./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a9140492f4e733c378f87636be646ccd8e7d2f60174537e06a80c7020d713fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:51:32,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:51:32,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:51:32,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:51:32,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:51:32,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:51:32,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:51:32,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:51:32,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:51:32,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:51:32,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:51:32,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:51:32,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:51:32,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:51:32,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:51:32,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:51:32,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:51:32,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:51:32,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:51:32,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:51:32,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:51:32,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:51:32,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:51:32,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:51:32,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:51:32,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:51:32,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:51:32,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:51:32,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:51:32,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:51:32,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:51:32,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:51:32,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:51:32,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:51:32,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:51:32,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:51:32,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:51:32,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:51:32,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:51:32,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:51:32,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:51:32,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:51:32,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a9140492f4e733c378f87636be646ccd8e7d2f60174537e06a80c7020d713fe [2024-11-09 23:51:32,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:51:32,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:51:32,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:51:32,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:51:32,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:51:32,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:51:34,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:51:34,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:51:34,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:51:34,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d7586393/8013184698da489bafbb677849a4f0a3/FLAG691e94b95 [2024-11-09 23:51:34,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d7586393/8013184698da489bafbb677849a4f0a3 [2024-11-09 23:51:34,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:51:34,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:51:34,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:51:34,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:51:34,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:51:34,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:51:34" (1/1) ... [2024-11-09 23:51:34,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b19abf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:34, skipping insertion in model container [2024-11-09 23:51:34,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:51:34" (1/1) ... [2024-11-09 23:51:34,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:51:34,806 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8635,8648] [2024-11-09 23:51:34,858 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15820,15833] [2024-11-09 23:51:34,874 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18017,18030] [2024-11-09 23:51:34,883 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19041,19054] [2024-11-09 23:51:35,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:51:35,086 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:51:35,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8635,8648] [2024-11-09 23:51:35,138 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15820,15833] [2024-11-09 23:51:35,146 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18017,18030] [2024-11-09 23:51:35,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19041,19054] [2024-11-09 23:51:35,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:51:35,267 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:51:35,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35 WrapperNode [2024-11-09 23:51:35,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:51:35,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:51:35,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:51:35,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:51:35,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,391 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2844 [2024-11-09 23:51:35,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:51:35,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:51:35,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:51:35,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:51:35,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,465 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 23:51:35,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,505 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:51:35,543 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:51:35,543 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:51:35,543 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:51:35,544 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (1/1) ... [2024-11-09 23:51:35,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:51:35,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:35,578 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 23:51:35,581 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 23:51:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:51:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:51:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:51:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:51:35,823 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:51:35,828 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:51:37,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1621: havoc main_~node3__m3~6#1; [2024-11-09 23:51:37,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3471: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3471: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node2__m2~1#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142: havoc main_~node3__m3~12#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L368: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L368: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:51:37,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4332: havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1; [2024-11-09 23:51:37,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4332: havoc main_~main____CPAchecker_TMP_0~51#1;havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1; [2024-11-09 23:51:37,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2086: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-09 23:51:37,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2086: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-09 23:51:37,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2549: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1; [2024-11-09 23:51:37,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2549: havoc main_~main____CPAchecker_TMP_0~23#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3408: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3012: havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3674: havoc main_~node3__m3~14#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2221: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2221: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2684: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2684: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-09 23:51:37,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1495: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1298: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4139: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4139: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1631: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4274: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4274: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2028: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2028: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3548: havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2491: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-09 23:51:37,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2491: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3152: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L906: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L906: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L511: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1040: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-09 23:51:37,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1173: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1173: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2891: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2891: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3684: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4081: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4081: havoc main_~main____CPAchecker_TMP_0~47#1;havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1835: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-09 23:51:37,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1835: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2761: havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3356: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3356: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2167: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-09 23:51:37,344 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2167: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L318: havoc main_~node3__m3~1#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1970: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1970: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3888: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3888: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1114: havoc main_~node2__m2~3#1; [2024-11-09 23:51:37,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3427: havoc main_~node3__m3~13#1;havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4220: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4220: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2437: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2437: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4023: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-09 23:51:37,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4023: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1777: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1777: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L654: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:51:37,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2901: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3298: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3298: havoc main_~main____CPAchecker_TMP_0~35#1;havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2374: havoc main_~node2__m2~4#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2640: havoc main_~node3__m3~10#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2244: havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: havoc main_~main____CPAchecker_TMP_0~43#1;havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:51:37,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3105: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3105: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1916: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1916: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1719: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1719: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-09 23:51:37,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3437: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1588: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1588: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3240: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3240: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4297: havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2514: havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-09 23:51:37,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3969: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3969: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L798: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1328: havoc main_~check__tmp~9#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:51:37,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2650: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3641: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3641: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1131: havoc main_~node3__m3~4#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3047: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3047: havoc main_~main____CPAchecker_TMP_0~31#1;havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1264: havoc main_~node3__m3~5#1; [2024-11-09 23:51:37,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2123: havoc main_~node3__m3~8#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L539: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1530: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1530: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1993: havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:51:37,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2854: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2854: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1665: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-09 23:51:37,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1665: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4176: havoc main_~node3__m3~16#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2393: havoc main_~node3__m3~9#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3186: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3186: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3583: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1; [2024-11-09 23:51:37,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3583: havoc main_~main____CPAchecker_TMP_0~39#1;havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4046: havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2989: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2989: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3718: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3718: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1472: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2133: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1; [2024-11-09 23:51:37,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc main_~main____CPAchecker_TMP_0~27#1;havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1872: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3525: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3525: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4186: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1742: havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2403: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2337: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2337: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1215: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3263: havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3925: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:51:37,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3925: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2935: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2935: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2738: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3795: havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-09 23:51:37,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4390: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4390: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2607: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2607: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L956: havoc main_~node3__m3~3#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:51:37,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1882: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:51:37,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:51:37,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2279: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1; [2024-11-09 23:51:37,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2279: havoc main_~main____CPAchecker_TMP_0~19#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1; [2024-11-09 23:51:37,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L826: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-09 23:51:37,462 INFO L? ?]: Removed 486 outVars from TransFormulas that were not future-live. [2024-11-09 23:51:37,462 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:51:37,484 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:51:37,485 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:51:37,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:51:37 BoogieIcfgContainer [2024-11-09 23:51:37,485 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:51:37,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:51:37,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:51:37,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:51:37,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:51:34" (1/3) ... [2024-11-09 23:51:37,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb072d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:51:37, skipping insertion in model container [2024-11-09 23:51:37,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:35" (2/3) ... [2024-11-09 23:51:37,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb072d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:51:37, skipping insertion in model container [2024-11-09 23:51:37,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:51:37" (3/3) ... [2024-11-09 23:51:37,494 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:51:37,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:51:37,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 23:51:37,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:51:37,595 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;@3ddaa29e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:51:37,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 23:51:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 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 23:51:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 23:51:37,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:37,622 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] [2024-11-09 23:51:37,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:37,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash -806461305, now seen corresponding path program 1 times [2024-11-09 23:51:37,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:37,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518524983] [2024-11-09 23:51:37,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:37,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:38,198 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 23:51:38,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:38,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518524983] [2024-11-09 23:51:38,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518524983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:38,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:38,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:38,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464523561] [2024-11-09 23:51:38,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:38,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:38,235 INFO L87 Difference]: Start difference. First operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 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 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 23:51:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:38,733 INFO L93 Difference]: Finished difference Result 853 states and 1493 transitions. [2024-11-09 23:51:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2024-11-09 23:51:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:38,751 INFO L225 Difference]: With dead ends: 853 [2024-11-09 23:51:38,752 INFO L226 Difference]: Without dead ends: 495 [2024-11-09 23:51:38,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:38,763 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2329 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:38,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 587 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:38,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-09 23:51:38,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2024-11-09 23:51:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 485 states have (on average 1.3587628865979382) internal successors, (659), 488 states have internal predecessors, (659), 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 23:51:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 659 transitions. [2024-11-09 23:51:38,837 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 659 transitions. Word has length 51 [2024-11-09 23:51:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:38,838 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 659 transitions. [2024-11-09 23:51:38,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 23:51:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 659 transitions. [2024-11-09 23:51:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:51:38,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:38,843 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] [2024-11-09 23:51:38,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:51:38,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:38,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1900715312, now seen corresponding path program 1 times [2024-11-09 23:51:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:38,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283897769] [2024-11-09 23:51:38,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:38,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:38,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283897769] [2024-11-09 23:51:38,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283897769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:38,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:38,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:38,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769890936] [2024-11-09 23:51:38,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:38,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:38,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:38,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:38,986 INFO L87 Difference]: Start difference. First operand 489 states and 659 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:39,024 INFO L93 Difference]: Finished difference Result 967 states and 1353 transitions. [2024-11-09 23:51:39,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:39,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-09 23:51:39,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:39,028 INFO L225 Difference]: With dead ends: 967 [2024-11-09 23:51:39,028 INFO L226 Difference]: Without dead ends: 703 [2024-11-09 23:51:39,029 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 23:51:39,031 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 274 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:39,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 868 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-09 23:51:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 697. [2024-11-09 23:51:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 693 states have (on average 1.3852813852813852) internal successors, (960), 696 states have internal predecessors, (960), 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 23:51:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 960 transitions. [2024-11-09 23:51:39,059 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 960 transitions. Word has length 52 [2024-11-09 23:51:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:39,060 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 960 transitions. [2024-11-09 23:51:39,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 960 transitions. [2024-11-09 23:51:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:51:39,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:39,062 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] [2024-11-09 23:51:39,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:51:39,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:39,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:39,063 INFO L85 PathProgramCache]: Analyzing trace with hash -501520602, now seen corresponding path program 1 times [2024-11-09 23:51:39,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:39,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856850962] [2024-11-09 23:51:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:39,175 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 23:51:39,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:39,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856850962] [2024-11-09 23:51:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856850962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:39,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:39,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:39,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027898638] [2024-11-09 23:51:39,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:39,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:39,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:39,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:39,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:39,177 INFO L87 Difference]: Start difference. First operand 697 states and 960 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:39,215 INFO L93 Difference]: Finished difference Result 1347 states and 1878 transitions. [2024-11-09 23:51:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:39,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-09 23:51:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:39,219 INFO L225 Difference]: With dead ends: 1347 [2024-11-09 23:51:39,219 INFO L226 Difference]: Without dead ends: 937 [2024-11-09 23:51:39,220 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 23:51:39,223 INFO L432 NwaCegarLoop]: 600 mSDtfsCounter, 367 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:39,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 939 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-09 23:51:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 927. [2024-11-09 23:51:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 923 states have (on average 1.3607800650054171) internal successors, (1256), 926 states have internal predecessors, (1256), 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 23:51:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1256 transitions. [2024-11-09 23:51:39,245 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1256 transitions. Word has length 52 [2024-11-09 23:51:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:39,247 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1256 transitions. [2024-11-09 23:51:39,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1256 transitions. [2024-11-09 23:51:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:51:39,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:39,249 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] [2024-11-09 23:51:39,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:51:39,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:39,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2003640794, now seen corresponding path program 1 times [2024-11-09 23:51:39,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:39,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190004988] [2024-11-09 23:51:39,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:39,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:39,345 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 23:51:39,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:39,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190004988] [2024-11-09 23:51:39,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190004988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:39,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:39,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:39,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7219391] [2024-11-09 23:51:39,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:39,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:39,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:39,348 INFO L87 Difference]: Start difference. First operand 927 states and 1256 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:39,407 INFO L93 Difference]: Finished difference Result 1944 states and 2689 transitions. [2024-11-09 23:51:39,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:39,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2024-11-09 23:51:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:39,412 INFO L225 Difference]: With dead ends: 1944 [2024-11-09 23:51:39,412 INFO L226 Difference]: Without dead ends: 1424 [2024-11-09 23:51:39,413 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 23:51:39,414 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 265 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:39,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 932 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:39,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-09 23:51:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1417. [2024-11-09 23:51:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1413 states have (on average 1.3637650389242746) internal successors, (1927), 1416 states have internal predecessors, (1927), 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 23:51:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1927 transitions. [2024-11-09 23:51:39,439 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1927 transitions. Word has length 52 [2024-11-09 23:51:39,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:39,440 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 1927 transitions. [2024-11-09 23:51:39,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 23:51:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1927 transitions. [2024-11-09 23:51:39,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:51:39,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:39,442 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] [2024-11-09 23:51:39,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:51:39,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:39,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:39,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1900513041, now seen corresponding path program 1 times [2024-11-09 23:51:39,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:39,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012664876] [2024-11-09 23:51:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:39,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:39,595 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 23:51:39,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:39,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012664876] [2024-11-09 23:51:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012664876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:39,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:39,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334632237] [2024-11-09 23:51:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:39,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:39,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:39,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:39,600 INFO L87 Difference]: Start difference. First operand 1417 states and 1927 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 23:51:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:39,936 INFO L93 Difference]: Finished difference Result 3002 states and 4115 transitions. [2024-11-09 23:51:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2024-11-09 23:51:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:39,942 INFO L225 Difference]: With dead ends: 3002 [2024-11-09 23:51:39,943 INFO L226 Difference]: Without dead ends: 1796 [2024-11-09 23:51:39,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:39,945 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1531 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:39,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 368 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:39,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2024-11-09 23:51:39,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1783. [2024-11-09 23:51:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1779 states have (on average 1.3569421023046655) internal successors, (2414), 1782 states have internal predecessors, (2414), 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 23:51:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2414 transitions. [2024-11-09 23:51:39,977 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2414 transitions. Word has length 52 [2024-11-09 23:51:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:39,979 INFO L471 AbstractCegarLoop]: Abstraction has 1783 states and 2414 transitions. [2024-11-09 23:51:39,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 23:51:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2414 transitions. [2024-11-09 23:51:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 23:51:39,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:39,980 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] [2024-11-09 23:51:39,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:51:39,981 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:39,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 700739506, now seen corresponding path program 1 times [2024-11-09 23:51:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:39,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898033315] [2024-11-09 23:51:39,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:40,108 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 23:51:40,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898033315] [2024-11-09 23:51:40,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898033315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:40,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:40,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:40,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046735186] [2024-11-09 23:51:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:40,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:40,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:40,110 INFO L87 Difference]: Start difference. First operand 1783 states and 2414 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 23:51:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:40,380 INFO L93 Difference]: Finished difference Result 4008 states and 5481 transitions. [2024-11-09 23:51:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:40,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2024-11-09 23:51:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:40,388 INFO L225 Difference]: With dead ends: 4008 [2024-11-09 23:51:40,388 INFO L226 Difference]: Without dead ends: 2379 [2024-11-09 23:51:40,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:40,390 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1455 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:40,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 358 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:51:40,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2024-11-09 23:51:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2364. [2024-11-09 23:51:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 2360 states have (on average 1.3601694915254237) internal successors, (3210), 2363 states have internal predecessors, (3210), 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 23:51:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3210 transitions. [2024-11-09 23:51:40,431 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3210 transitions. Word has length 53 [2024-11-09 23:51:40,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:40,432 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3210 transitions. [2024-11-09 23:51:40,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 23:51:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3210 transitions. [2024-11-09 23:51:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:40,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:40,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:40,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:51:40,434 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:40,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:40,434 INFO L85 PathProgramCache]: Analyzing trace with hash 984927866, now seen corresponding path program 1 times [2024-11-09 23:51:40,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365882900] [2024-11-09 23:51:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:40,610 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 23:51:40,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:40,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365882900] [2024-11-09 23:51:40,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365882900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:40,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:40,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:40,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012970605] [2024-11-09 23:51:40,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:40,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:40,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:40,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:40,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:40,612 INFO L87 Difference]: Start difference. First operand 2364 states and 3210 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:41,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:41,079 INFO L93 Difference]: Finished difference Result 5962 states and 8229 transitions. [2024-11-09 23:51:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 54 [2024-11-09 23:51:41,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:41,096 INFO L225 Difference]: With dead ends: 5962 [2024-11-09 23:51:41,096 INFO L226 Difference]: Without dead ends: 4964 [2024-11-09 23:51:41,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:41,099 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1988 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:41,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 647 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4964 states. [2024-11-09 23:51:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4964 to 2398. [2024-11-09 23:51:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2394 states have (on average 1.359231411862991) internal successors, (3254), 2397 states have internal predecessors, (3254), 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 23:51:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3254 transitions. [2024-11-09 23:51:41,173 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3254 transitions. Word has length 54 [2024-11-09 23:51:41,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:41,174 INFO L471 AbstractCegarLoop]: Abstraction has 2398 states and 3254 transitions. [2024-11-09 23:51:41,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3254 transitions. [2024-11-09 23:51:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:41,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:41,177 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] [2024-11-09 23:51:41,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:51:41,177 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:41,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:41,178 INFO L85 PathProgramCache]: Analyzing trace with hash -798050000, now seen corresponding path program 1 times [2024-11-09 23:51:41,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:41,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987348540] [2024-11-09 23:51:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:41,320 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 23:51:41,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:41,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987348540] [2024-11-09 23:51:41,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987348540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:41,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:41,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:41,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481852346] [2024-11-09 23:51:41,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:41,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:41,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:41,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:41,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:41,324 INFO L87 Difference]: Start difference. First operand 2398 states and 3254 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:41,757 INFO L93 Difference]: Finished difference Result 5161 states and 7125 transitions. [2024-11-09 23:51:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:41,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 54 [2024-11-09 23:51:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:41,770 INFO L225 Difference]: With dead ends: 5161 [2024-11-09 23:51:41,770 INFO L226 Difference]: Without dead ends: 4282 [2024-11-09 23:51:41,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:41,774 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1861 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:41,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 632 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2024-11-09 23:51:41,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 2420. [2024-11-09 23:51:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2416 states have (on average 1.3596854304635762) internal successors, (3285), 2419 states have internal predecessors, (3285), 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 23:51:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3285 transitions. [2024-11-09 23:51:41,878 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3285 transitions. Word has length 54 [2024-11-09 23:51:41,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:41,878 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 3285 transitions. [2024-11-09 23:51:41,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3285 transitions. [2024-11-09 23:51:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:41,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:41,880 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] [2024-11-09 23:51:41,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:51:41,881 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:41,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:41,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1916256903, now seen corresponding path program 1 times [2024-11-09 23:51:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200802150] [2024-11-09 23:51:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:42,041 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 23:51:42,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:42,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200802150] [2024-11-09 23:51:42,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200802150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:42,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:42,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:42,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496894139] [2024-11-09 23:51:42,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:42,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:42,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:42,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:42,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:42,044 INFO L87 Difference]: Start difference. First operand 2420 states and 3285 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:42,426 INFO L93 Difference]: Finished difference Result 4744 states and 6520 transitions. [2024-11-09 23:51:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:42,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 54 [2024-11-09 23:51:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:42,437 INFO L225 Difference]: With dead ends: 4744 [2024-11-09 23:51:42,437 INFO L226 Difference]: Without dead ends: 3666 [2024-11-09 23:51:42,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:42,440 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1733 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:42,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 596 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3666 states. [2024-11-09 23:51:42,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3666 to 2434. [2024-11-09 23:51:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2430 states have (on average 1.3592592592592592) internal successors, (3303), 2433 states have internal predecessors, (3303), 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 23:51:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3303 transitions. [2024-11-09 23:51:42,499 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3303 transitions. Word has length 54 [2024-11-09 23:51:42,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:42,499 INFO L471 AbstractCegarLoop]: Abstraction has 2434 states and 3303 transitions. [2024-11-09 23:51:42,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 23:51:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3303 transitions. [2024-11-09 23:51:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:42,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:42,501 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] [2024-11-09 23:51:42,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:51:42,501 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:42,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:42,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1188777348, now seen corresponding path program 1 times [2024-11-09 23:51:42,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:42,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660514648] [2024-11-09 23:51:42,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:42,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:42,792 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 23:51:42,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:42,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660514648] [2024-11-09 23:51:42,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660514648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:42,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:42,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:51:42,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744280462] [2024-11-09 23:51:42,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:42,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 23:51:42,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:42,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 23:51:42,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:51:42,795 INFO L87 Difference]: Start difference. First operand 2434 states and 3303 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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 23:51:43,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:43,316 INFO L93 Difference]: Finished difference Result 5780 states and 8015 transitions. [2024-11-09 23:51:43,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:51:43,317 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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 55 [2024-11-09 23:51:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:43,329 INFO L225 Difference]: With dead ends: 5780 [2024-11-09 23:51:43,329 INFO L226 Difference]: Without dead ends: 4176 [2024-11-09 23:51:43,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:51:43,333 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1752 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:43,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 901 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:43,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2024-11-09 23:51:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 2347. [2024-11-09 23:51:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 2343 states have (on average 1.3576611182244984) internal successors, (3181), 2346 states have internal predecessors, (3181), 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 23:51:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 3181 transitions. [2024-11-09 23:51:43,381 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 3181 transitions. Word has length 55 [2024-11-09 23:51:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:43,381 INFO L471 AbstractCegarLoop]: Abstraction has 2347 states and 3181 transitions. [2024-11-09 23:51:43,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 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 23:51:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 3181 transitions. [2024-11-09 23:51:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:43,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:43,383 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] [2024-11-09 23:51:43,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:51:43,383 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:43,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:43,384 INFO L85 PathProgramCache]: Analyzing trace with hash 210417362, now seen corresponding path program 1 times [2024-11-09 23:51:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:43,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332466590] [2024-11-09 23:51:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:43,669 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 23:51:43,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:43,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332466590] [2024-11-09 23:51:43,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332466590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:43,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:43,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:43,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283738444] [2024-11-09 23:51:43,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:43,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:43,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:43,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:43,671 INFO L87 Difference]: Start difference. First operand 2347 states and 3181 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 23:51:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:44,327 INFO L93 Difference]: Finished difference Result 5936 states and 8184 transitions. [2024-11-09 23:51:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:51:44,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 55 [2024-11-09 23:51:44,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:44,340 INFO L225 Difference]: With dead ends: 5936 [2024-11-09 23:51:44,340 INFO L226 Difference]: Without dead ends: 4486 [2024-11-09 23:51:44,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:51:44,343 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 1488 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:44,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 1318 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:51:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2024-11-09 23:51:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2318. [2024-11-09 23:51:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2314 states have (on average 1.3569576490924806) internal successors, (3140), 2317 states have internal predecessors, (3140), 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 23:51:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3140 transitions. [2024-11-09 23:51:44,394 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3140 transitions. Word has length 55 [2024-11-09 23:51:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:44,394 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 3140 transitions. [2024-11-09 23:51:44,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 23:51:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3140 transitions. [2024-11-09 23:51:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:44,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:44,396 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] [2024-11-09 23:51:44,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:51:44,396 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:44,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1328037724, now seen corresponding path program 1 times [2024-11-09 23:51:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:44,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130627099] [2024-11-09 23:51:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:44,676 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 23:51:44,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130627099] [2024-11-09 23:51:44,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130627099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:44,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:44,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:44,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497466088] [2024-11-09 23:51:44,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:44,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:44,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:44,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:44,678 INFO L87 Difference]: Start difference. First operand 2318 states and 3140 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 23:51:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:45,322 INFO L93 Difference]: Finished difference Result 3454 states and 4698 transitions. [2024-11-09 23:51:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:51:45,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 55 [2024-11-09 23:51:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:45,335 INFO L225 Difference]: With dead ends: 3454 [2024-11-09 23:51:45,336 INFO L226 Difference]: Without dead ends: 3449 [2024-11-09 23:51:45,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:51:45,337 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1761 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:45,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1312 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:51:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2024-11-09 23:51:45,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 2318. [2024-11-09 23:51:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2314 states have (on average 1.3560933448573897) internal successors, (3138), 2317 states have internal predecessors, (3138), 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 23:51:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3138 transitions. [2024-11-09 23:51:45,379 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3138 transitions. Word has length 55 [2024-11-09 23:51:45,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:45,379 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 3138 transitions. [2024-11-09 23:51:45,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 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 23:51:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3138 transitions. [2024-11-09 23:51:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:51:45,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:45,381 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] [2024-11-09 23:51:45,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:51:45,382 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:45,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1857805564, now seen corresponding path program 1 times [2024-11-09 23:51:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:45,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526350254] [2024-11-09 23:51:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,446 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 23:51:45,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526350254] [2024-11-09 23:51:45,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526350254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:45,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:45,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:45,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898524266] [2024-11-09 23:51:45,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:45,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:45,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:45,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:45,449 INFO L87 Difference]: Start difference. First operand 2318 states and 3138 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:45,479 INFO L93 Difference]: Finished difference Result 3438 states and 4686 transitions. [2024-11-09 23:51:45,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:45,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-09 23:51:45,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:45,483 INFO L225 Difference]: With dead ends: 3438 [2024-11-09 23:51:45,484 INFO L226 Difference]: Without dead ends: 2309 [2024-11-09 23:51:45,485 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 23:51:45,485 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 262 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:45,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 823 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:45,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-09 23:51:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2303. [2024-11-09 23:51:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3371030882992605) internal successors, (3074), 2302 states have internal predecessors, (3074), 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 23:51:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3074 transitions. [2024-11-09 23:51:45,515 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3074 transitions. Word has length 56 [2024-11-09 23:51:45,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:45,516 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3074 transitions. [2024-11-09 23:51:45,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3074 transitions. [2024-11-09 23:51:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:51:45,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:45,518 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] [2024-11-09 23:51:45,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:51:45,518 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:45,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash -357449537, now seen corresponding path program 1 times [2024-11-09 23:51:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:45,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192469061] [2024-11-09 23:51:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,601 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 23:51:45,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:45,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192469061] [2024-11-09 23:51:45,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192469061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:45,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:45,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:45,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155421081] [2024-11-09 23:51:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:45,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:45,604 INFO L87 Difference]: Start difference. First operand 2303 states and 3074 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:45,637 INFO L93 Difference]: Finished difference Result 3333 states and 4487 transitions. [2024-11-09 23:51:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:45,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-09 23:51:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:45,641 INFO L225 Difference]: With dead ends: 3333 [2024-11-09 23:51:45,641 INFO L226 Difference]: Without dead ends: 2309 [2024-11-09 23:51:45,643 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 23:51:45,643 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 243 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:45,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 822 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:45,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2024-11-09 23:51:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2303. [2024-11-09 23:51:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3249238799478034) internal successors, (3046), 2302 states have internal predecessors, (3046), 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 23:51:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3046 transitions. [2024-11-09 23:51:45,692 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3046 transitions. Word has length 56 [2024-11-09 23:51:45,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:45,693 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3046 transitions. [2024-11-09 23:51:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3046 transitions. [2024-11-09 23:51:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 23:51:45,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:45,696 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] [2024-11-09 23:51:45,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:51:45,696 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:45,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1739807548, now seen corresponding path program 1 times [2024-11-09 23:51:45,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:45,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653799810] [2024-11-09 23:51:45,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,766 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 23:51:45,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:45,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653799810] [2024-11-09 23:51:45,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653799810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:45,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:45,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:45,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196717502] [2024-11-09 23:51:45,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:45,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:45,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:45,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:45,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:45,769 INFO L87 Difference]: Start difference. First operand 2303 states and 3046 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:45,809 INFO L93 Difference]: Finished difference Result 3266 states and 4356 transitions. [2024-11-09 23:51:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-09 23:51:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:45,813 INFO L225 Difference]: With dead ends: 3266 [2024-11-09 23:51:45,813 INFO L226 Difference]: Without dead ends: 2310 [2024-11-09 23:51:45,815 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 23:51:45,816 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 227 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:45,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 812 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2024-11-09 23:51:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2303. [2024-11-09 23:51:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.3118747281426708) internal successors, (3016), 2302 states have internal predecessors, (3016), 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 23:51:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3016 transitions. [2024-11-09 23:51:45,849 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3016 transitions. Word has length 56 [2024-11-09 23:51:45,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:45,849 INFO L471 AbstractCegarLoop]: Abstraction has 2303 states and 3016 transitions. [2024-11-09 23:51:45,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 23:51:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3016 transitions. [2024-11-09 23:51:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:45,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:45,851 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] [2024-11-09 23:51:45,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:51:45,853 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:45,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2082694210, now seen corresponding path program 1 times [2024-11-09 23:51:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:45,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660488946] [2024-11-09 23:51:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:45,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:45,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660488946] [2024-11-09 23:51:45,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660488946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:45,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:45,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:45,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156686550] [2024-11-09 23:51:45,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:45,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:45,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:45,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:45,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:45,916 INFO L87 Difference]: Start difference. First operand 2303 states and 3016 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 23:51:45,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:45,973 INFO L93 Difference]: Finished difference Result 4130 states and 5467 transitions. [2024-11-09 23:51:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2024-11-09 23:51:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:45,978 INFO L225 Difference]: With dead ends: 4130 [2024-11-09 23:51:45,978 INFO L226 Difference]: Without dead ends: 2840 [2024-11-09 23:51:45,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:45,980 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 351 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:45,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 561 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:45,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2024-11-09 23:51:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2121. [2024-11-09 23:51:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 2117 states have (on average 1.3131790269248937) internal successors, (2780), 2120 states have internal predecessors, (2780), 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 23:51:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2780 transitions. [2024-11-09 23:51:46,011 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2780 transitions. Word has length 57 [2024-11-09 23:51:46,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:46,011 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 2780 transitions. [2024-11-09 23:51:46,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 23:51:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2780 transitions. [2024-11-09 23:51:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:46,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:46,015 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] [2024-11-09 23:51:46,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:51:46,015 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:46,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 225616828, now seen corresponding path program 1 times [2024-11-09 23:51:46,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:46,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128969950] [2024-11-09 23:51:46,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:46,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:46,065 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 23:51:46,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:46,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128969950] [2024-11-09 23:51:46,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128969950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:46,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:46,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:46,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840732759] [2024-11-09 23:51:46,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:46,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:46,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:46,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:46,068 INFO L87 Difference]: Start difference. First operand 2121 states and 2780 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 23:51:46,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:46,122 INFO L93 Difference]: Finished difference Result 3827 states and 5061 transitions. [2024-11-09 23:51:46,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:46,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2024-11-09 23:51:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:46,126 INFO L225 Difference]: With dead ends: 3827 [2024-11-09 23:51:46,126 INFO L226 Difference]: Without dead ends: 2562 [2024-11-09 23:51:46,127 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 23:51:46,128 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 307 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:46,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 510 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2024-11-09 23:51:46,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2029. [2024-11-09 23:51:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2029 states, 2025 states have (on average 1.3130864197530865) internal successors, (2659), 2028 states have internal predecessors, (2659), 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 23:51:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 2029 states and 2659 transitions. [2024-11-09 23:51:46,153 INFO L78 Accepts]: Start accepts. Automaton has 2029 states and 2659 transitions. Word has length 58 [2024-11-09 23:51:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:46,153 INFO L471 AbstractCegarLoop]: Abstraction has 2029 states and 2659 transitions. [2024-11-09 23:51:46,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 23:51:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2659 transitions. [2024-11-09 23:51:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:46,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:46,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:46,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:51:46,156 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:46,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:46,157 INFO L85 PathProgramCache]: Analyzing trace with hash -265136572, now seen corresponding path program 1 times [2024-11-09 23:51:46,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:46,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292255911] [2024-11-09 23:51:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:46,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:46,652 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 23:51:46,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:46,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292255911] [2024-11-09 23:51:46,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292255911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:46,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:46,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 23:51:46,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416312968] [2024-11-09 23:51:46,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:46,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 23:51:46,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:46,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 23:51:46,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:51:46,654 INFO L87 Difference]: Start difference. First operand 2029 states and 2659 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:51:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:47,351 INFO L93 Difference]: Finished difference Result 4218 states and 5579 transitions. [2024-11-09 23:51:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:51:47,351 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 58 [2024-11-09 23:51:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:47,357 INFO L225 Difference]: With dead ends: 4218 [2024-11-09 23:51:47,357 INFO L226 Difference]: Without dead ends: 3993 [2024-11-09 23:51:47,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:51:47,358 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 2435 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:47,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2435 Valid, 1610 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:47,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2024-11-09 23:51:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 1987. [2024-11-09 23:51:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1984 states have (on average 1.314516129032258) internal successors, (2608), 1986 states have internal predecessors, (2608), 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 23:51:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2608 transitions. [2024-11-09 23:51:47,428 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2608 transitions. Word has length 58 [2024-11-09 23:51:47,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:47,429 INFO L471 AbstractCegarLoop]: Abstraction has 1987 states and 2608 transitions. [2024-11-09 23:51:47,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:51:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2608 transitions. [2024-11-09 23:51:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:47,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:47,431 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] [2024-11-09 23:51:47,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:51:47,431 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:47,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:47,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1421501212, now seen corresponding path program 1 times [2024-11-09 23:51:47,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:47,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192305583] [2024-11-09 23:51:47,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:47,986 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 23:51:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192305583] [2024-11-09 23:51:47,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192305583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:47,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:47,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 23:51:47,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635130959] [2024-11-09 23:51:47,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:47,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 23:51:47,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:47,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 23:51:47,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:51:47,989 INFO L87 Difference]: Start difference. First operand 1987 states and 2608 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 23:51:48,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:48,863 INFO L93 Difference]: Finished difference Result 4744 states and 6337 transitions. [2024-11-09 23:51:48,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 23:51:48,864 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 58 [2024-11-09 23:51:48,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:48,870 INFO L225 Difference]: With dead ends: 4744 [2024-11-09 23:51:48,870 INFO L226 Difference]: Without dead ends: 4740 [2024-11-09 23:51:48,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-09 23:51:48,872 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 2488 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:48,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 2215 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:48,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4740 states. [2024-11-09 23:51:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4740 to 1983. [2024-11-09 23:51:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1981 states have (on average 1.314487632508834) internal successors, (2604), 1982 states have internal predecessors, (2604), 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 23:51:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2604 transitions. [2024-11-09 23:51:48,907 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2604 transitions. Word has length 58 [2024-11-09 23:51:48,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:48,907 INFO L471 AbstractCegarLoop]: Abstraction has 1983 states and 2604 transitions. [2024-11-09 23:51:48,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 23:51:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2604 transitions. [2024-11-09 23:51:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:48,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:48,909 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] [2024-11-09 23:51:48,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:51:48,909 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:48,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:48,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1131330330, now seen corresponding path program 1 times [2024-11-09 23:51:48,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:48,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862749904] [2024-11-09 23:51:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:48,975 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 23:51:48,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862749904] [2024-11-09 23:51:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862749904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:48,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534606877] [2024-11-09 23:51:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:48,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:48,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:48,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:48,978 INFO L87 Difference]: Start difference. First operand 1983 states and 2604 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 23:51:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,036 INFO L93 Difference]: Finished difference Result 3659 states and 4841 transitions. [2024-11-09 23:51:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2024-11-09 23:51:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,039 INFO L225 Difference]: With dead ends: 3659 [2024-11-09 23:51:49,039 INFO L226 Difference]: Without dead ends: 2415 [2024-11-09 23:51:49,041 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 23:51:49,041 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 229 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 390 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:49,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2024-11-09 23:51:49,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1868. [2024-11-09 23:51:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1867 states have (on average 1.3165506159614355) internal successors, (2458), 1867 states have internal predecessors, (2458), 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 23:51:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2458 transitions. [2024-11-09 23:51:49,061 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2458 transitions. Word has length 58 [2024-11-09 23:51:49,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,061 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2458 transitions. [2024-11-09 23:51:49,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 23:51:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2458 transitions. [2024-11-09 23:51:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 23:51:49,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,065 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] [2024-11-09 23:51:49,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:51:49,066 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:49,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,066 INFO L85 PathProgramCache]: Analyzing trace with hash -395183976, now seen corresponding path program 1 times [2024-11-09 23:51:49,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17748745] [2024-11-09 23:51:49,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:49,153 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 23:51:49,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17748745] [2024-11-09 23:51:49,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17748745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:49,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:49,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:49,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114867957] [2024-11-09 23:51:49,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:49,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:49,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:49,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:49,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:49,156 INFO L87 Difference]: Start difference. First operand 1868 states and 2458 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 23:51:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,220 INFO L93 Difference]: Finished difference Result 4396 states and 5918 transitions. [2024-11-09 23:51:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:49,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 68 [2024-11-09 23:51:49,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,225 INFO L225 Difference]: With dead ends: 4396 [2024-11-09 23:51:49,225 INFO L226 Difference]: Without dead ends: 3260 [2024-11-09 23:51:49,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:49,227 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1004 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 670 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:49,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2024-11-09 23:51:49,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 2842. [2024-11-09 23:51:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2841 states have (on average 1.3143259415698698) internal successors, (3734), 2841 states have internal predecessors, (3734), 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 23:51:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3734 transitions. [2024-11-09 23:51:49,287 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3734 transitions. Word has length 68 [2024-11-09 23:51:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,287 INFO L471 AbstractCegarLoop]: Abstraction has 2842 states and 3734 transitions. [2024-11-09 23:51:49,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 23:51:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3734 transitions. [2024-11-09 23:51:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 23:51:49,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,293 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] [2024-11-09 23:51:49,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:51:49,293 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:49,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,294 INFO L85 PathProgramCache]: Analyzing trace with hash -867925864, now seen corresponding path program 1 times [2024-11-09 23:51:49,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189226600] [2024-11-09 23:51:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:49,422 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 23:51:49,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:49,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189226600] [2024-11-09 23:51:49,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189226600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:49,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:49,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415921263] [2024-11-09 23:51:49,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:49,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:49,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:49,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:49,425 INFO L87 Difference]: Start difference. First operand 2842 states and 3734 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 23:51:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,501 INFO L93 Difference]: Finished difference Result 2848 states and 3737 transitions. [2024-11-09 23:51:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:49,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 70 [2024-11-09 23:51:49,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,505 INFO L225 Difference]: With dead ends: 2848 [2024-11-09 23:51:49,506 INFO L226 Difference]: Without dead ends: 2389 [2024-11-09 23:51:49,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:51:49,507 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 617 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 732 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:49,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-11-09 23:51:49,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2385. [2024-11-09 23:51:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2384 states have (on average 1.31753355704698) internal successors, (3141), 2384 states have internal predecessors, (3141), 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 23:51:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3141 transitions. [2024-11-09 23:51:49,541 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3141 transitions. Word has length 70 [2024-11-09 23:51:49,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,541 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 3141 transitions. [2024-11-09 23:51:49,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 23:51:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3141 transitions. [2024-11-09 23:51:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:51:49,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:49,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 23:51:49,545 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:49,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1809434773, now seen corresponding path program 1 times [2024-11-09 23:51:49,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408567078] [2024-11-09 23:51:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:49,643 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 23:51:49,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408567078] [2024-11-09 23:51:49,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408567078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:49,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:49,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:49,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398241687] [2024-11-09 23:51:49,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:49,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:49,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:49,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:49,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:49,646 INFO L87 Difference]: Start difference. First operand 2385 states and 3141 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 23:51:49,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,678 INFO L93 Difference]: Finished difference Result 5591 states and 7459 transitions. [2024-11-09 23:51:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:49,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2024-11-09 23:51:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,684 INFO L225 Difference]: With dead ends: 5591 [2024-11-09 23:51:49,684 INFO L226 Difference]: Without dead ends: 3773 [2024-11-09 23:51:49,686 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 23:51:49,687 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 137 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 528 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2024-11-09 23:51:49,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3563. [2024-11-09 23:51:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 3562 states have (on average 1.3130263896687255) internal successors, (4677), 3562 states have internal predecessors, (4677), 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 23:51:49,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4677 transitions. [2024-11-09 23:51:49,729 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4677 transitions. Word has length 71 [2024-11-09 23:51:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,730 INFO L471 AbstractCegarLoop]: Abstraction has 3563 states and 4677 transitions. [2024-11-09 23:51:49,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 23:51:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4677 transitions. [2024-11-09 23:51:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 23:51:49,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,733 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] [2024-11-09 23:51:49,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 23:51:49,733 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:49,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,734 INFO L85 PathProgramCache]: Analyzing trace with hash 5521417, now seen corresponding path program 1 times [2024-11-09 23:51:49,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231634886] [2024-11-09 23:51:49,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:49,851 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 23:51:49,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:49,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231634886] [2024-11-09 23:51:49,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231634886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:49,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:49,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:49,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605185046] [2024-11-09 23:51:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:49,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:49,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:49,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:49,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:49,854 INFO L87 Difference]: Start difference. First operand 3563 states and 4677 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 23:51:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,895 INFO L93 Difference]: Finished difference Result 9191 states and 12211 transitions. [2024-11-09 23:51:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:49,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-09 23:51:49,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,904 INFO L225 Difference]: With dead ends: 9191 [2024-11-09 23:51:49,905 INFO L226 Difference]: Without dead ends: 6219 [2024-11-09 23:51:49,909 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 23:51:49,910 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 125 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 518 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:49,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2024-11-09 23:51:49,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 5801. [2024-11-09 23:51:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5801 states, 5800 states have (on average 1.3143103448275861) internal successors, (7623), 5800 states have internal predecessors, (7623), 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 23:51:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5801 states to 5801 states and 7623 transitions. [2024-11-09 23:51:49,992 INFO L78 Accepts]: Start accepts. Automaton has 5801 states and 7623 transitions. Word has length 72 [2024-11-09 23:51:49,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,992 INFO L471 AbstractCegarLoop]: Abstraction has 5801 states and 7623 transitions. [2024-11-09 23:51:49,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 23:51:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5801 states and 7623 transitions. [2024-11-09 23:51:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:51:49,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,995 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] [2024-11-09 23:51:49,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 23:51:49,995 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:49,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash 648102065, now seen corresponding path program 1 times [2024-11-09 23:51:49,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643649945] [2024-11-09 23:51:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:50,097 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 23:51:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:50,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643649945] [2024-11-09 23:51:50,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643649945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:50,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:50,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:50,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870242136] [2024-11-09 23:51:50,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:50,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:50,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:50,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:50,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:50,100 INFO L87 Difference]: Start difference. First operand 5801 states and 7623 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 23:51:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:50,160 INFO L93 Difference]: Finished difference Result 15589 states and 20585 transitions. [2024-11-09 23:51:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2024-11-09 23:51:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:50,176 INFO L225 Difference]: With dead ends: 15589 [2024-11-09 23:51:50,176 INFO L226 Difference]: Without dead ends: 10379 [2024-11-09 23:51:50,185 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 23:51:50,186 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 103 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:50,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 511 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10379 states. [2024-11-09 23:51:50,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10379 to 9545. [2024-11-09 23:51:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.3058466051969824) internal successors, (12463), 9544 states have internal predecessors, (12463), 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 23:51:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 12463 transitions. [2024-11-09 23:51:50,306 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 12463 transitions. Word has length 74 [2024-11-09 23:51:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:50,306 INFO L471 AbstractCegarLoop]: Abstraction has 9545 states and 12463 transitions. [2024-11-09 23:51:50,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 23:51:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 12463 transitions. [2024-11-09 23:51:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 23:51:50,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:50,308 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] [2024-11-09 23:51:50,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 23:51:50,309 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:50,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash -271063091, now seen corresponding path program 1 times [2024-11-09 23:51:50,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:50,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294771894] [2024-11-09 23:51:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:50,603 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 23:51:50,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:50,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294771894] [2024-11-09 23:51:50,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294771894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:50,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:50,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:50,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847986362] [2024-11-09 23:51:50,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:50,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:51:50,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:51:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:51:50,606 INFO L87 Difference]: Start difference. First operand 9545 states and 12463 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 23:51:50,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:50,662 INFO L93 Difference]: Finished difference Result 10763 states and 13984 transitions. [2024-11-09 23:51:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:51:50,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 76 [2024-11-09 23:51:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:50,679 INFO L225 Difference]: With dead ends: 10763 [2024-11-09 23:51:50,679 INFO L226 Difference]: Without dead ends: 10761 [2024-11-09 23:51:50,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:51:50,683 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:50,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1246 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10761 states. [2024-11-09 23:51:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10761 to 10761. [2024-11-09 23:51:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10761 states, 10760 states have (on average 1.271282527881041) internal successors, (13679), 10760 states have internal predecessors, (13679), 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 23:51:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10761 states to 10761 states and 13679 transitions. [2024-11-09 23:51:50,805 INFO L78 Accepts]: Start accepts. Automaton has 10761 states and 13679 transitions. Word has length 76 [2024-11-09 23:51:50,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:50,805 INFO L471 AbstractCegarLoop]: Abstraction has 10761 states and 13679 transitions. [2024-11-09 23:51:50,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 23:51:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 10761 states and 13679 transitions. [2024-11-09 23:51:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 23:51:50,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:50,808 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] [2024-11-09 23:51:50,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 23:51:50,808 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:50,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash -765255210, now seen corresponding path program 1 times [2024-11-09 23:51:50,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:50,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558626592] [2024-11-09 23:51:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:50,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:50,913 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 23:51:50,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:50,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558626592] [2024-11-09 23:51:50,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558626592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:50,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:50,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:50,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013624019] [2024-11-09 23:51:50,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:50,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:50,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:50,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:50,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:50,916 INFO L87 Difference]: Start difference. First operand 10761 states and 13679 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 23:51:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:51,012 INFO L93 Difference]: Finished difference Result 15487 states and 19858 transitions. [2024-11-09 23:51:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:51,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2024-11-09 23:51:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:51,034 INFO L225 Difference]: With dead ends: 15487 [2024-11-09 23:51:51,034 INFO L226 Difference]: Without dead ends: 13037 [2024-11-09 23:51:51,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:51,041 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 622 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:51,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 797 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:51,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13037 states. [2024-11-09 23:51:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13037 to 12179. [2024-11-09 23:51:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12179 states, 12178 states have (on average 1.2696666119231401) internal successors, (15462), 12178 states have internal predecessors, (15462), 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 23:51:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12179 states to 12179 states and 15462 transitions. [2024-11-09 23:51:51,248 INFO L78 Accepts]: Start accepts. Automaton has 12179 states and 15462 transitions. Word has length 77 [2024-11-09 23:51:51,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:51,248 INFO L471 AbstractCegarLoop]: Abstraction has 12179 states and 15462 transitions. [2024-11-09 23:51:51,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 23:51:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12179 states and 15462 transitions. [2024-11-09 23:51:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 23:51:51,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:51,250 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] [2024-11-09 23:51:51,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 23:51:51,251 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:51,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1361136197, now seen corresponding path program 1 times [2024-11-09 23:51:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:51,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815702873] [2024-11-09 23:51:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:51,307 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 23:51:51,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815702873] [2024-11-09 23:51:51,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815702873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:51,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:51,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:51,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091314438] [2024-11-09 23:51:51,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:51,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:51,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:51,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:51,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:51,309 INFO L87 Difference]: Start difference. First operand 12179 states and 15462 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 23:51:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:51,384 INFO L93 Difference]: Finished difference Result 29401 states and 37292 transitions. [2024-11-09 23:51:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:51,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 77 [2024-11-09 23:51:51,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:51,413 INFO L225 Difference]: With dead ends: 29401 [2024-11-09 23:51:51,414 INFO L226 Difference]: Without dead ends: 17823 [2024-11-09 23:51:51,428 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 23:51:51,429 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 171 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:51,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 413 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:51,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17823 states. [2024-11-09 23:51:51,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17823 to 17821. [2024-11-09 23:51:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17821 states, 17820 states have (on average 1.2539842873176206) internal successors, (22346), 17820 states have internal predecessors, (22346), 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 23:51:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17821 states to 17821 states and 22346 transitions. [2024-11-09 23:51:51,649 INFO L78 Accepts]: Start accepts. Automaton has 17821 states and 22346 transitions. Word has length 77 [2024-11-09 23:51:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:51,650 INFO L471 AbstractCegarLoop]: Abstraction has 17821 states and 22346 transitions. [2024-11-09 23:51:51,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 23:51:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 17821 states and 22346 transitions. [2024-11-09 23:51:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 23:51:51,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:51,653 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] [2024-11-09 23:51:51,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 23:51:51,655 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:51,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:51,655 INFO L85 PathProgramCache]: Analyzing trace with hash -980422295, now seen corresponding path program 1 times [2024-11-09 23:51:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:51,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176160120] [2024-11-09 23:51:51,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:51,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:51,843 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 23:51:51,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:51,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176160120] [2024-11-09 23:51:51,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176160120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:51,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:51,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:51,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280507734] [2024-11-09 23:51:51,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:51,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:51,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:51,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:51,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:51,847 INFO L87 Difference]: Start difference. First operand 17821 states and 22346 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 23:51:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:51,974 INFO L93 Difference]: Finished difference Result 24229 states and 30530 transitions. [2024-11-09 23:51:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:51,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2024-11-09 23:51:51,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:52,011 INFO L225 Difference]: With dead ends: 24229 [2024-11-09 23:51:52,012 INFO L226 Difference]: Without dead ends: 20381 [2024-11-09 23:51:52,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:52,023 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 625 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:52,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 784 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20381 states. [2024-11-09 23:51:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20381 to 19915. [2024-11-09 23:51:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19915 states, 19914 states have (on average 1.250878778748619) internal successors, (24910), 19914 states have internal predecessors, (24910), 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 23:51:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19915 states to 19915 states and 24910 transitions. [2024-11-09 23:51:52,331 INFO L78 Accepts]: Start accepts. Automaton has 19915 states and 24910 transitions. Word has length 79 [2024-11-09 23:51:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:52,331 INFO L471 AbstractCegarLoop]: Abstraction has 19915 states and 24910 transitions. [2024-11-09 23:51:52,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 23:51:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 19915 states and 24910 transitions. [2024-11-09 23:51:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:51:52,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:52,341 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:52,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 23:51:52,341 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:52,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash 437722020, now seen corresponding path program 1 times [2024-11-09 23:51:52,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:52,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753296877] [2024-11-09 23:51:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:52,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 23:51:52,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:52,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753296877] [2024-11-09 23:51:52,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753296877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:52,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:52,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:52,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239264871] [2024-11-09 23:51:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:52,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:52,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:52,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:52,652 INFO L87 Difference]: Start difference. First operand 19915 states and 24910 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 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 23:51:53,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:53,252 INFO L93 Difference]: Finished difference Result 54730 states and 68361 transitions. [2024-11-09 23:51:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 23:51:53,253 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 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 97 [2024-11-09 23:51:53,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:53,327 INFO L225 Difference]: With dead ends: 54730 [2024-11-09 23:51:53,327 INFO L226 Difference]: Without dead ends: 43967 [2024-11-09 23:51:53,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:51:53,350 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1258 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:53,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 821 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43967 states. [2024-11-09 23:51:53,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43967 to 19875. [2024-11-09 23:51:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19875 states, 19874 states have (on average 1.2509308644460098) internal successors, (24861), 19874 states have internal predecessors, (24861), 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 23:51:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19875 states to 19875 states and 24861 transitions. [2024-11-09 23:51:53,679 INFO L78 Accepts]: Start accepts. Automaton has 19875 states and 24861 transitions. Word has length 97 [2024-11-09 23:51:53,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:53,680 INFO L471 AbstractCegarLoop]: Abstraction has 19875 states and 24861 transitions. [2024-11-09 23:51:53,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 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 23:51:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 19875 states and 24861 transitions. [2024-11-09 23:51:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:51:53,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:53,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:53,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 23:51:53,688 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:53,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash 303037257, now seen corresponding path program 1 times [2024-11-09 23:51:53,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:53,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417876821] [2024-11-09 23:51:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:53,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:53,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:53,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417876821] [2024-11-09 23:51:53,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417876821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:53,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237375342] [2024-11-09 23:51:53,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:53,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:53,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:53,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:51:53,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:51:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:54,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 23:51:54,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:54,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:55,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237375342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:55,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:55,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 11] total 20 [2024-11-09 23:51:55,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164699650] [2024-11-09 23:51:55,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:55,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 23:51:55,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:55,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 23:51:55,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:51:55,544 INFO L87 Difference]: Start difference. First operand 19875 states and 24861 transitions. Second operand has 20 states, 20 states have (on average 13.0) internal successors, (260), 20 states have internal predecessors, (260), 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 23:51:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:58,345 INFO L93 Difference]: Finished difference Result 89758 states and 112422 transitions. [2024-11-09 23:51:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 23:51:58,346 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.0) internal successors, (260), 20 states have internal predecessors, (260), 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 97 [2024-11-09 23:51:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:58,433 INFO L225 Difference]: With dead ends: 89758 [2024-11-09 23:51:58,434 INFO L226 Difference]: Without dead ends: 70444 [2024-11-09 23:51:58,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2173 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1312, Invalid=4694, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 23:51:58,464 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 5287 mSDsluCounter, 4081 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:58,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 4630 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 23:51:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70444 states. [2024-11-09 23:51:59,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70444 to 52331. [2024-11-09 23:51:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52331 states, 52330 states have (on average 1.2464169692337093) internal successors, (65225), 52330 states have internal predecessors, (65225), 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 23:51:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52331 states to 52331 states and 65225 transitions. [2024-11-09 23:51:59,396 INFO L78 Accepts]: Start accepts. Automaton has 52331 states and 65225 transitions. Word has length 97 [2024-11-09 23:51:59,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:59,397 INFO L471 AbstractCegarLoop]: Abstraction has 52331 states and 65225 transitions. [2024-11-09 23:51:59,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.0) internal successors, (260), 20 states have internal predecessors, (260), 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 23:51:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 52331 states and 65225 transitions. [2024-11-09 23:51:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 23:51:59,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:59,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:59,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 23:51:59,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:59,610 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:59,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:59,612 INFO L85 PathProgramCache]: Analyzing trace with hash 519289346, now seen corresponding path program 1 times [2024-11-09 23:51:59,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:59,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651939628] [2024-11-09 23:51:59,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:59,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:59,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:59,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651939628] [2024-11-09 23:51:59,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651939628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:59,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:59,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:59,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400962406] [2024-11-09 23:51:59,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:59,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:59,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:59,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:59,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:59,738 INFO L87 Difference]: Start difference. First operand 52331 states and 65225 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 23:52:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:00,237 INFO L93 Difference]: Finished difference Result 105946 states and 131927 transitions. [2024-11-09 23:52:00,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:52:00,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 98 [2024-11-09 23:52:00,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:00,690 INFO L225 Difference]: With dead ends: 105946 [2024-11-09 23:52:00,690 INFO L226 Difference]: Without dead ends: 54176 [2024-11-09 23:52:00,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:52:00,771 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 471 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:00,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 460 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:52:00,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54176 states. [2024-11-09 23:52:01,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54176 to 50688. [2024-11-09 23:52:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50688 states, 50687 states have (on average 1.2267642590802375) internal successors, (62181), 50687 states have internal predecessors, (62181), 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 23:52:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50688 states to 50688 states and 62181 transitions. [2024-11-09 23:52:01,445 INFO L78 Accepts]: Start accepts. Automaton has 50688 states and 62181 transitions. Word has length 98 [2024-11-09 23:52:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:01,445 INFO L471 AbstractCegarLoop]: Abstraction has 50688 states and 62181 transitions. [2024-11-09 23:52:01,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 23:52:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 50688 states and 62181 transitions. [2024-11-09 23:52:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 23:52:01,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:01,459 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:01,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 23:52:01,459 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:01,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1118167131, now seen corresponding path program 1 times [2024-11-09 23:52:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:01,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947192827] [2024-11-09 23:52:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:01,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:01,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:01,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947192827] [2024-11-09 23:52:01,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947192827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:01,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:01,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:52:01,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317209329] [2024-11-09 23:52:01,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:01,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:52:01,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:01,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:52:01,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:52:01,616 INFO L87 Difference]: Start difference. First operand 50688 states and 62181 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 23:52:01,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:01,956 INFO L93 Difference]: Finished difference Result 64342 states and 79250 transitions. [2024-11-09 23:52:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:52:01,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 102 [2024-11-09 23:52:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:02,009 INFO L225 Difference]: With dead ends: 64342 [2024-11-09 23:52:02,009 INFO L226 Difference]: Without dead ends: 56237 [2024-11-09 23:52:02,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:52:02,024 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 551 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:02,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 834 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:52:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56237 states. [2024-11-09 23:52:02,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56237 to 55161. [2024-11-09 23:52:02,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55161 states, 55160 states have (on average 1.2230601885424222) internal successors, (67464), 55160 states have internal predecessors, (67464), 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 23:52:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55161 states to 55161 states and 67464 transitions. [2024-11-09 23:52:02,673 INFO L78 Accepts]: Start accepts. Automaton has 55161 states and 67464 transitions. Word has length 102 [2024-11-09 23:52:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:02,674 INFO L471 AbstractCegarLoop]: Abstraction has 55161 states and 67464 transitions. [2024-11-09 23:52:02,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 23:52:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55161 states and 67464 transitions. [2024-11-09 23:52:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 23:52:02,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:02,684 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:02,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 23:52:02,684 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:02,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1212769140, now seen corresponding path program 1 times [2024-11-09 23:52:02,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:02,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358478411] [2024-11-09 23:52:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:02,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:02,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358478411] [2024-11-09 23:52:02,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358478411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:52:02,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405806144] [2024-11-09 23:52:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:02,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:02,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:52:02,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:52:02,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:52:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:03,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:52:03,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:52:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:03,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:52:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:03,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405806144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:52:03,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:52:03,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:52:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944575549] [2024-11-09 23:52:03,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:52:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:52:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:03,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:52:03,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:52:03,639 INFO L87 Difference]: Start difference. First operand 55161 states and 67464 transitions. Second operand has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 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 23:52:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:04,230 INFO L93 Difference]: Finished difference Result 111146 states and 135845 transitions. [2024-11-09 23:52:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:52:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 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 104 [2024-11-09 23:52:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:04,297 INFO L225 Difference]: With dead ends: 111146 [2024-11-09 23:52:04,298 INFO L226 Difference]: Without dead ends: 56462 [2024-11-09 23:52:04,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:52:04,335 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 2217 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:04,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 865 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:52:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56462 states. [2024-11-09 23:52:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56462 to 54088. [2024-11-09 23:52:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54088 states, 54087 states have (on average 1.196627655444007) internal successors, (64722), 54087 states have internal predecessors, (64722), 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 23:52:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54088 states to 54088 states and 64722 transitions. [2024-11-09 23:52:05,018 INFO L78 Accepts]: Start accepts. Automaton has 54088 states and 64722 transitions. Word has length 104 [2024-11-09 23:52:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:05,018 INFO L471 AbstractCegarLoop]: Abstraction has 54088 states and 64722 transitions. [2024-11-09 23:52:05,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 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 23:52:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 54088 states and 64722 transitions. [2024-11-09 23:52:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 23:52:05,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:05,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:05,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 23:52:05,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 23:52:05,227 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:05,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1066925699, now seen corresponding path program 1 times [2024-11-09 23:52:05,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:05,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470844668] [2024-11-09 23:52:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 23:52:05,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:05,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470844668] [2024-11-09 23:52:05,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470844668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:05,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:05,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:52:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105502562] [2024-11-09 23:52:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:05,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:52:05,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:05,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:52:05,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:52:05,619 INFO L87 Difference]: Start difference. First operand 54088 states and 64722 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 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 23:52:06,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:06,040 INFO L93 Difference]: Finished difference Result 80492 states and 96262 transitions. [2024-11-09 23:52:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:52:06,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 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 106 [2024-11-09 23:52:06,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:06,122 INFO L225 Difference]: With dead ends: 80492 [2024-11-09 23:52:06,122 INFO L226 Difference]: Without dead ends: 64104 [2024-11-09 23:52:06,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:52:06,156 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1210 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:06,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 440 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:52:06,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64104 states. [2024-11-09 23:52:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64104 to 54032. [2024-11-09 23:52:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54032 states, 54031 states have (on average 1.1966093538894338) internal successors, (64654), 54031 states have internal predecessors, (64654), 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 23:52:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54032 states to 54032 states and 64654 transitions. [2024-11-09 23:52:07,123 INFO L78 Accepts]: Start accepts. Automaton has 54032 states and 64654 transitions. Word has length 106 [2024-11-09 23:52:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:07,123 INFO L471 AbstractCegarLoop]: Abstraction has 54032 states and 64654 transitions. [2024-11-09 23:52:07,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 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 23:52:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54032 states and 64654 transitions. [2024-11-09 23:52:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 23:52:07,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:07,133 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:07,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 23:52:07,133 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:07,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:07,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1707625276, now seen corresponding path program 1 times [2024-11-09 23:52:07,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:07,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708631837] [2024-11-09 23:52:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:07,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:07,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708631837] [2024-11-09 23:52:07,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708631837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:07,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:07,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:52:07,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001044141] [2024-11-09 23:52:07,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:07,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:52:07,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:07,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:52:07,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:52:07,645 INFO L87 Difference]: Start difference. First operand 54032 states and 64654 transitions. Second operand has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 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 23:52:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:08,438 INFO L93 Difference]: Finished difference Result 137935 states and 164626 transitions. [2024-11-09 23:52:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:52:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 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 107 [2024-11-09 23:52:08,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:08,764 INFO L225 Difference]: With dead ends: 137935 [2024-11-09 23:52:08,764 INFO L226 Difference]: Without dead ends: 111913 [2024-11-09 23:52:08,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:52:08,792 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 749 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:08,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1242 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:52:08,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111913 states. [2024-11-09 23:52:09,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111913 to 83251. [2024-11-09 23:52:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83251 states, 83250 states have (on average 1.1974774774774775) internal successors, (99690), 83250 states have internal predecessors, (99690), 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 23:52:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83251 states to 83251 states and 99690 transitions. [2024-11-09 23:52:09,639 INFO L78 Accepts]: Start accepts. Automaton has 83251 states and 99690 transitions. Word has length 107 [2024-11-09 23:52:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:09,639 INFO L471 AbstractCegarLoop]: Abstraction has 83251 states and 99690 transitions. [2024-11-09 23:52:09,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 9 states have internal predecessors, (107), 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 23:52:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 83251 states and 99690 transitions. [2024-11-09 23:52:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 23:52:09,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:09,648 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:09,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 23:52:09,648 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:09,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1251925169, now seen corresponding path program 1 times [2024-11-09 23:52:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947915469] [2024-11-09 23:52:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:10,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947915469] [2024-11-09 23:52:10,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947915469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:52:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867099542] [2024-11-09 23:52:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:52:10,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:52:10,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:52:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:10,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 23:52:10,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:52:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:11,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:52:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867099542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:52:12,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:52:12,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 12] total 25 [2024-11-09 23:52:12,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289329032] [2024-11-09 23:52:12,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:52:12,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 23:52:12,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:12,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 23:52:12,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2024-11-09 23:52:12,747 INFO L87 Difference]: Start difference. First operand 83251 states and 99690 transitions. Second operand has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 25 states have internal predecessors, (261), 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 23:52:14,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:14,725 INFO L93 Difference]: Finished difference Result 192056 states and 229404 transitions. [2024-11-09 23:52:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 23:52:14,726 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 25 states have internal predecessors, (261), 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 107 [2024-11-09 23:52:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:15,119 INFO L225 Difference]: With dead ends: 192056 [2024-11-09 23:52:15,119 INFO L226 Difference]: Without dead ends: 150515 [2024-11-09 23:52:15,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=662, Invalid=2094, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 23:52:15,145 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 5185 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5185 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:15,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5185 Valid, 2475 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:52:15,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150515 states. [2024-11-09 23:52:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150515 to 84046. [2024-11-09 23:52:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84046 states, 84045 states have (on average 1.1970135046701171) internal successors, (100603), 84045 states have internal predecessors, (100603), 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 23:52:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84046 states to 84046 states and 100603 transitions. [2024-11-09 23:52:16,203 INFO L78 Accepts]: Start accepts. Automaton has 84046 states and 100603 transitions. Word has length 107 [2024-11-09 23:52:16,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:16,204 INFO L471 AbstractCegarLoop]: Abstraction has 84046 states and 100603 transitions. [2024-11-09 23:52:16,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 25 states have internal predecessors, (261), 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 23:52:16,204 INFO L276 IsEmpty]: Start isEmpty. Operand 84046 states and 100603 transitions. [2024-11-09 23:52:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:52:16,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:16,210 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:16,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:52:16,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:16,415 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:16,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:16,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1076152374, now seen corresponding path program 1 times [2024-11-09 23:52:16,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:16,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565292593] [2024-11-09 23:52:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:16,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:16,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565292593] [2024-11-09 23:52:16,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565292593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:16,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:16,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:52:16,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65394492] [2024-11-09 23:52:16,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:16,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:52:16,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:16,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:52:16,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:52:16,480 INFO L87 Difference]: Start difference. First operand 84046 states and 100603 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 23:52:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:17,225 INFO L93 Difference]: Finished difference Result 162718 states and 194673 transitions. [2024-11-09 23:52:17,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:52:17,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2024-11-09 23:52:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:17,454 INFO L225 Difference]: With dead ends: 162718 [2024-11-09 23:52:17,454 INFO L226 Difference]: Without dead ends: 124899 [2024-11-09 23:52:17,473 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 23:52:17,473 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 118 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:17,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 579 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:52:17,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124899 states. [2024-11-09 23:52:18,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124899 to 85670. [2024-11-09 23:52:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85670 states, 85669 states have (on average 1.1902555183321855) internal successors, (101968), 85669 states have internal predecessors, (101968), 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 23:52:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85670 states to 85670 states and 101968 transitions. [2024-11-09 23:52:18,897 INFO L78 Accepts]: Start accepts. Automaton has 85670 states and 101968 transitions. Word has length 108 [2024-11-09 23:52:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:18,897 INFO L471 AbstractCegarLoop]: Abstraction has 85670 states and 101968 transitions. [2024-11-09 23:52:18,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 23:52:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 85670 states and 101968 transitions. [2024-11-09 23:52:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:52:18,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:18,906 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:18,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 23:52:18,907 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:18,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash -627231862, now seen corresponding path program 1 times [2024-11-09 23:52:18,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:18,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120950977] [2024-11-09 23:52:18,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:18,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120950977] [2024-11-09 23:52:19,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120950977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:52:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411600131] [2024-11-09 23:52:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:19,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:19,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:52:19,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:52:19,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:52:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:19,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 23:52:19,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:52:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:20,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:52:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:21,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411600131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:52:21,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:52:21,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 32 [2024-11-09 23:52:21,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728101396] [2024-11-09 23:52:21,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:52:21,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 23:52:21,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:21,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 23:52:21,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=880, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 23:52:21,914 INFO L87 Difference]: Start difference. First operand 85670 states and 101968 transitions. Second operand has 33 states, 33 states have (on average 8.575757575757576) internal successors, (283), 32 states have internal predecessors, (283), 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 23:52:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:24,832 INFO L93 Difference]: Finished difference Result 350123 states and 416192 transitions. [2024-11-09 23:52:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-09 23:52:24,832 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 8.575757575757576) internal successors, (283), 32 states have internal predecessors, (283), 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 108 [2024-11-09 23:52:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:25,187 INFO L225 Difference]: With dead ends: 350123 [2024-11-09 23:52:25,187 INFO L226 Difference]: Without dead ends: 305820 [2024-11-09 23:52:25,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1302, Invalid=4248, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 23:52:25,716 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 3324 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:25,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3324 Valid, 2527 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:52:25,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305820 states. [2024-11-09 23:52:28,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305820 to 149597. [2024-11-09 23:52:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149597 states, 149596 states have (on average 1.1929663894756544) internal successors, (178463), 149596 states have internal predecessors, (178463), 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 23:52:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149597 states to 149597 states and 178463 transitions. [2024-11-09 23:52:28,449 INFO L78 Accepts]: Start accepts. Automaton has 149597 states and 178463 transitions. Word has length 108 [2024-11-09 23:52:28,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:28,450 INFO L471 AbstractCegarLoop]: Abstraction has 149597 states and 178463 transitions. [2024-11-09 23:52:28,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.575757575757576) internal successors, (283), 32 states have internal predecessors, (283), 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 23:52:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 149597 states and 178463 transitions. [2024-11-09 23:52:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:52:28,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:28,461 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:28,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:52:28,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 23:52:28,661 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:28,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:28,662 INFO L85 PathProgramCache]: Analyzing trace with hash -416095326, now seen corresponding path program 1 times [2024-11-09 23:52:28,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:28,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380617521] [2024-11-09 23:52:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:28,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:28,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380617521] [2024-11-09 23:52:28,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380617521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:52:28,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37536873] [2024-11-09 23:52:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:52:28,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:52:28,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:52:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:28,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:52:29,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:52:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:29,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:52:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37536873] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:52:29,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:52:29,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:52:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043551390] [2024-11-09 23:52:29,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:52:29,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:52:29,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:29,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:52:29,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:52:29,379 INFO L87 Difference]: Start difference. First operand 149597 states and 178463 transitions. Second operand has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 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 23:52:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:30,802 INFO L93 Difference]: Finished difference Result 297837 states and 355428 transitions. [2024-11-09 23:52:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:52:30,802 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 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 108 [2024-11-09 23:52:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:30,988 INFO L225 Difference]: With dead ends: 297837 [2024-11-09 23:52:30,988 INFO L226 Difference]: Without dead ends: 149574 [2024-11-09 23:52:31,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:52:31,053 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1372 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:31,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 916 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:52:31,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149574 states. [2024-11-09 23:52:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149574 to 135364. [2024-11-09 23:52:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135364 states, 135363 states have (on average 1.172698595628052) internal successors, (158740), 135363 states have internal predecessors, (158740), 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 23:52:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135364 states to 135364 states and 158740 transitions. [2024-11-09 23:52:33,610 INFO L78 Accepts]: Start accepts. Automaton has 135364 states and 158740 transitions. Word has length 108 [2024-11-09 23:52:33,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:33,610 INFO L471 AbstractCegarLoop]: Abstraction has 135364 states and 158740 transitions. [2024-11-09 23:52:33,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 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 23:52:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 135364 states and 158740 transitions. [2024-11-09 23:52:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 23:52:33,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:33,634 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:33,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:52:33,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 23:52:33,835 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:33,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:33,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1607200824, now seen corresponding path program 1 times [2024-11-09 23:52:33,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:33,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431338568] [2024-11-09 23:52:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:33,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:33,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:33,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431338568] [2024-11-09 23:52:33,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431338568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:33,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:33,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:52:33,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212263113] [2024-11-09 23:52:33,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:33,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:52:33,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:33,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:52:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:52:33,897 INFO L87 Difference]: Start difference. First operand 135364 states and 158740 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 23:52:34,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:34,245 INFO L93 Difference]: Finished difference Result 181951 states and 212991 transitions. [2024-11-09 23:52:34,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:52:34,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2024-11-09 23:52:34,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:34,400 INFO L225 Difference]: With dead ends: 181951 [2024-11-09 23:52:34,401 INFO L226 Difference]: Without dead ends: 142374 [2024-11-09 23:52:34,451 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 23:52:34,451 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 84 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:34,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 547 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:52:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142374 states. [2024-11-09 23:52:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142374 to 141923. [2024-11-09 23:52:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141923 states, 141922 states have (on average 1.1699243246290216) internal successors, (166038), 141922 states have internal predecessors, (166038), 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 23:52:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141923 states to 141923 states and 166038 transitions. [2024-11-09 23:52:36,777 INFO L78 Accepts]: Start accepts. Automaton has 141923 states and 166038 transitions. Word has length 110 [2024-11-09 23:52:36,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:36,777 INFO L471 AbstractCegarLoop]: Abstraction has 141923 states and 166038 transitions. [2024-11-09 23:52:36,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 23:52:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 141923 states and 166038 transitions. [2024-11-09 23:52:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 23:52:36,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:36,789 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:36,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 23:52:36,790 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:36,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:36,790 INFO L85 PathProgramCache]: Analyzing trace with hash -179581964, now seen corresponding path program 1 times [2024-11-09 23:52:36,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:36,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569681666] [2024-11-09 23:52:36,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 23:52:37,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569681666] [2024-11-09 23:52:37,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569681666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:37,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:37,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:52:37,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131701525] [2024-11-09 23:52:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:37,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:52:37,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:52:37,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:52:37,082 INFO L87 Difference]: Start difference. First operand 141923 states and 166038 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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 23:52:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:37,925 INFO L93 Difference]: Finished difference Result 274008 states and 321031 transitions. [2024-11-09 23:52:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:52:37,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 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 110 [2024-11-09 23:52:37,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:38,756 INFO L225 Difference]: With dead ends: 274008 [2024-11-09 23:52:38,756 INFO L226 Difference]: Without dead ends: 206276 [2024-11-09 23:52:38,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:52:38,822 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1026 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:38,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1072 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:52:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206276 states. [2024-11-09 23:52:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206276 to 141841.