./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff8f3f7dc837fc67a7020fd9a9dd65135ef198f3603f2c180bcb5ad9943191ea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:54:42,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:54:42,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:54:42,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:54:42,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:54:42,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:54:42,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:54:42,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:54:42,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:54:42,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:54:42,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:54:42,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:54:42,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:54:42,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:54:42,633 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:54:42,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:54:42,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:54:42,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:54:42,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:54:42,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:54:42,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:54:42,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:54:42,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:54:42,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:54:42,640 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:54:42,640 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:54:42,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:54:42,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:54:42,641 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:54:42,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:54:42,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:54:42,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:54:42,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:54:42,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:54:42,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:54:42,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:54:42,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:54:42,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:54:42,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:54:42,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:54:42,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:54:42,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:54:42,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff8f3f7dc837fc67a7020fd9a9dd65135ef198f3603f2c180bcb5ad9943191ea [2024-11-09 23:54:42,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:54:42,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:54:42,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:54:42,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:54:42,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:54:42,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:54:44,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:54:44,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:54:44,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:54:44,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca004da1e/50ecc8f283904caeb8a942f556ce48b9/FLAG98ccb0606 [2024-11-09 23:54:44,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca004da1e/50ecc8f283904caeb8a942f556ce48b9 [2024-11-09 23:54:44,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:54:44,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:54:44,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:54:44,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:54:44,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:54:44,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:44" (1/1) ... [2024-11-09 23:54:44,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7619ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:44, skipping insertion in model container [2024-11-09 23:54:44,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:44" (1/1) ... [2024-11-09 23:54:44,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:54:45,000 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.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2024-11-09 23:54:45,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:54:45,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:54:45,115 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.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2024-11-09 23:54:45,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:54:45,174 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:54:45,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45 WrapperNode [2024-11-09 23:54:45,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:54:45,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:54:45,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:54:45,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:54:45,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,241 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 866 [2024-11-09 23:54:45,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:54:45,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:54:45,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:54:45,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:54:45,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,283 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 23:54:45,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:54:45,354 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:54:45,354 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:54:45,354 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:54:45,355 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (1/1) ... [2024-11-09 23:54:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:54:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:54:45,410 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 23:54:45,416 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 23:54:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:54:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:54:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:54:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:54:45,630 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:54:45,632 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:54:46,525 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,525 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L962: havoc main_~node5____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:46,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:46,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:46,526 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:46,527 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L369: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L404: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L404: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L404: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L404: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L404: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:46,528 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1230: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L934: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L277: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L277: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L443: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L443: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L443: havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L675: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:54:46,529 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:54:46,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:54:46,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:54:46,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L478: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:54:46,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,531 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L214: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1274: havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:46,532 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1142: havoc main_~node5____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:46,533 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:46,533 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L287: havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,533 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,533 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L853: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L589: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,534 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,535 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,536 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,537 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,537 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,537 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,537 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,537 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,540 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:46,540 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1318: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:46,540 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1186: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:46,540 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:54:46,540 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L328: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:54:46,541 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L825: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:46,541 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L561: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:46,541 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:46,595 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-09 23:54:46,595 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:54:46,617 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:54:46,617 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:54:46,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:54:46 BoogieIcfgContainer [2024-11-09 23:54:46,617 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:54:46,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:54:46,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:54:46,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:54:46,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:54:44" (1/3) ... [2024-11-09 23:54:46,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c43322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:46, skipping insertion in model container [2024-11-09 23:54:46,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:45" (2/3) ... [2024-11-09 23:54:46,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c43322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:46, skipping insertion in model container [2024-11-09 23:54:46,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:54:46" (3/3) ... [2024-11-09 23:54:46,626 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-11-09 23:54:46,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:54:46,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:54:46,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:54:46,720 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;@45d4cbdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:54:46,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:54:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.68) internal successors, (378), 226 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 23:54:46,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:46,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:46,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:46,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1055624130, now seen corresponding path program 1 times [2024-11-09 23:54:46,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:46,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676079110] [2024-11-09 23:54:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:47,533 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 23:54:47,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:47,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676079110] [2024-11-09 23:54:47,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676079110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:47,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:47,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:54:47,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161306217] [2024-11-09 23:54:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:47,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:54:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:47,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:54:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:54:47,570 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.68) internal successors, (378), 226 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 23:54:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:47,882 INFO L93 Difference]: Finished difference Result 931 states and 1466 transitions. [2024-11-09 23:54:47,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:54:47,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-09 23:54:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:47,905 INFO L225 Difference]: With dead ends: 931 [2024-11-09 23:54:47,906 INFO L226 Difference]: Without dead ends: 803 [2024-11-09 23:54:47,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:54:47,915 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 2341 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 3150 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:47,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2341 Valid, 3150 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-09 23:54:47,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 350. [2024-11-09 23:54:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.475644699140401) internal successors, (515), 349 states have internal predecessors, (515), 0 states have call successors, (0), 0 states 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 23:54:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 515 transitions. [2024-11-09 23:54:47,995 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 515 transitions. Word has length 80 [2024-11-09 23:54:47,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:47,997 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 515 transitions. [2024-11-09 23:54:47,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 23:54:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 515 transitions. [2024-11-09 23:54:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 23:54:48,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:48,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:48,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:54:48,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:48,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash -811778658, now seen corresponding path program 1 times [2024-11-09 23:54:48,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:48,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149624937] [2024-11-09 23:54:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:48,400 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 23:54:48,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:48,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149624937] [2024-11-09 23:54:48,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149624937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:48,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:48,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:54:48,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320872314] [2024-11-09 23:54:48,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:48,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:54:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:48,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:54:48,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:54:48,404 INFO L87 Difference]: Start difference. First operand 350 states and 515 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 23:54:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:48,640 INFO L93 Difference]: Finished difference Result 1524 states and 2310 transitions. [2024-11-09 23:54:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:54:48,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-09 23:54:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:48,646 INFO L225 Difference]: With dead ends: 1524 [2024-11-09 23:54:48,646 INFO L226 Difference]: Without dead ends: 1254 [2024-11-09 23:54:48,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:54:48,653 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 1399 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:48,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 1182 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:54:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-09 23:54:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1246. [2024-11-09 23:54:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1245 states have (on average 1.5132530120481928) internal successors, (1884), 1245 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states 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 23:54:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1884 transitions. [2024-11-09 23:54:48,697 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1884 transitions. Word has length 82 [2024-11-09 23:54:48,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:48,697 INFO L471 AbstractCegarLoop]: Abstraction has 1246 states and 1884 transitions. [2024-11-09 23:54:48,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 23:54:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1884 transitions. [2024-11-09 23:54:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:48,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:48,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:48,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:54:48,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:48,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1170799054, now seen corresponding path program 1 times [2024-11-09 23:54:48,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:48,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297171840] [2024-11-09 23:54:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:48,850 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 23:54:48,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:48,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297171840] [2024-11-09 23:54:48,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297171840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:48,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:48,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966032495] [2024-11-09 23:54:48,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:48,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:48,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:48,852 INFO L87 Difference]: Start difference. First operand 1246 states and 1884 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:49,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:49,122 INFO L93 Difference]: Finished difference Result 3199 states and 4903 transitions. [2024-11-09 23:54:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:49,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 23:54:49,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:49,133 INFO L225 Difference]: With dead ends: 3199 [2024-11-09 23:54:49,133 INFO L226 Difference]: Without dead ends: 2098 [2024-11-09 23:54:49,135 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 23:54:49,136 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1175 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:49,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 327 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:54:49,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2024-11-09 23:54:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2096. [2024-11-09 23:54:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 2095 states have (on average 1.5250596658711217) internal successors, (3195), 2095 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states 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 23:54:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 3195 transitions. [2024-11-09 23:54:49,176 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 3195 transitions. Word has length 83 [2024-11-09 23:54:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:49,176 INFO L471 AbstractCegarLoop]: Abstraction has 2096 states and 3195 transitions. [2024-11-09 23:54:49,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 3195 transitions. [2024-11-09 23:54:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:49,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:49,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:49,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:54:49,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:49,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash 841465574, now seen corresponding path program 1 times [2024-11-09 23:54:49,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:49,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306428691] [2024-11-09 23:54:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:49,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:49,373 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 23:54:49,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306428691] [2024-11-09 23:54:49,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306428691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:49,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:49,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185617102] [2024-11-09 23:54:49,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:49,376 INFO L87 Difference]: Start difference. First operand 2096 states and 3195 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:49,644 INFO L93 Difference]: Finished difference Result 5791 states and 8896 transitions. [2024-11-09 23:54:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:49,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 23:54:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:49,659 INFO L225 Difference]: With dead ends: 5791 [2024-11-09 23:54:49,660 INFO L226 Difference]: Without dead ends: 3806 [2024-11-09 23:54:49,664 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 23:54:49,668 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1177 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:49,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 318 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:54:49,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2024-11-09 23:54:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3804. [2024-11-09 23:54:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 3803 states have (on average 1.5293189587168026) internal successors, (5816), 3803 states have internal predecessors, (5816), 0 states have call successors, (0), 0 states 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 23:54:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5816 transitions. [2024-11-09 23:54:49,749 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5816 transitions. Word has length 83 [2024-11-09 23:54:49,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:49,750 INFO L471 AbstractCegarLoop]: Abstraction has 3804 states and 5816 transitions. [2024-11-09 23:54:49,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5816 transitions. [2024-11-09 23:54:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:49,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:49,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:49,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:54:49,753 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:49,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:49,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1783350853, now seen corresponding path program 1 times [2024-11-09 23:54:49,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:49,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462855838] [2024-11-09 23:54:49,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:49,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:54:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:49,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462855838] [2024-11-09 23:54:49,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462855838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:49,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:49,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:49,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24609229] [2024-11-09 23:54:49,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:49,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:49,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:49,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:49,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:49,877 INFO L87 Difference]: Start difference. First operand 3804 states and 5816 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:50,215 INFO L93 Difference]: Finished difference Result 10987 states and 16873 transitions. [2024-11-09 23:54:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:50,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 23:54:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:50,242 INFO L225 Difference]: With dead ends: 10987 [2024-11-09 23:54:50,243 INFO L226 Difference]: Without dead ends: 7264 [2024-11-09 23:54:50,251 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 23:54:50,253 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1205 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:50,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 317 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7264 states. [2024-11-09 23:54:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7264 to 7262. [2024-11-09 23:54:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7262 states, 7261 states have (on average 1.5284396088693017) internal successors, (11098), 7261 states have internal predecessors, (11098), 0 states have call successors, (0), 0 states 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 23:54:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7262 states to 7262 states and 11098 transitions. [2024-11-09 23:54:50,419 INFO L78 Accepts]: Start accepts. Automaton has 7262 states and 11098 transitions. Word has length 83 [2024-11-09 23:54:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 7262 states and 11098 transitions. [2024-11-09 23:54:50,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7262 states and 11098 transitions. [2024-11-09 23:54:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:50,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:50,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:50,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:54:50,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:50,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 372064784, now seen corresponding path program 1 times [2024-11-09 23:54:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:50,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656167729] [2024-11-09 23:54:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:50,535 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 23:54:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:50,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656167729] [2024-11-09 23:54:50,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656167729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:50,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:50,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008190227] [2024-11-09 23:54:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:50,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:50,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:50,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:50,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:50,537 INFO L87 Difference]: Start difference. First operand 7262 states and 11098 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:50,837 INFO L93 Difference]: Finished difference Result 21422 states and 32818 transitions. [2024-11-09 23:54:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:50,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 23:54:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:50,981 INFO L225 Difference]: With dead ends: 21422 [2024-11-09 23:54:50,981 INFO L226 Difference]: Without dead ends: 14218 [2024-11-09 23:54:50,989 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 23:54:50,990 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1233 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:50,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 316 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:54:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14218 states. [2024-11-09 23:54:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14218 to 14216. [2024-11-09 23:54:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14216 states, 14215 states have (on average 1.523531480830109) internal successors, (21657), 14215 states have internal predecessors, (21657), 0 states have call successors, (0), 0 states 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 23:54:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14216 states to 14216 states and 21657 transitions. [2024-11-09 23:54:51,267 INFO L78 Accepts]: Start accepts. Automaton has 14216 states and 21657 transitions. Word has length 83 [2024-11-09 23:54:51,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:51,267 INFO L471 AbstractCegarLoop]: Abstraction has 14216 states and 21657 transitions. [2024-11-09 23:54:51,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14216 states and 21657 transitions. [2024-11-09 23:54:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:54:51,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:51,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:51,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:54:51,274 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:51,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash 663754725, now seen corresponding path program 1 times [2024-11-09 23:54:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:51,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80995091] [2024-11-09 23:54:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:51,518 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 23:54:51,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:51,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80995091] [2024-11-09 23:54:51,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80995091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:51,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:51,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017758687] [2024-11-09 23:54:51,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:51,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:51,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:51,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:51,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:51,521 INFO L87 Difference]: Start difference. First operand 14216 states and 21657 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:51,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:51,875 INFO L93 Difference]: Finished difference Result 42310 states and 64529 transitions. [2024-11-09 23:54:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:51,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 23:54:51,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:51,935 INFO L225 Difference]: With dead ends: 42310 [2024-11-09 23:54:51,935 INFO L226 Difference]: Without dead ends: 28136 [2024-11-09 23:54:51,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:54:51,965 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1261 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:51,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 316 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:54:51,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28136 states. [2024-11-09 23:54:52,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28136 to 28134. [2024-11-09 23:54:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28134 states, 28133 states have (on average 1.5151956776739062) internal successors, (42627), 28133 states have internal predecessors, (42627), 0 states have call successors, (0), 0 states 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 23:54:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28134 states to 28134 states and 42627 transitions. [2024-11-09 23:54:52,666 INFO L78 Accepts]: Start accepts. Automaton has 28134 states and 42627 transitions. Word has length 83 [2024-11-09 23:54:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:52,666 INFO L471 AbstractCegarLoop]: Abstraction has 28134 states and 42627 transitions. [2024-11-09 23:54:52,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 23:54:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28134 states and 42627 transitions. [2024-11-09 23:54:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:54:52,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:52,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:52,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:54:52,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:52,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1370444285, now seen corresponding path program 1 times [2024-11-09 23:54:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965891677] [2024-11-09 23:54:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:53,128 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 23:54:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965891677] [2024-11-09 23:54:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965891677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:53,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:54:53,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948636048] [2024-11-09 23:54:53,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:54:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:53,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:54:53,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:53,131 INFO L87 Difference]: Start difference. First operand 28134 states and 42627 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states 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 23:54:53,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:53,228 INFO L93 Difference]: Finished difference Result 29096 states and 43908 transitions. [2024-11-09 23:54:53,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:54:53,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2024-11-09 23:54:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:53,295 INFO L225 Difference]: With dead ends: 29096 [2024-11-09 23:54:53,296 INFO L226 Difference]: Without dead ends: 29094 [2024-11-09 23:54:53,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:54:53,311 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:53,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1210 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29094 states. [2024-11-09 23:54:53,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29094 to 29094. [2024-11-09 23:54:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29094 states, 29093 states have (on average 1.4981954422025916) internal successors, (43587), 29093 states have internal predecessors, (43587), 0 states have call successors, (0), 0 states 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 23:54:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 43587 transitions. [2024-11-09 23:54:53,816 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 43587 transitions. Word has length 84 [2024-11-09 23:54:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:53,817 INFO L471 AbstractCegarLoop]: Abstraction has 29094 states and 43587 transitions. [2024-11-09 23:54:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states 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 23:54:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 43587 transitions. [2024-11-09 23:54:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:54:53,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:53,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:53,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:54:53,825 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:53,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash -289470872, now seen corresponding path program 1 times [2024-11-09 23:54:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:53,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702058896] [2024-11-09 23:54:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:54,274 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 23:54:54,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:54,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702058896] [2024-11-09 23:54:54,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702058896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:54,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:54:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144262472] [2024-11-09 23:54:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:54,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:54:54,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:54,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:54:54,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:54:54,277 INFO L87 Difference]: Start difference. First operand 29094 states and 43587 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:54:55,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:55,036 INFO L93 Difference]: Finished difference Result 36233 states and 53904 transitions. [2024-11-09 23:54:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:54:55,036 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-09 23:54:55,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:55,110 INFO L225 Difference]: With dead ends: 36233 [2024-11-09 23:54:55,110 INFO L226 Difference]: Without dead ends: 32872 [2024-11-09 23:54:55,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:54:55,128 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 785 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:55,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 999 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:54:55,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32872 states. [2024-11-09 23:54:55,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32872 to 29094. [2024-11-09 23:54:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29094 states, 29093 states have (on average 1.4981610696731174) internal successors, (43586), 29093 states have internal predecessors, (43586), 0 states have call successors, (0), 0 states 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 23:54:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 43586 transitions. [2024-11-09 23:54:55,896 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 43586 transitions. Word has length 85 [2024-11-09 23:54:55,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:55,897 INFO L471 AbstractCegarLoop]: Abstraction has 29094 states and 43586 transitions. [2024-11-09 23:54:55,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:54:55,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 43586 transitions. [2024-11-09 23:54:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:54:55,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:55,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:55,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:54:55,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:55,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:55,907 INFO L85 PathProgramCache]: Analyzing trace with hash -800811223, now seen corresponding path program 1 times [2024-11-09 23:54:55,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:55,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199450919] [2024-11-09 23:54:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:55,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:56,321 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 23:54:56,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199450919] [2024-11-09 23:54:56,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199450919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:56,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:56,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:54:56,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950898028] [2024-11-09 23:54:56,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:56,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:54:56,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:56,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:54:56,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:54:56,323 INFO L87 Difference]: Start difference. First operand 29094 states and 43586 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:54:57,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:57,106 INFO L93 Difference]: Finished difference Result 46878 states and 69568 transitions. [2024-11-09 23:54:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:54:57,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-09 23:54:57,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:57,248 INFO L225 Difference]: With dead ends: 46878 [2024-11-09 23:54:57,248 INFO L226 Difference]: Without dead ends: 37308 [2024-11-09 23:54:57,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:54:57,264 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1502 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:57,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 1039 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:54:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37308 states. [2024-11-09 23:54:57,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37308 to 29550. [2024-11-09 23:54:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29550 states, 29549 states have (on average 1.4970388168804358) internal successors, (44236), 29549 states have internal predecessors, (44236), 0 states have call successors, (0), 0 states 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 23:54:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29550 states to 29550 states and 44236 transitions. [2024-11-09 23:54:57,850 INFO L78 Accepts]: Start accepts. Automaton has 29550 states and 44236 transitions. Word has length 85 [2024-11-09 23:54:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:57,850 INFO L471 AbstractCegarLoop]: Abstraction has 29550 states and 44236 transitions. [2024-11-09 23:54:57,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:54:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 29550 states and 44236 transitions. [2024-11-09 23:54:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:54:57,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:57,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:57,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:54:57,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:57,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 458366857, now seen corresponding path program 1 times [2024-11-09 23:54:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:57,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692665405] [2024-11-09 23:54:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:58,523 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 23:54:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:58,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692665405] [2024-11-09 23:54:58,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692665405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:58,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:58,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:54:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629279037] [2024-11-09 23:54:58,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:58,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:54:58,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:58,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:54:58,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:54:58,526 INFO L87 Difference]: Start difference. First operand 29550 states and 44236 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:54:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:59,357 INFO L93 Difference]: Finished difference Result 56022 states and 83219 transitions. [2024-11-09 23:54:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:54:59,358 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-09 23:54:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:59,522 INFO L225 Difference]: With dead ends: 56022 [2024-11-09 23:54:59,523 INFO L226 Difference]: Without dead ends: 40446 [2024-11-09 23:54:59,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:54:59,550 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1783 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:59,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 1121 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:54:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40446 states. [2024-11-09 23:55:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40446 to 30023. [2024-11-09 23:55:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30023 states, 30022 states have (on average 1.4941376324029045) internal successors, (44857), 30022 states have internal predecessors, (44857), 0 states have call successors, (0), 0 states 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 23:55:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30023 states to 30023 states and 44857 transitions. [2024-11-09 23:55:00,092 INFO L78 Accepts]: Start accepts. Automaton has 30023 states and 44857 transitions. Word has length 85 [2024-11-09 23:55:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:00,093 INFO L471 AbstractCegarLoop]: Abstraction has 30023 states and 44857 transitions. [2024-11-09 23:55:00,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:55:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 30023 states and 44857 transitions. [2024-11-09 23:55:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:55:00,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:00,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:00,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:55:00,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:00,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:00,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1717274647, now seen corresponding path program 1 times [2024-11-09 23:55:00,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:00,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961698428] [2024-11-09 23:55:00,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:00,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:00,661 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 23:55:00,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961698428] [2024-11-09 23:55:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961698428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:00,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:00,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:55:00,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976436610] [2024-11-09 23:55:00,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:00,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:55:00,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:00,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:55:00,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:55:00,664 INFO L87 Difference]: Start difference. First operand 30023 states and 44857 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:55:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:01,596 INFO L93 Difference]: Finished difference Result 65184 states and 96725 transitions. [2024-11-09 23:55:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:55:01,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-09 23:55:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:01,652 INFO L225 Difference]: With dead ends: 65184 [2024-11-09 23:55:01,652 INFO L226 Difference]: Without dead ends: 43929 [2024-11-09 23:55:01,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:55:01,680 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1828 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:01,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 1120 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:55:01,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43929 states. [2024-11-09 23:55:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43929 to 30493. [2024-11-09 23:55:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30493 states, 30492 states have (on average 1.4905221041584678) internal successors, (45449), 30492 states have internal predecessors, (45449), 0 states have call successors, (0), 0 states 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 23:55:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30493 states to 30493 states and 45449 transitions. [2024-11-09 23:55:02,366 INFO L78 Accepts]: Start accepts. Automaton has 30493 states and 45449 transitions. Word has length 85 [2024-11-09 23:55:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:02,367 INFO L471 AbstractCegarLoop]: Abstraction has 30493 states and 45449 transitions. [2024-11-09 23:55:02,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:55:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 30493 states and 45449 transitions. [2024-11-09 23:55:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:55:02,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:02,377 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:02,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:55:02,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:02,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:02,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2085855305, now seen corresponding path program 1 times [2024-11-09 23:55:02,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:02,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737102505] [2024-11-09 23:55:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:02,719 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 23:55:02,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:02,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737102505] [2024-11-09 23:55:02,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737102505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:02,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:02,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:55:02,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301298383] [2024-11-09 23:55:02,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:02,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:55:02,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:02,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:55:02,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:55:02,722 INFO L87 Difference]: Start difference. First operand 30493 states and 45449 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:55:03,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:03,768 INFO L93 Difference]: Finished difference Result 75522 states and 112066 transitions. [2024-11-09 23:55:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:55:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-09 23:55:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:03,821 INFO L225 Difference]: With dead ends: 75522 [2024-11-09 23:55:03,821 INFO L226 Difference]: Without dead ends: 46648 [2024-11-09 23:55:03,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:55:03,853 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 1347 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:03,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1743 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:55:03,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46648 states. [2024-11-09 23:55:04,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46648 to 30897. [2024-11-09 23:55:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30897 states, 30896 states have (on average 1.4857910409114448) internal successors, (45905), 30896 states have internal predecessors, (45905), 0 states have call successors, (0), 0 states 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 23:55:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30897 states to 30897 states and 45905 transitions. [2024-11-09 23:55:04,513 INFO L78 Accepts]: Start accepts. Automaton has 30897 states and 45905 transitions. Word has length 85 [2024-11-09 23:55:04,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:04,514 INFO L471 AbstractCegarLoop]: Abstraction has 30897 states and 45905 transitions. [2024-11-09 23:55:04,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states 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 23:55:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 30897 states and 45905 transitions. [2024-11-09 23:55:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:04,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:04,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:04,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:55:04,526 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:04,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:04,527 INFO L85 PathProgramCache]: Analyzing trace with hash -768474094, now seen corresponding path program 1 times [2024-11-09 23:55:04,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:04,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39340289] [2024-11-09 23:55:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:04,730 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 23:55:04,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:04,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39340289] [2024-11-09 23:55:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39340289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095233682] [2024-11-09 23:55:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:55:04,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:55:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:55:04,733 INFO L87 Difference]: Start difference. First operand 30897 states and 45905 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:05,074 INFO L93 Difference]: Finished difference Result 83285 states and 124371 transitions. [2024-11-09 23:55:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:05,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:05,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:05,139 INFO L225 Difference]: With dead ends: 83285 [2024-11-09 23:55:05,140 INFO L226 Difference]: Without dead ends: 55123 [2024-11-09 23:55:05,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:05,170 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 213 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:05,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 761 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:05,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55123 states. [2024-11-09 23:55:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55123 to 54817. [2024-11-09 23:55:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54817 states, 54816 states have (on average 1.4810456800934033) internal successors, (81185), 54816 states have internal predecessors, (81185), 0 states have call successors, (0), 0 states 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 23:55:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54817 states to 54817 states and 81185 transitions. [2024-11-09 23:55:05,851 INFO L78 Accepts]: Start accepts. Automaton has 54817 states and 81185 transitions. Word has length 86 [2024-11-09 23:55:05,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:05,851 INFO L471 AbstractCegarLoop]: Abstraction has 54817 states and 81185 transitions. [2024-11-09 23:55:05,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54817 states and 81185 transitions. [2024-11-09 23:55:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:05,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:05,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:05,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:55:05,860 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:05,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:05,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1345059012, now seen corresponding path program 1 times [2024-11-09 23:55:05,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:05,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584015881] [2024-11-09 23:55:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:05,925 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 23:55:05,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:05,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584015881] [2024-11-09 23:55:05,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584015881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:05,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:05,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:05,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663958511] [2024-11-09 23:55:05,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:05,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:05,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:05,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:05,927 INFO L87 Difference]: Start difference. First operand 54817 states and 81185 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:06,716 INFO L93 Difference]: Finished difference Result 140867 states and 209024 transitions. [2024-11-09 23:55:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:06,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:06,863 INFO L225 Difference]: With dead ends: 140867 [2024-11-09 23:55:06,863 INFO L226 Difference]: Without dead ends: 94758 [2024-11-09 23:55:06,887 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 23:55:06,888 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 222 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:06,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 588 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94758 states. [2024-11-09 23:55:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94758 to 94628. [2024-11-09 23:55:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94628 states, 94627 states have (on average 1.4758367062254958) internal successors, (139654), 94627 states have internal predecessors, (139654), 0 states have call successors, (0), 0 states 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 23:55:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94628 states to 94628 states and 139654 transitions. [2024-11-09 23:55:08,183 INFO L78 Accepts]: Start accepts. Automaton has 94628 states and 139654 transitions. Word has length 86 [2024-11-09 23:55:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:08,183 INFO L471 AbstractCegarLoop]: Abstraction has 94628 states and 139654 transitions. [2024-11-09 23:55:08,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94628 states and 139654 transitions. [2024-11-09 23:55:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:08,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:08,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:08,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:55:08,199 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:08,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:08,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1591573749, now seen corresponding path program 1 times [2024-11-09 23:55:08,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:08,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294495318] [2024-11-09 23:55:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:08,268 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 23:55:08,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:08,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294495318] [2024-11-09 23:55:08,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294495318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:08,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:08,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:08,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062491882] [2024-11-09 23:55:08,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:08,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:08,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:08,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:08,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:08,271 INFO L87 Difference]: Start difference. First operand 94628 states and 139654 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:09,024 INFO L93 Difference]: Finished difference Result 127866 states and 188368 transitions. [2024-11-09 23:55:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:09,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:09,151 INFO L225 Difference]: With dead ends: 127866 [2024-11-09 23:55:09,151 INFO L226 Difference]: Without dead ends: 103780 [2024-11-09 23:55:09,193 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 23:55:09,193 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 185 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:09,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 704 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103780 states. [2024-11-09 23:55:10,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103780 to 92890. [2024-11-09 23:55:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92890 states, 92889 states have (on average 1.4571370129940036) internal successors, (135352), 92889 states have internal predecessors, (135352), 0 states have call successors, (0), 0 states 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 23:55:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92890 states to 92890 states and 135352 transitions. [2024-11-09 23:55:10,422 INFO L78 Accepts]: Start accepts. Automaton has 92890 states and 135352 transitions. Word has length 86 [2024-11-09 23:55:10,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:10,423 INFO L471 AbstractCegarLoop]: Abstraction has 92890 states and 135352 transitions. [2024-11-09 23:55:10,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 92890 states and 135352 transitions. [2024-11-09 23:55:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:10,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:10,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:10,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:55:10,431 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:10,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:10,432 INFO L85 PathProgramCache]: Analyzing trace with hash -74696812, now seen corresponding path program 1 times [2024-11-09 23:55:10,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:10,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536678414] [2024-11-09 23:55:10,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:10,497 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 23:55:10,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:10,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536678414] [2024-11-09 23:55:10,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536678414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:10,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:10,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363538398] [2024-11-09 23:55:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:10,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:10,499 INFO L87 Difference]: Start difference. First operand 92890 states and 135352 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:11,387 INFO L93 Difference]: Finished difference Result 149105 states and 217469 transitions. [2024-11-09 23:55:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:11,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:11,533 INFO L225 Difference]: With dead ends: 149105 [2024-11-09 23:55:11,533 INFO L226 Difference]: Without dead ends: 105177 [2024-11-09 23:55:11,585 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 23:55:11,585 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 190 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:11,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 634 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:11,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105177 states. [2024-11-09 23:55:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105177 to 104223. [2024-11-09 23:55:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104223 states, 104222 states have (on average 1.4384678858590316) internal successors, (149920), 104222 states have internal predecessors, (149920), 0 states have call successors, (0), 0 states 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 23:55:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104223 states to 104223 states and 149920 transitions. [2024-11-09 23:55:13,326 INFO L78 Accepts]: Start accepts. Automaton has 104223 states and 149920 transitions. Word has length 86 [2024-11-09 23:55:13,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:13,326 INFO L471 AbstractCegarLoop]: Abstraction has 104223 states and 149920 transitions. [2024-11-09 23:55:13,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 104223 states and 149920 transitions. [2024-11-09 23:55:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:13,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:13,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:13,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:55:13,336 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:13,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:13,337 INFO L85 PathProgramCache]: Analyzing trace with hash 471291875, now seen corresponding path program 1 times [2024-11-09 23:55:13,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:13,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244713528] [2024-11-09 23:55:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:13,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:13,912 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 23:55:13,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:13,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244713528] [2024-11-09 23:55:13,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244713528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:13,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:13,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:13,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126691534] [2024-11-09 23:55:13,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:13,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:13,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:13,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:13,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:13,918 INFO L87 Difference]: Start difference. First operand 104223 states and 149920 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:14,385 INFO L93 Difference]: Finished difference Result 200095 states and 287890 transitions. [2024-11-09 23:55:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:14,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:14,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:14,545 INFO L225 Difference]: With dead ends: 200095 [2024-11-09 23:55:14,546 INFO L226 Difference]: Without dead ends: 124261 [2024-11-09 23:55:14,623 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 23:55:14,624 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 200 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:14,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 585 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124261 states. [2024-11-09 23:55:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124261 to 123211. [2024-11-09 23:55:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123211 states, 123210 states have (on average 1.4165002840678516) internal successors, (174527), 123210 states have internal predecessors, (174527), 0 states have call successors, (0), 0 states 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 23:55:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123211 states to 123211 states and 174527 transitions. [2024-11-09 23:55:16,832 INFO L78 Accepts]: Start accepts. Automaton has 123211 states and 174527 transitions. Word has length 86 [2024-11-09 23:55:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:16,832 INFO L471 AbstractCegarLoop]: Abstraction has 123211 states and 174527 transitions. [2024-11-09 23:55:16,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 123211 states and 174527 transitions. [2024-11-09 23:55:16,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:16,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:16,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:16,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:55:16,840 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:16,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1950962284, now seen corresponding path program 1 times [2024-11-09 23:55:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:16,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329702185] [2024-11-09 23:55:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:16,895 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 23:55:16,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:16,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329702185] [2024-11-09 23:55:16,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329702185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:16,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:16,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:16,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357184944] [2024-11-09 23:55:16,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:16,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:16,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:16,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:16,898 INFO L87 Difference]: Start difference. First operand 123211 states and 174527 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:17,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:17,476 INFO L93 Difference]: Finished difference Result 261031 states and 369021 transitions. [2024-11-09 23:55:17,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:17,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-09 23:55:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:17,665 INFO L225 Difference]: With dead ends: 261031 [2024-11-09 23:55:17,665 INFO L226 Difference]: Without dead ends: 147769 [2024-11-09 23:55:17,757 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 23:55:17,758 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 210 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:17,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 582 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147769 states. [2024-11-09 23:55:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147769 to 146831. [2024-11-09 23:55:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146831 states, 146830 states have (on average 1.390165497514132) internal successors, (204118), 146830 states have internal predecessors, (204118), 0 states have call successors, (0), 0 states 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 23:55:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146831 states to 146831 states and 204118 transitions. [2024-11-09 23:55:20,475 INFO L78 Accepts]: Start accepts. Automaton has 146831 states and 204118 transitions. Word has length 86 [2024-11-09 23:55:20,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:20,475 INFO L471 AbstractCegarLoop]: Abstraction has 146831 states and 204118 transitions. [2024-11-09 23:55:20,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 23:55:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 146831 states and 204118 transitions. [2024-11-09 23:55:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:20,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:20,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:20,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:55:20,482 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:20,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:20,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1700942548, now seen corresponding path program 1 times [2024-11-09 23:55:20,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:20,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479081354] [2024-11-09 23:55:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:20,644 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 23:55:20,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:20,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479081354] [2024-11-09 23:55:20,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479081354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:20,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:20,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:20,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203615538] [2024-11-09 23:55:20,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:20,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:20,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:20,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:20,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:20,646 INFO L87 Difference]: Start difference. First operand 146831 states and 204118 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 23:55:22,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:22,115 INFO L93 Difference]: Finished difference Result 315697 states and 441737 transitions. [2024-11-09 23:55:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:22,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-09 23:55:22,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:22,599 INFO L225 Difference]: With dead ends: 315697 [2024-11-09 23:55:22,600 INFO L226 Difference]: Without dead ends: 300116 [2024-11-09 23:55:22,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:55:22,695 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 2110 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:22,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 1659 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:55:22,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300116 states. [2024-11-09 23:55:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300116 to 162194. [2024-11-09 23:55:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162194 states, 162193 states have (on average 1.3901648036598373) internal successors, (225475), 162193 states have internal predecessors, (225475), 0 states have call successors, (0), 0 states 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 23:55:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162194 states to 162194 states and 225475 transitions. [2024-11-09 23:55:26,898 INFO L78 Accepts]: Start accepts. Automaton has 162194 states and 225475 transitions. Word has length 87 [2024-11-09 23:55:26,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:26,899 INFO L471 AbstractCegarLoop]: Abstraction has 162194 states and 225475 transitions. [2024-11-09 23:55:26,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 23:55:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 162194 states and 225475 transitions. [2024-11-09 23:55:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:26,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:26,908 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:26,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:55:26,909 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:26,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:26,909 INFO L85 PathProgramCache]: Analyzing trace with hash 776531284, now seen corresponding path program 1 times [2024-11-09 23:55:26,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:26,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695958810] [2024-11-09 23:55:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:26,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:27,050 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 23:55:27,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:27,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695958810] [2024-11-09 23:55:27,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695958810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:27,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:27,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:27,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605566609] [2024-11-09 23:55:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:27,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:27,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:27,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:27,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:27,052 INFO L87 Difference]: Start difference. First operand 162194 states and 225475 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 23:55:28,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:28,655 INFO L93 Difference]: Finished difference Result 349864 states and 489506 transitions. [2024-11-09 23:55:28,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:28,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-09 23:55:28,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:29,299 INFO L225 Difference]: With dead ends: 349864 [2024-11-09 23:55:29,299 INFO L226 Difference]: Without dead ends: 315191 [2024-11-09 23:55:29,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:55:29,386 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 1874 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:29,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 1816 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:55:29,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315191 states. [2024-11-09 23:55:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315191 to 196501. [2024-11-09 23:55:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196501 states, 196500 states have (on average 1.389944020356234) internal successors, (273124), 196500 states have internal predecessors, (273124), 0 states have call successors, (0), 0 states 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 23:55:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196501 states to 196501 states and 273124 transitions. [2024-11-09 23:55:32,851 INFO L78 Accepts]: Start accepts. Automaton has 196501 states and 273124 transitions. Word has length 87 [2024-11-09 23:55:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:32,851 INFO L471 AbstractCegarLoop]: Abstraction has 196501 states and 273124 transitions. [2024-11-09 23:55:32,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 23:55:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 196501 states and 273124 transitions. [2024-11-09 23:55:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:33,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:33,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:33,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:55:33,449 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:33,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:33,453 INFO L85 PathProgramCache]: Analyzing trace with hash -686560306, now seen corresponding path program 1 times [2024-11-09 23:55:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:33,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299972574] [2024-11-09 23:55:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:33,774 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 23:55:33,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299972574] [2024-11-09 23:55:33,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299972574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:33,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:33,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:33,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536440027] [2024-11-09 23:55:33,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:33,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:33,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:33,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:33,776 INFO L87 Difference]: Start difference. First operand 196501 states and 273124 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 23:55:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:34,835 INFO L93 Difference]: Finished difference Result 402200 states and 562589 transitions. [2024-11-09 23:55:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:34,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-09 23:55:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:35,400 INFO L225 Difference]: With dead ends: 402200 [2024-11-09 23:55:35,400 INFO L226 Difference]: Without dead ends: 349155 [2024-11-09 23:55:35,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:55:35,532 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 1870 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:35,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 1888 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]