: With dead ends: 46576 [2024-11-10 00:02:55,339 INFO L226 Difference]: Without dead ends: 16486 [2024-11-10 00:02:55,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 00:02:55,352 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 92 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:55,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 516 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16486 states. [2024-11-10 00:02:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16486 to 16484. [2024-11-10 00:02:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16484 states, 16483 states have (on average 1.3522417035733787) internal successors, (22289), 16483 states have internal predecessors, (22289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16484 states to 16484 states and 22289 transitions. [2024-11-10 00:02:55,496 INFO L78 Accepts]: Start accepts. Automaton has 16484 states and 22289 transitions. Word has length 191 [2024-11-10 00:02:55,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:55,497 INFO L471 AbstractCegarLoop]: Abstraction has 16484 states and 22289 transitions. [2024-11-10 00:02:55,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 16484 states and 22289 transitions. [2024-11-10 00:02:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 00:02:55,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:55,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:55,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 00:02:55,503 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:55,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:55,504 INFO L85 PathProgramCache]: Analyzing trace with hash -166964192, now seen corresponding path program 1 times [2024-11-10 00:02:55,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:55,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317382669] [2024-11-10 00:02:55,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:55,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:55,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:55,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317382669] [2024-11-10 00:02:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317382669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333873941] [2024-11-10 00:02:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:55,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:55,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:55,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:55,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:55,858 INFO L87 Difference]: Start difference. First operand 16484 states and 22289 transitions. Second operand has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:56,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:56,439 INFO L93 Difference]: Finished difference Result 49635 states and 67014 transitions. [2024-11-10 00:02:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:02:56,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2024-11-10 00:02:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:56,474 INFO L225 Difference]: With dead ends: 49635 [2024-11-10 00:02:56,475 INFO L226 Difference]: Without dead ends: 33287 [2024-11-10 00:02:56,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:02:56,491 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 809 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:56,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1360 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:02:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33287 states. [2024-11-10 00:02:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33287 to 32829. [2024-11-10 00:02:56,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32829 states, 32828 states have (on average 1.3467162178628) internal successors, (44210), 32828 states have internal predecessors, (44210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32829 states to 32829 states and 44210 transitions. [2024-11-10 00:02:56,910 INFO L78 Accepts]: Start accepts. Automaton has 32829 states and 44210 transitions. Word has length 192 [2024-11-10 00:02:56,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:56,910 INFO L471 AbstractCegarLoop]: Abstraction has 32829 states and 44210 transitions. [2024-11-10 00:02:56,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.2) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32829 states and 44210 transitions. [2024-11-10 00:02:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 00:02:56,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:56,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:56,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 00:02:56,922 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash -518882602, now seen corresponding path program 1 times [2024-11-10 00:02:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:56,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406537426] [2024-11-10 00:02:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:57,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:57,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406537426] [2024-11-10 00:02:57,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406537426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:57,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:57,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 00:02:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075554585] [2024-11-10 00:02:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 00:02:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:57,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 00:02:57,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 00:02:57,361 INFO L87 Difference]: Start difference. First operand 32829 states and 44210 transitions. Second operand has 10 states, 10 states have (on average 19.3) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:57,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:57,988 INFO L93 Difference]: Finished difference Result 95976 states and 129241 transitions. [2024-11-10 00:02:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 00:02:57,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.3) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2024-11-10 00:02:57,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:58,059 INFO L225 Difference]: With dead ends: 95976 [2024-11-10 00:02:58,059 INFO L226 Difference]: Without dead ends: 65663 [2024-11-10 00:02:58,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 00:02:58,090 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 812 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:58,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 1409 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 00:02:58,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65663 states. [2024-11-10 00:02:58,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65663 to 33537. [2024-11-10 00:02:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33537 states, 33536 states have (on average 1.3431536259541985) internal successors, (45044), 33536 states have internal predecessors, (45044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33537 states to 33537 states and 45044 transitions. [2024-11-10 00:02:58,688 INFO L78 Accepts]: Start accepts. Automaton has 33537 states and 45044 transitions. Word has length 193 [2024-11-10 00:02:58,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:58,689 INFO L471 AbstractCegarLoop]: Abstraction has 33537 states and 45044 transitions. [2024-11-10 00:02:58,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.3) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 33537 states and 45044 transitions. [2024-11-10 00:02:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 00:02:58,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:58,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:58,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 00:02:58,700 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:58,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash -161719923, now seen corresponding path program 1 times [2024-11-10 00:02:58,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:58,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867764789] [2024-11-10 00:02:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:02:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:02:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:02:59,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:02:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867764789] [2024-11-10 00:02:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867764789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:02:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:02:59,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 00:02:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136287266] [2024-11-10 00:02:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:02:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 00:02:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:02:59,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 00:02:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:02:59,041 INFO L87 Difference]: Start difference. First operand 33537 states and 45044 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:59,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:02:59,186 INFO L93 Difference]: Finished difference Result 63331 states and 85141 transitions. [2024-11-10 00:02:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 00:02:59,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194 [2024-11-10 00:02:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:02:59,222 INFO L225 Difference]: With dead ends: 63331 [2024-11-10 00:02:59,222 INFO L226 Difference]: Without dead ends: 33426 [2024-11-10 00:02:59,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 00:02:59,245 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 2 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 00:02:59,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 929 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 00:02:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33426 states. [2024-11-10 00:02:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33426 to 33426. [2024-11-10 00:02:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33426 states, 33425 states have (on average 1.3343605086013464) internal successors, (44601), 33425 states have internal predecessors, (44601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33426 states to 33426 states and 44601 transitions. [2024-11-10 00:02:59,960 INFO L78 Accepts]: Start accepts. Automaton has 33426 states and 44601 transitions. Word has length 194 [2024-11-10 00:02:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:02:59,960 INFO L471 AbstractCegarLoop]: Abstraction has 33426 states and 44601 transitions. [2024-11-10 00:02:59,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:02:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 33426 states and 44601 transitions. [2024-11-10 00:02:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 00:02:59,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:02:59,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:02:59,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 00:02:59,976 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:02:59,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:02:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash 162974825, now seen corresponding path program 1 times [2024-11-10 00:02:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:02:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422549438] [2024-11-10 00:02:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:02:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:03:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:03:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:03:00,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:03:00,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422549438] [2024-11-10 00:03:00,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422549438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:03:00,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:03:00,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:03:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755512508] [2024-11-10 00:03:00,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:03:00,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:03:00,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:03:00,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:03:00,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:03:00,293 INFO L87 Difference]: Start difference. First operand 33426 states and 44601 transitions. Second operand has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:00,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:03:00,622 INFO L93 Difference]: Finished difference Result 67818 states and 91197 transitions. [2024-11-10 00:03:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:03:00,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2024-11-10 00:03:00,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:03:00,696 INFO L225 Difference]: With dead ends: 67818 [2024-11-10 00:03:00,697 INFO L226 Difference]: Without dead ends: 61592 [2024-11-10 00:03:00,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:03:00,720 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 2189 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:03:00,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 1486 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:03:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61592 states. [2024-11-10 00:03:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61592 to 61582. [2024-11-10 00:03:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61582 states, 61581 states have (on average 1.3424108085286046) internal successors, (82667), 61581 states have internal predecessors, (82667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61582 states to 61582 states and 82667 transitions. [2024-11-10 00:03:01,707 INFO L78 Accepts]: Start accepts. Automaton has 61582 states and 82667 transitions. Word has length 199 [2024-11-10 00:03:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:03:01,707 INFO L471 AbstractCegarLoop]: Abstraction has 61582 states and 82667 transitions. [2024-11-10 00:03:01,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 61582 states and 82667 transitions. [2024-11-10 00:03:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 00:03:01,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:03:01,725 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:03:01,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 00:03:01,726 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:03:01,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:03:01,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1088219373, now seen corresponding path program 1 times [2024-11-10 00:03:01,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:03:01,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774045631] [2024-11-10 00:03:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:03:01,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:03:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:03:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:03:01,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:03:01,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774045631] [2024-11-10 00:03:01,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774045631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:03:01,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:03:01,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:03:01,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193150561] [2024-11-10 00:03:01,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:03:01,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:03:01,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:03:01,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:03:01,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:03:01,969 INFO L87 Difference]: Start difference. First operand 61582 states and 82667 transitions. Second operand has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:02,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:03:02,352 INFO L93 Difference]: Finished difference Result 129490 states and 174993 transitions. [2024-11-10 00:03:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:03:02,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2024-11-10 00:03:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:03:02,455 INFO L225 Difference]: With dead ends: 129490 [2024-11-10 00:03:02,455 INFO L226 Difference]: Without dead ends: 96312 [2024-11-10 00:03:02,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:03:02,497 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 2031 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:03:02,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 1607 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:03:02,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96312 states. [2024-11-10 00:03:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96312 to 85934. [2024-11-10 00:03:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85934 states, 85933 states have (on average 1.348061862148418) internal successors, (115843), 85933 states have internal predecessors, (115843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85934 states to 85934 states and 115843 transitions. [2024-11-10 00:03:03,675 INFO L78 Accepts]: Start accepts. Automaton has 85934 states and 115843 transitions. Word has length 199 [2024-11-10 00:03:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 00:03:03,675 INFO L471 AbstractCegarLoop]: Abstraction has 85934 states and 115843 transitions. [2024-11-10 00:03:03,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 85934 states and 115843 transitions. [2024-11-10 00:03:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 00:03:03,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 00:03:03,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 00:03:03,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 00:03:03,692 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 00:03:03,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 00:03:03,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1955845752, now seen corresponding path program 1 times [2024-11-10 00:03:03,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 00:03:03,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095717935] [2024-11-10 00:03:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 00:03:03,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 00:03:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 00:03:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 00:03:03,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 00:03:03,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095717935] [2024-11-10 00:03:03,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095717935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 00:03:03,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 00:03:03,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 00:03:03,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948105188] [2024-11-10 00:03:03,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 00:03:03,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 00:03:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 00:03:03,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 00:03:03,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 00:03:03,911 INFO L87 Difference]: Start difference. First operand 85934 states and 115843 transitions. Second operand has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 00:03:05,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 00:03:05,153 INFO L93 Difference]: Finished difference Result 223922 states and 303575 transitions. [2024-11-10 00:03:05,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 00:03:05,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2024-11-10 00:03:05,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 00:03:05,361 INFO L225 Difference]: With dead ends: 223922 [2024-11-10 00:03:05,361 INFO L226 Difference]: Without dead ends: 166352 [2024-11-10 00:03:05,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-10 00:03:05,408 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 1952 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 00:03:05,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 1671 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 00:03:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166352 states. [2024-11-10 00:03:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166352 to 163734. [2024-11-10 00:03:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163734 states, 163733 states have (on average 1.3529404579406716) internal successors, (221521), 163733 states have internal predecessors, (221521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)