./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-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_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-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 3bc3edc5b41c709765acde9978c91c5bce55372e37ee7403b6f2103b9547cfa5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:48:59,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:48:59,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:48:59,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:48:59,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:49:00,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:49:00,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:49:00,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:49:00,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:49:00,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:49:00,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:49:00,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:49:00,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:49:00,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:49:00,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:49:00,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:49:00,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:49:00,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:49:00,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:49:00,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:49:00,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:49:00,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:49:00,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:49:00,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:49:00,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:49:00,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:49:00,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:49:00,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:49:00,041 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:49:00,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:49:00,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:49:00,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:49:00,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:49:00,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:49:00,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:49:00,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:49:00,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:49:00,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:49:00,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:49:00,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:49:00,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:49:00,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:49:00,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc3edc5b41c709765acde9978c91c5bce55372e37ee7403b6f2103b9547cfa5 [2024-11-09 23:49:00,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:49:00,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:49:00,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:49:00,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:49:00,348 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:49:00,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:49:01,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:49:02,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:49:02,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:49:02,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1960fd15c/e142c7c8a41342fdbe3a0afea5730173/FLAG7c8ffcc28 [2024-11-09 23:49:02,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1960fd15c/e142c7c8a41342fdbe3a0afea5730173 [2024-11-09 23:49:02,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:49:02,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:49:02,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:49:02,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:49:02,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:49:02,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:49:02" (1/1) ... [2024-11-09 23:49:02,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6684b663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:02, skipping insertion in model container [2024-11-09 23:49:02,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:49:02" (1/1) ... [2024-11-09 23:49:02,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:49:02,928 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_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31343,31356] [2024-11-09 23:49:03,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:49:03,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:49:03,262 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_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[31343,31356] [2024-11-09 23:49:03,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:49:03,369 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:49:03,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03 WrapperNode [2024-11-09 23:49:03,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:49:03,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:49:03,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:49:03,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:49:03,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,500 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2778 [2024-11-09 23:49:03,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:49:03,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:49:03,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:49:03,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:49:03,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,567 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]. [2024-11-09 23:49:03,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:49:03,650 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:49:03,651 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:49:03,651 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:49:03,652 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (1/1) ... [2024-11-09 23:49:03,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:49:03,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:49:03,684 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) [2024-11-09 23:49:03,687 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 [2024-11-09 23:49:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:49:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:49:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:49:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:49:03,883 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:49:03,885 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:49:05,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node2____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node2____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node2____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node2____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1491: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node2____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L633: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,799 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L633: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L633: havoc main_~node4____CPAchecker_TMP_2~0#1;havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2682: havoc main_~node1____CPAchecker_TMP_2~2#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2682: havoc main_~node1____CPAchecker_TMP_2~2#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2682: havoc main_~node1____CPAchecker_TMP_2~2#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,800 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,801 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,803 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,804 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1825: havoc main_~check__tmp~5#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L703: havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:49:05,806 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc main_~node1____CPAchecker_TMP_1~1#1;havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2228: havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L579: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L579: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L579: havoc main_~node3____CPAchecker_TMP_1~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1109: havoc main_~node4____CPAchecker_TMP_2~1#1;havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1109: havoc main_~node4____CPAchecker_TMP_2~1#1;havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1109: havoc main_~node4____CPAchecker_TMP_2~1#1;havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,807 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1179: havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1513: havoc main_~node3____CPAchecker_TMP_2~2#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1513: havoc main_~node3____CPAchecker_TMP_2~2#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1513: havoc main_~node3____CPAchecker_TMP_2~2#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:49:05,808 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2372: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L525: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node1____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: havoc main_~node3____CPAchecker_TMP_1~1#1;havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:49:05,809 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2250: havoc main_~node4____CPAchecker_TMP_2~3#1;havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2250: havoc main_~node4____CPAchecker_TMP_2~3#1;havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2250: havoc main_~node4____CPAchecker_TMP_2~3#1;havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1591: havoc main_~check__tmp~4#1;havoc main_~node4____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1591: havoc main_~check__tmp~4#1;havoc main_~node4____CPAchecker_TMP_2~2#1; [2024-11-09 23:49:05,810 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2516: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-09 23:49:05,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1459: havoc main_~node2____CPAchecker_TMP_1~2#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1459: havoc main_~node2____CPAchecker_TMP_1~2#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1459: havoc main_~node2____CPAchecker_TMP_1~2#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,811 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,812 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2056: havoc main_~check__tmp~6#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1001: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1001: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1001: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1001: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,813 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1001: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node1____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2394: havoc main_~node3____CPAchecker_TMP_2~3#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2394: havoc main_~node3____CPAchecker_TMP_2~3#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2394: havoc main_~node3____CPAchecker_TMP_2~3#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,815 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L611: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node3____CPAchecker_TMP_2~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2660: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L547: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L547: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L547: havoc main_~node2____CPAchecker_TMP_2~0#1;havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1545: havoc main_~node4____CPAchecker_TMP_1~2#1;havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1545: havoc main_~node4____CPAchecker_TMP_1~2#1;havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1545: havoc main_~node4____CPAchecker_TMP_1~2#1;havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1413: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:49:05,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2538: havoc main_~node2____CPAchecker_TMP_2~3#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2538: havoc main_~node2____CPAchecker_TMP_2~3#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2538: havoc main_~node2____CPAchecker_TMP_2~3#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node3____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node3____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node3____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node3____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1087: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node3____CPAchecker_TMP_2~1#1; [2024-11-09 23:49:05,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L493: havoc main_~node1____CPAchecker_TMP_1~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L164: havoc main_~init__r121~0#1, main_~init__r131~0#1, main_~init__r141~0#1, main_~init__r211~0#1, main_~init__r231~0#1, main_~init__r241~0#1, main_~init__r311~0#1, main_~init__r321~0#1, main_~init__r341~0#1, main_~init__r411~0#1, main_~init__r421~0#1, main_~init__r431~0#1, main_~init__r122~0#1, main_~init__tmp~0#1, main_~init__r132~0#1, main_~init__tmp___0~0#1, main_~init__r142~0#1, main_~init__tmp___1~0#1, main_~init__r212~0#1, main_~init__tmp___2~0#1, main_~init__r232~0#1, main_~init__tmp___3~0#1, main_~init__r242~0#1, main_~init__tmp___4~0#1, main_~init__r312~0#1, main_~init__tmp___5~0#1, main_~init__r322~0#1, main_~init__tmp___6~0#1, main_~init__r342~0#1, main_~init__tmp___7~0#1, main_~init__r412~0#1, main_~init__tmp___8~0#1, main_~init__r422~0#1, main_~init__tmp___9~0#1, main_~init__r432~0#1, main_~init__tmp___10~0#1, main_~init__r123~0#1, main_~init__tmp___11~0#1, main_~init__r133~0#1, main_~init__tmp___12~0#1, main_~init__r143~0#1, main_~init__tmp___13~0#1, main_~init__r213~0#1, main_~init__tmp___14~0#1, main_~init__r233~0#1, main_~init__tmp___15~0#1, main_~init__r243~0#1, main_~init__tmp___16~0#1, main_~init__r313~0#1, main_~init__tmp___17~0#1, main_~init__r323~0#1, main_~init__tmp___18~0#1, main_~init__r343~0#1, main_~init__tmp___19~0#1, main_~init__r413~0#1, main_~init__tmp___20~0#1, main_~init__r423~0#1, main_~init__tmp___21~0#1, main_~init__r433~0#1, main_~init__tmp___22~0#1, main_~init__tmp___23~0#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc main_~node2____CPAchecker_TMP_2~1#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc main_~node2____CPAchecker_TMP_2~1#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:05,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc main_~node2____CPAchecker_TMP_2~1#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:49:06,139 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-09 23:49:06,140 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:49:06,183 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:49:06,184 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:49:06,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:49:06 BoogieIcfgContainer [2024-11-09 23:49:06,184 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:49:06,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:49:06,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:49:06,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:49:06,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:49:02" (1/3) ... [2024-11-09 23:49:06,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a934371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:49:06, skipping insertion in model container [2024-11-09 23:49:06,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:49:03" (2/3) ... [2024-11-09 23:49:06,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a934371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:49:06, skipping insertion in model container [2024-11-09 23:49:06,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:49:06" (3/3) ... [2024-11-09 23:49:06,198 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:49:06,218 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:49:06,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:49:06,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:49:06,322 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;@524016e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:49:06,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:49:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 861 states, 859 states have (on average 1.6577415599534342) internal successors, (1424), 860 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-09 23:49:06,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:06,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:06,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:06,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:06,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1774131429, now seen corresponding path program 1 times [2024-11-09 23:49:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:06,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547318948] [2024-11-09 23:49:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:06,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:08,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547318948] [2024-11-09 23:49:08,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547318948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:08,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:08,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:49:08,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731136182] [2024-11-09 23:49:08,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:08,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:49:08,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:08,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:49:08,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:49:08,366 INFO L87 Difference]: Start difference. First operand has 861 states, 859 states have (on average 1.6577415599534342) internal successors, (1424), 860 states have internal predecessors, (1424), 0 states have call successors, (0), 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 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:08,642 INFO L93 Difference]: Finished difference Result 3310 states and 5483 transitions. [2024-11-09 23:49:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:49:08,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 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 364 [2024-11-09 23:49:08,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:08,677 INFO L225 Difference]: With dead ends: 3310 [2024-11-09 23:49:08,677 INFO L226 Difference]: Without dead ends: 2503 [2024-11-09 23:49:08,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:49:08,693 INFO L432 NwaCegarLoop]: 2374 mSDtfsCounter, 2666 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2666 SdHoareTripleChecker+Valid, 5075 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:08,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2666 Valid, 5075 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2024-11-09 23:49:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1685. [2024-11-09 23:49:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1685 states, 1684 states have (on average 1.4524940617577198) internal successors, (2446), 1684 states have internal predecessors, (2446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 2446 transitions. [2024-11-09 23:49:08,804 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 2446 transitions. Word has length 364 [2024-11-09 23:49:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:08,805 INFO L471 AbstractCegarLoop]: Abstraction has 1685 states and 2446 transitions. [2024-11-09 23:49:08,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2446 transitions. [2024-11-09 23:49:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 23:49:08,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:08,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:08,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:49:08,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:08,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1268513249, now seen corresponding path program 1 times [2024-11-09 23:49:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521260741] [2024-11-09 23:49:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:09,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:09,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521260741] [2024-11-09 23:49:09,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521260741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:09,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:09,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:09,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249266147] [2024-11-09 23:49:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:09,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:09,144 INFO L87 Difference]: Start difference. First operand 1685 states and 2446 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:09,276 INFO L93 Difference]: Finished difference Result 4838 states and 6989 transitions. [2024-11-09 23:49:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 366 [2024-11-09 23:49:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:09,289 INFO L225 Difference]: With dead ends: 4838 [2024-11-09 23:49:09,290 INFO L226 Difference]: Without dead ends: 3318 [2024-11-09 23:49:09,293 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 [2024-11-09 23:49:09,296 INFO L432 NwaCegarLoop]: 2367 mSDtfsCounter, 1106 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:09,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 3560 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2024-11-09 23:49:09,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3316. [2024-11-09 23:49:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3315 states have (on average 1.4437405731523378) internal successors, (4786), 3315 states have internal predecessors, (4786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4786 transitions. [2024-11-09 23:49:09,366 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4786 transitions. Word has length 366 [2024-11-09 23:49:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:09,368 INFO L471 AbstractCegarLoop]: Abstraction has 3316 states and 4786 transitions. [2024-11-09 23:49:09,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4786 transitions. [2024-11-09 23:49:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-11-09 23:49:09,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:09,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:09,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:49:09,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:09,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:09,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1019869894, now seen corresponding path program 1 times [2024-11-09 23:49:09,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:09,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150776017] [2024-11-09 23:49:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:09,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:09,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:09,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150776017] [2024-11-09 23:49:09,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150776017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:09,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:09,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:09,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307225823] [2024-11-09 23:49:09,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:09,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:09,590 INFO L87 Difference]: Start difference. First operand 3316 states and 4786 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:09,732 INFO L93 Difference]: Finished difference Result 9857 states and 14213 transitions. [2024-11-09 23:49:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:09,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 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 367 [2024-11-09 23:49:09,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:09,757 INFO L225 Difference]: With dead ends: 9857 [2024-11-09 23:49:09,757 INFO L226 Difference]: Without dead ends: 6591 [2024-11-09 23:49:09,764 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 [2024-11-09 23:49:09,765 INFO L432 NwaCegarLoop]: 2471 mSDtfsCounter, 1233 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:09,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 3705 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2024-11-09 23:49:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 3341. [2024-11-09 23:49:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3341 states, 3340 states have (on average 1.4434131736526945) internal successors, (4821), 3340 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 3341 states and 4821 transitions. [2024-11-09 23:49:09,866 INFO L78 Accepts]: Start accepts. Automaton has 3341 states and 4821 transitions. Word has length 367 [2024-11-09 23:49:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:09,867 INFO L471 AbstractCegarLoop]: Abstraction has 3341 states and 4821 transitions. [2024-11-09 23:49:09,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3341 states and 4821 transitions. [2024-11-09 23:49:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-09 23:49:09,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:09,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:09,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:49:09,877 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:09,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1653744839, now seen corresponding path program 1 times [2024-11-09 23:49:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:09,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721267643] [2024-11-09 23:49:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721267643] [2024-11-09 23:49:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721267643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:10,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032433961] [2024-11-09 23:49:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:10,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:10,071 INFO L87 Difference]: Start difference. First operand 3341 states and 4821 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:10,164 INFO L93 Difference]: Finished difference Result 6626 states and 9554 transitions. [2024-11-09 23:49:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:10,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 368 [2024-11-09 23:49:10,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:10,176 INFO L225 Difference]: With dead ends: 6626 [2024-11-09 23:49:10,176 INFO L226 Difference]: Without dead ends: 3361 [2024-11-09 23:49:10,180 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 [2024-11-09 23:49:10,181 INFO L432 NwaCegarLoop]: 1260 mSDtfsCounter, 6 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2504 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:10,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2504 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3361 states. [2024-11-09 23:49:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3361 to 3361. [2024-11-09 23:49:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3361 states, 3360 states have (on average 1.4416666666666667) internal successors, (4844), 3360 states have internal predecessors, (4844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 3361 states and 4844 transitions. [2024-11-09 23:49:10,252 INFO L78 Accepts]: Start accepts. Automaton has 3361 states and 4844 transitions. Word has length 368 [2024-11-09 23:49:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:10,253 INFO L471 AbstractCegarLoop]: Abstraction has 3361 states and 4844 transitions. [2024-11-09 23:49:10,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 4844 transitions. [2024-11-09 23:49:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-09 23:49:10,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:10,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:10,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:49:10,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:10,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1289146343, now seen corresponding path program 1 times [2024-11-09 23:49:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583034077] [2024-11-09 23:49:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:10,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583034077] [2024-11-09 23:49:10,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583034077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:10,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:10,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:10,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930807411] [2024-11-09 23:49:10,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:10,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:10,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:10,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:10,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:10,523 INFO L87 Difference]: Start difference. First operand 3361 states and 4844 transitions. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:10,652 INFO L93 Difference]: Finished difference Result 9542 states and 13684 transitions. [2024-11-09 23:49:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:10,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 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 370 [2024-11-09 23:49:10,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:10,675 INFO L225 Difference]: With dead ends: 9542 [2024-11-09 23:49:10,675 INFO L226 Difference]: Without dead ends: 6496 [2024-11-09 23:49:10,682 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 [2024-11-09 23:49:10,683 INFO L432 NwaCegarLoop]: 2432 mSDtfsCounter, 1097 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:10,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 3625 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6496 states. [2024-11-09 23:49:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6496 to 6494. [2024-11-09 23:49:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6494 states, 6493 states have (on average 1.4306175881718775) internal successors, (9289), 6493 states have internal predecessors, (9289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6494 states to 6494 states and 9289 transitions. [2024-11-09 23:49:10,896 INFO L78 Accepts]: Start accepts. Automaton has 6494 states and 9289 transitions. Word has length 370 [2024-11-09 23:49:10,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:10,899 INFO L471 AbstractCegarLoop]: Abstraction has 6494 states and 9289 transitions. [2024-11-09 23:49:10,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6494 states and 9289 transitions. [2024-11-09 23:49:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-09 23:49:10,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:10,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:10,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:49:10,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:10,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:10,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1875557787, now seen corresponding path program 1 times [2024-11-09 23:49:10,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:10,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277648675] [2024-11-09 23:49:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:10,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:11,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277648675] [2024-11-09 23:49:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277648675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:11,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:11,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:49:11,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708893636] [2024-11-09 23:49:11,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:11,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:49:11,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:11,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:49:11,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:49:11,925 INFO L87 Difference]: Start difference. First operand 6494 states and 9289 transitions. Second operand has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:12,054 INFO L93 Difference]: Finished difference Result 18238 states and 25921 transitions. [2024-11-09 23:49:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:49:12,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 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 370 [2024-11-09 23:49:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:12,088 INFO L225 Difference]: With dead ends: 18238 [2024-11-09 23:49:12,088 INFO L226 Difference]: Without dead ends: 12460 [2024-11-09 23:49:12,099 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 [2024-11-09 23:49:12,100 INFO L432 NwaCegarLoop]: 2435 mSDtfsCounter, 1200 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 6106 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:12,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 6106 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:12,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12460 states. [2024-11-09 23:49:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12460 to 6810. [2024-11-09 23:49:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6810 states, 6809 states have (on average 1.433250110148333) internal successors, (9759), 6809 states have internal predecessors, (9759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6810 states to 6810 states and 9759 transitions. [2024-11-09 23:49:12,287 INFO L78 Accepts]: Start accepts. Automaton has 6810 states and 9759 transitions. Word has length 370 [2024-11-09 23:49:12,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:12,288 INFO L471 AbstractCegarLoop]: Abstraction has 6810 states and 9759 transitions. [2024-11-09 23:49:12,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6810 states and 9759 transitions. [2024-11-09 23:49:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-09 23:49:12,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:12,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:12,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:49:12,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:12,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:12,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1180149248, now seen corresponding path program 1 times [2024-11-09 23:49:12,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:12,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109666136] [2024-11-09 23:49:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:12,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:12,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:12,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109666136] [2024-11-09 23:49:12,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109666136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:12,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:12,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:49:12,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773571912] [2024-11-09 23:49:12,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:12,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 23:49:12,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:12,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 23:49:12,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:49:12,877 INFO L87 Difference]: Start difference. First operand 6810 states and 9759 transitions. Second operand has 8 states, 8 states have (on average 46.625) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:14,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:14,228 INFO L93 Difference]: Finished difference Result 15286 states and 22113 transitions. [2024-11-09 23:49:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:49:14,229 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 46.625) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 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 373 [2024-11-09 23:49:14,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:14,251 INFO L225 Difference]: With dead ends: 15286 [2024-11-09 23:49:14,251 INFO L226 Difference]: Without dead ends: 10748 [2024-11-09 23:49:14,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:49:14,263 INFO L432 NwaCegarLoop]: 1377 mSDtfsCounter, 11776 mSDsluCounter, 3020 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11776 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:14,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11776 Valid, 4397 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:49:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10748 states. [2024-11-09 23:49:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10748 to 7522. [2024-11-09 23:49:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7522 states, 7521 states have (on average 1.4257412578114612) internal successors, (10723), 7521 states have internal predecessors, (10723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 10723 transitions. [2024-11-09 23:49:14,447 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 10723 transitions. Word has length 373 [2024-11-09 23:49:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:14,449 INFO L471 AbstractCegarLoop]: Abstraction has 7522 states and 10723 transitions. [2024-11-09 23:49:14,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 46.625) internal successors, (373), 7 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 10723 transitions. [2024-11-09 23:49:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-09 23:49:14,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:14,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:14,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:49:14,465 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:14,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:14,466 INFO L85 PathProgramCache]: Analyzing trace with hash 785782462, now seen corresponding path program 1 times [2024-11-09 23:49:14,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057670277] [2024-11-09 23:49:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:15,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:15,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057670277] [2024-11-09 23:49:15,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057670277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:15,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:15,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:49:15,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126477366] [2024-11-09 23:49:15,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:15,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:49:15,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:15,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:49:15,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:49:15,231 INFO L87 Difference]: Start difference. First operand 7522 states and 10723 transitions. Second operand has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:15,515 INFO L93 Difference]: Finished difference Result 36276 states and 51561 transitions. [2024-11-09 23:49:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:49:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 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 373 [2024-11-09 23:49:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:15,569 INFO L225 Difference]: With dead ends: 36276 [2024-11-09 23:49:15,570 INFO L226 Difference]: Without dead ends: 28845 [2024-11-09 23:49:15,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:49:15,590 INFO L432 NwaCegarLoop]: 2081 mSDtfsCounter, 3739 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:15,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 5285 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:15,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28845 states. [2024-11-09 23:49:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28845 to 14494. [2024-11-09 23:49:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14494 states, 14493 states have (on average 1.4131649761954046) internal successors, (20481), 14493 states have internal predecessors, (20481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14494 states to 14494 states and 20481 transitions. [2024-11-09 23:49:16,077 INFO L78 Accepts]: Start accepts. Automaton has 14494 states and 20481 transitions. Word has length 373 [2024-11-09 23:49:16,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:16,077 INFO L471 AbstractCegarLoop]: Abstraction has 14494 states and 20481 transitions. [2024-11-09 23:49:16,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14494 states and 20481 transitions. [2024-11-09 23:49:16,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-09 23:49:16,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:16,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:16,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:49:16,099 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:16,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1958099010, now seen corresponding path program 1 times [2024-11-09 23:49:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:16,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053936115] [2024-11-09 23:49:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:16,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:16,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:16,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053936115] [2024-11-09 23:49:16,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053936115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:16,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:16,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631058044] [2024-11-09 23:49:16,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:16,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:16,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:16,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:16,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:16,360 INFO L87 Difference]: Start difference. First operand 14494 states and 20481 transitions. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:16,530 INFO L93 Difference]: Finished difference Result 40648 states and 57091 transitions. [2024-11-09 23:49:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 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 375 [2024-11-09 23:49:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:16,588 INFO L225 Difference]: With dead ends: 40648 [2024-11-09 23:49:16,589 INFO L226 Difference]: Without dead ends: 27875 [2024-11-09 23:49:16,613 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 [2024-11-09 23:49:16,615 INFO L432 NwaCegarLoop]: 2363 mSDtfsCounter, 1081 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 3547 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:16,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 3547 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:16,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27875 states. [2024-11-09 23:49:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27875 to 27873. [2024-11-09 23:49:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27873 states, 27872 states have (on average 1.402626291618829) internal successors, (39094), 27872 states have internal predecessors, (39094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27873 states to 27873 states and 39094 transitions. [2024-11-09 23:49:17,267 INFO L78 Accepts]: Start accepts. Automaton has 27873 states and 39094 transitions. Word has length 375 [2024-11-09 23:49:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:17,268 INFO L471 AbstractCegarLoop]: Abstraction has 27873 states and 39094 transitions. [2024-11-09 23:49:17,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 27873 states and 39094 transitions. [2024-11-09 23:49:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-09 23:49:17,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:17,316 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:17,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:49:17,317 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:17,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash -410631979, now seen corresponding path program 1 times [2024-11-09 23:49:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:17,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838850128] [2024-11-09 23:49:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:17,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:17,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838850128] [2024-11-09 23:49:17,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838850128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:17,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:17,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:17,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508257355] [2024-11-09 23:49:17,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:17,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:17,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:17,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:17,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:17,596 INFO L87 Difference]: Start difference. First operand 27873 states and 39094 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:17,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:17,768 INFO L93 Difference]: Finished difference Result 78265 states and 109146 transitions. [2024-11-09 23:49:17,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:17,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 376 [2024-11-09 23:49:17,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:17,911 INFO L225 Difference]: With dead ends: 78265 [2024-11-09 23:49:17,912 INFO L226 Difference]: Without dead ends: 53151 [2024-11-09 23:49:17,952 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 [2024-11-09 23:49:17,952 INFO L432 NwaCegarLoop]: 2289 mSDtfsCounter, 1064 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 3509 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 [2024-11-09 23:49:17,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 3509 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53151 states. [2024-11-09 23:49:18,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53151 to 28365. [2024-11-09 23:49:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28365 states, 28364 states have (on average 1.4009307572979834) internal successors, (39736), 28364 states have internal predecessors, (39736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28365 states to 28365 states and 39736 transitions. [2024-11-09 23:49:19,178 INFO L78 Accepts]: Start accepts. Automaton has 28365 states and 39736 transitions. Word has length 376 [2024-11-09 23:49:19,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:19,179 INFO L471 AbstractCegarLoop]: Abstraction has 28365 states and 39736 transitions. [2024-11-09 23:49:19,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 28365 states and 39736 transitions. [2024-11-09 23:49:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-11-09 23:49:19,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:19,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:19,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:49:19,243 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:19,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1352920510, now seen corresponding path program 1 times [2024-11-09 23:49:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:19,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591992664] [2024-11-09 23:49:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:19,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:19,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591992664] [2024-11-09 23:49:19,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591992664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:19,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:19,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:19,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483303212] [2024-11-09 23:49:19,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:19,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:19,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:19,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:19,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:19,476 INFO L87 Difference]: Start difference. First operand 28365 states and 39736 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:19,708 INFO L93 Difference]: Finished difference Result 54075 states and 75448 transitions. [2024-11-09 23:49:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:19,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 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 377 [2024-11-09 23:49:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:19,756 INFO L225 Difference]: With dead ends: 54075 [2024-11-09 23:49:19,757 INFO L226 Difference]: Without dead ends: 28909 [2024-11-09 23:49:19,783 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 [2024-11-09 23:49:19,784 INFO L432 NwaCegarLoop]: 1247 mSDtfsCounter, 6 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2477 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 [2024-11-09 23:49:19,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2477 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:19,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28909 states. [2024-11-09 23:49:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28909 to 28909. [2024-11-09 23:49:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28909 states, 28908 states have (on average 1.395703611457036) internal successors, (40347), 28908 states have internal predecessors, (40347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28909 states to 28909 states and 40347 transitions. [2024-11-09 23:49:20,280 INFO L78 Accepts]: Start accepts. Automaton has 28909 states and 40347 transitions. Word has length 377 [2024-11-09 23:49:20,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:20,281 INFO L471 AbstractCegarLoop]: Abstraction has 28909 states and 40347 transitions. [2024-11-09 23:49:20,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 28909 states and 40347 transitions. [2024-11-09 23:49:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-09 23:49:20,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:20,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:20,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:49:20,319 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:20,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2034120899, now seen corresponding path program 1 times [2024-11-09 23:49:20,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:20,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626249493] [2024-11-09 23:49:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:20,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:20,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626249493] [2024-11-09 23:49:20,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626249493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:20,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:20,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:20,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959583213] [2024-11-09 23:49:20,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:20,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:20,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:20,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:20,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:20,567 INFO L87 Difference]: Start difference. First operand 28909 states and 40347 transitions. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:20,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:20,694 INFO L93 Difference]: Finished difference Result 61299 states and 85783 transitions. [2024-11-09 23:49:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:20,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 378 [2024-11-09 23:49:20,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:20,751 INFO L225 Difference]: With dead ends: 61299 [2024-11-09 23:49:20,751 INFO L226 Difference]: Without dead ends: 45091 [2024-11-09 23:49:20,779 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 [2024-11-09 23:49:20,780 INFO L432 NwaCegarLoop]: 1903 mSDtfsCounter, 1200 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 3132 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:20,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 3132 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:20,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45091 states. [2024-11-09 23:49:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45091 to 28909. [2024-11-09 23:49:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28909 states, 28908 states have (on average 1.3954268714542688) internal successors, (40339), 28908 states have internal predecessors, (40339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28909 states to 28909 states and 40339 transitions. [2024-11-09 23:49:21,694 INFO L78 Accepts]: Start accepts. Automaton has 28909 states and 40339 transitions. Word has length 378 [2024-11-09 23:49:21,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:21,695 INFO L471 AbstractCegarLoop]: Abstraction has 28909 states and 40339 transitions. [2024-11-09 23:49:21,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28909 states and 40339 transitions. [2024-11-09 23:49:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-09 23:49:21,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:21,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:21,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:49:21,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:21,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1412917102, now seen corresponding path program 1 times [2024-11-09 23:49:21,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:21,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624824087] [2024-11-09 23:49:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:21,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:21,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:21,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624824087] [2024-11-09 23:49:21,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624824087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:21,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:21,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:21,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019407229] [2024-11-09 23:49:21,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:21,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:21,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:21,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:21,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:21,923 INFO L87 Difference]: Start difference. First operand 28909 states and 40339 transitions. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:22,157 INFO L93 Difference]: Finished difference Result 83060 states and 115622 transitions. [2024-11-09 23:49:22,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:22,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 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 379 [2024-11-09 23:49:22,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:22,442 INFO L225 Difference]: With dead ends: 83060 [2024-11-09 23:49:22,446 INFO L226 Difference]: Without dead ends: 56672 [2024-11-09 23:49:22,481 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 [2024-11-09 23:49:22,484 INFO L432 NwaCegarLoop]: 2384 mSDtfsCounter, 1072 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:22,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 3568 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:22,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56672 states. [2024-11-09 23:49:23,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56672 to 56644. [2024-11-09 23:49:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56644 states, 56643 states have (on average 1.3877796020690993) internal successors, (78608), 56643 states have internal predecessors, (78608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56644 states to 56644 states and 78608 transitions. [2024-11-09 23:49:23,159 INFO L78 Accepts]: Start accepts. Automaton has 56644 states and 78608 transitions. Word has length 379 [2024-11-09 23:49:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:23,159 INFO L471 AbstractCegarLoop]: Abstraction has 56644 states and 78608 transitions. [2024-11-09 23:49:23,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 56644 states and 78608 transitions. [2024-11-09 23:49:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-09 23:49:23,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:23,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:23,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:49:23,431 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:23,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:23,432 INFO L85 PathProgramCache]: Analyzing trace with hash -928301302, now seen corresponding path program 1 times [2024-11-09 23:49:23,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:23,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56960950] [2024-11-09 23:49:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:23,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:23,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:23,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56960950] [2024-11-09 23:49:23,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56960950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:23,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:23,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:49:23,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404850742] [2024-11-09 23:49:23,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:23,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:49:23,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:23,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:49:23,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:49:23,720 INFO L87 Difference]: Start difference. First operand 56644 states and 78608 transitions. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:24,117 INFO L93 Difference]: Finished difference Result 164105 states and 226980 transitions. [2024-11-09 23:49:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:49:24,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 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 379 [2024-11-09 23:49:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:24,264 INFO L225 Difference]: With dead ends: 164105 [2024-11-09 23:49:24,264 INFO L226 Difference]: Without dead ends: 111001 [2024-11-09 23:49:24,329 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 [2024-11-09 23:49:24,330 INFO L432 NwaCegarLoop]: 2389 mSDtfsCounter, 1064 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:24,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 3569 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:49:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111001 states. [2024-11-09 23:49:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111001 to 110999. [2024-11-09 23:49:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110999 states, 110998 states have (on average 1.3770878754572153) internal successors, (152854), 110998 states have internal predecessors, (152854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110999 states to 110999 states and 152854 transitions. [2024-11-09 23:49:26,345 INFO L78 Accepts]: Start accepts. Automaton has 110999 states and 152854 transitions. Word has length 379 [2024-11-09 23:49:26,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:26,346 INFO L471 AbstractCegarLoop]: Abstraction has 110999 states and 152854 transitions. [2024-11-09 23:49:26,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 110999 states and 152854 transitions. [2024-11-09 23:49:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-09 23:49:26,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:26,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:26,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:49:26,450 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:26,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:26,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1963336888, now seen corresponding path program 1 times [2024-11-09 23:49:26,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:26,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726689168] [2024-11-09 23:49:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:27,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:27,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726689168] [2024-11-09 23:49:27,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726689168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:27,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:49:27,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892221679] [2024-11-09 23:49:27,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:27,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:49:27,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:27,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:49:27,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:49:27,533 INFO L87 Difference]: Start difference. First operand 110999 states and 152854 transitions. Second operand has 4 states, 4 states have (on average 94.75) internal successors, (379), 4 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:28,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:28,360 INFO L93 Difference]: Finished difference Result 314365 states and 431614 transitions. [2024-11-09 23:49:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:49:28,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.75) internal successors, (379), 4 states have internal predecessors, (379), 0 states have call successors, (0), 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 379 [2024-11-09 23:49:28,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:28,642 INFO L225 Difference]: With dead ends: 314365 [2024-11-09 23:49:28,642 INFO L226 Difference]: Without dead ends: 212801 [2024-11-09 23:49:28,761 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 [2024-11-09 23:49:28,762 INFO L432 NwaCegarLoop]: 2434 mSDtfsCounter, 1175 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 6091 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:28,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 6091 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:49:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212801 states. [2024-11-09 23:49:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212801 to 112539. [2024-11-09 23:49:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112539 states, 112538 states have (on average 1.377685759476799) internal successors, (155042), 112538 states have internal predecessors, (155042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:31,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112539 states to 112539 states and 155042 transitions. [2024-11-09 23:49:31,201 INFO L78 Accepts]: Start accepts. Automaton has 112539 states and 155042 transitions. Word has length 379 [2024-11-09 23:49:31,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:31,201 INFO L471 AbstractCegarLoop]: Abstraction has 112539 states and 155042 transitions. [2024-11-09 23:49:31,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.75) internal successors, (379), 4 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 112539 states and 155042 transitions. [2024-11-09 23:49:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-09 23:49:31,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:31,296 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:31,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:49:31,296 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:31,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:31,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1571654387, now seen corresponding path program 1 times [2024-11-09 23:49:31,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:31,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479456672] [2024-11-09 23:49:31,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:31,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:33,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:33,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479456672] [2024-11-09 23:49:33,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479456672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:33,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:33,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:49:33,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145358275] [2024-11-09 23:49:33,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:33,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:49:33,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:49:33,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:49:33,482 INFO L87 Difference]: Start difference. First operand 112539 states and 155042 transitions. Second operand has 10 states, 10 states have (on average 38.2) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:36,433 INFO L93 Difference]: Finished difference Result 387427 states and 542356 transitions. [2024-11-09 23:49:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:49:36,433 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 38.2) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 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 382 [2024-11-09 23:49:36,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:36,820 INFO L225 Difference]: With dead ends: 387427 [2024-11-09 23:49:36,820 INFO L226 Difference]: Without dead ends: 310753 [2024-11-09 23:49:36,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:49:36,942 INFO L432 NwaCegarLoop]: 1382 mSDtfsCounter, 12106 mSDsluCounter, 6172 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12106 SdHoareTripleChecker+Valid, 7554 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:36,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12106 Valid, 7554 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 23:49:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310753 states. [2024-11-09 23:49:42,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310753 to 256419. [2024-11-09 23:49:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256419 states, 256418 states have (on average 1.3791933483608796) internal successors, (353650), 256418 states have internal predecessors, (353650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256419 states to 256419 states and 353650 transitions. [2024-11-09 23:49:42,653 INFO L78 Accepts]: Start accepts. Automaton has 256419 states and 353650 transitions. Word has length 382 [2024-11-09 23:49:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:42,654 INFO L471 AbstractCegarLoop]: Abstraction has 256419 states and 353650 transitions. [2024-11-09 23:49:42,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 38.2) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 256419 states and 353650 transitions. [2024-11-09 23:49:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-09 23:49:42,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:42,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:42,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:49:42,799 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:42,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1712202997, now seen corresponding path program 1 times [2024-11-09 23:49:42,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:42,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256426147] [2024-11-09 23:49:42,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:42,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:44,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:44,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256426147] [2024-11-09 23:49:44,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256426147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:44,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:44,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:49:44,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493601943] [2024-11-09 23:49:44,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:44,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:49:44,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:44,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:49:44,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:49:44,823 INFO L87 Difference]: Start difference. First operand 256419 states and 353650 transitions. Second operand has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:46,268 INFO L93 Difference]: Finished difference Result 435893 states and 616493 transitions. [2024-11-09 23:49:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:49:46,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 0 states have call successors, (0), 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 382 [2024-11-09 23:49:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:49:46,693 INFO L225 Difference]: With dead ends: 435893 [2024-11-09 23:49:46,693 INFO L226 Difference]: Without dead ends: 316435 [2024-11-09 23:49:46,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:49:46,829 INFO L432 NwaCegarLoop]: 1493 mSDtfsCounter, 1965 mSDsluCounter, 2748 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4241 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:49:46,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 4241 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:49:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316435 states. [2024-11-09 23:49:51,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316435 to 290211. [2024-11-09 23:49:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290211 states, 290210 states have (on average 1.3854312394472967) internal successors, (402066), 290210 states have internal predecessors, (402066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290211 states to 290211 states and 402066 transitions. [2024-11-09 23:49:52,949 INFO L78 Accepts]: Start accepts. Automaton has 290211 states and 402066 transitions. Word has length 382 [2024-11-09 23:49:52,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:49:52,954 INFO L471 AbstractCegarLoop]: Abstraction has 290211 states and 402066 transitions. [2024-11-09 23:49:52,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 290211 states and 402066 transitions. [2024-11-09 23:49:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-11-09 23:49:53,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:49:53,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:49:53,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:49:53,176 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:49:53,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:49:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash -281941709, now seen corresponding path program 1 times [2024-11-09 23:49:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:49:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277618184] [2024-11-09 23:49:53,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:49:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:49:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:49:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:49:55,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:49:55,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277618184] [2024-11-09 23:49:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277618184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:49:55,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:49:55,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 23:49:55,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124747430] [2024-11-09 23:49:55,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:49:55,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 23:49:55,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:49:55,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 23:49:55,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-09 23:49:55,830 INFO L87 Difference]: Start difference. First operand 290211 states and 402066 transitions. Second operand has 16 states, 16 states have (on average 23.875) internal successors, (382), 16 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:49:59,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:49:59,906 INFO L93 Difference]: Finished difference Result 805557 states and 1121191 transitions. [2024-11-09 23:49:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:49:59,907 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 23.875) internal successors, (382), 16 states have internal predecessors, (382), 0 states have call successors, (0), 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 382 [2024-11-09 23:49:59,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:01,039 INFO L225 Difference]: With dead ends: 805557 [2024-11-09 23:50:01,040 INFO L226 Difference]: Without dead ends: 765667 [2024-11-09 23:50:01,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=231, Invalid=699, Unknown=0, NotChecked=0, Total=930 [2024-11-09 23:50:01,182 INFO L432 NwaCegarLoop]: 1215 mSDtfsCounter, 15097 mSDsluCounter, 12560 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15097 SdHoareTripleChecker+Valid, 13775 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:01,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15097 Valid, 13775 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:50:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765667 states.