./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 169d16a82e2efb21b41720aab8fadcf5ecf67324651e69e91d6cb4f921e3dcd4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:54:48,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:54:48,387 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:54:48,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:54:48,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:54:48,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:54:48,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:54:48,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:54:48,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:54:48,427 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:54:48,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:54:48,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:54:48,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:54:48,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:54:48,429 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:54:48,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:54:48,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:54:48,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:54:48,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:54:48,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:54:48,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:54:48,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:54:48,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:54:48,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:54:48,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:54:48,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:54:48,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:54:48,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:54:48,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:54:48,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:54:48,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:54:48,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:54:48,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:54:48,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:54:48,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:54:48,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:54:48,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:54:48,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:54:48,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:54:48,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:54:48,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:54:48,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:54:48,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 169d16a82e2efb21b41720aab8fadcf5ecf67324651e69e91d6cb4f921e3dcd4 [2024-11-09 23:54:48,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:54:48,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:54:48,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:54:48,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:54:48,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:54:48,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-11-09 23:54:50,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:54:50,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:54:50,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-11-09 23:54:50,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c47d6d65/caf9e91ab0c44da9a03cc42f8602e56b/FLAG091d9d986 [2024-11-09 23:54:50,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c47d6d65/caf9e91ab0c44da9a03cc42f8602e56b [2024-11-09 23:54:50,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:54:50,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:54:50,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:54:50,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:54:50,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:54:50,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:50" (1/1) ... [2024-11-09 23:54:50,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef781d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:50, skipping insertion in model container [2024-11-09 23:54:50,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:50" (1/1) ... [2024-11-09 23:54:50,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:54:51,126 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.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[13215,13228] [2024-11-09 23:54:51,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:54:51,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:54:51,318 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.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[13215,13228] [2024-11-09 23:54:51,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:54:51,404 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:54:51,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51 WrapperNode [2024-11-09 23:54:51,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:54:51,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:54:51,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:54:51,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:54:51,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,500 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1437 [2024-11-09 23:54:51,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:54:51,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:54:51,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:54:51,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:54:51,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,544 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 23:54:51,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:54:51,591 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:54:51,592 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:54:51,592 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:54:51,593 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (1/1) ... [2024-11-09 23:54:51,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:54:51,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:54:51,627 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 23:54:51,634 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 23:54:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:54:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:54:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:54:51,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:54:51,901 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:54:51,905 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:54:53,202 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1225: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:53,202 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1425: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:53,202 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L303: havoc main_~node5__m5~0#1;havoc main_~node4__m4~0#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L303: havoc main_~node5__m5~0#1;havoc main_~node4__m4~0#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L303: havoc main_~node5__m5~0#1;havoc main_~node4__m4~0#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L303: havoc main_~node5__m5~0#1;havoc main_~node4__m4~0#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2087: havoc main_~node5____CPAchecker_TMP_0~3#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L965: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2287: havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-09 23:54:53,203 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L907: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1569: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1770: havoc main_~node4____CPAchecker_TMP_1~2#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2431: havoc main_~node1____CPAchecker_TMP_0~3#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1311: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1; [2024-11-09 23:54:53,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1511: havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:54:53,205 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2173: havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1051: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2373: havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:53,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1253: havoc main_~node5____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1914: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L793: havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc main_~node5____CPAchecker_TMP_1~3#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L993: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc main_~node3__m3~0#1;havoc main_~node2__m2~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc main_~node3__m3~0#1;havoc main_~node2__m2~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc main_~node3__m3~0#1;havoc main_~node2__m2~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc main_~node3__m3~0#1;havoc main_~node2__m2~0#1; [2024-11-09 23:54:53,207 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1656: havoc main_~node5____CPAchecker_TMP_0~2#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1856: havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1397: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2259: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1137: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1339: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:54:53,208 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2000: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L614: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L614: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L614: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L879: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2201: havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L484: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L484: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:53,209 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L484: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1079: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1742: havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5__m5~3#1;havoc main_~node4__m4~3#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5__m5~3#1;havoc main_~node4__m4~3#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5__m5~3#1;havoc main_~node4__m4~3#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5__m5~3#1;havoc main_~node4__m4~3#1; [2024-11-09 23:54:53,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L357: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L357: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L357: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L821: havoc main_~node5____CPAchecker_TMP_1~0#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node5__m5~2#1;havoc main_~node4__m4~2#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1483: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:54:53,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,212 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,212 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,212 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,212 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,213 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,214 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,215 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,217 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1684: havoc main_~node5____CPAchecker_TMP_1~2#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2345: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:53,218 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:54:53,308 INFO L? ?]: Removed 190 outVars from TransFormulas that were not future-live. [2024-11-09 23:54:53,309 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:54:53,344 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:54:53,348 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:54:53,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:54:53 BoogieIcfgContainer [2024-11-09 23:54:53,349 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:54:53,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:54:53,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:54:53,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:54:53,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:54:50" (1/3) ... [2024-11-09 23:54:53,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba1c82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:53, skipping insertion in model container [2024-11-09 23:54:53,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:51" (2/3) ... [2024-11-09 23:54:53,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba1c82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:53, skipping insertion in model container [2024-11-09 23:54:53,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:54:53" (3/3) ... [2024-11-09 23:54:53,360 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-11-09 23:54:53,378 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:54:53,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:54:53,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:54:53,463 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;@4f0433fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:54:53,464 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:54:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 462 states, 460 states have (on average 1.5695652173913044) internal successors, (722), 461 states have internal predecessors, (722), 0 states have call successors, (0), 0 states 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 23:54:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 23:54:53,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:53,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:53,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1698626230, now seen corresponding path program 1 times [2024-11-09 23:54:53,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:53,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027593680] [2024-11-09 23:54:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:54,103 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 23:54:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027593680] [2024-11-09 23:54:54,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027593680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:54,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:54,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:54:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485115771] [2024-11-09 23:54:54,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:54,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:54:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:54,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:54:54,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:54:54,147 INFO L87 Difference]: Start difference. First operand has 462 states, 460 states have (on average 1.5695652173913044) internal successors, (722), 461 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 23:54:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:54,334 INFO L93 Difference]: Finished difference Result 890 states and 1378 transitions. [2024-11-09 23:54:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:54:54,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-11-09 23:54:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:54,351 INFO L225 Difference]: With dead ends: 890 [2024-11-09 23:54:54,352 INFO L226 Difference]: Without dead ends: 458 [2024-11-09 23:54:54,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:54:54,364 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 183 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:54,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1948 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:54,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-09 23:54:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-11-09 23:54:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 457 states have (on average 1.4835886214442013) internal successors, (678), 457 states have internal predecessors, (678), 0 states have call successors, (0), 0 states 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 23:54:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 678 transitions. [2024-11-09 23:54:54,436 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 678 transitions. Word has length 103 [2024-11-09 23:54:54,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:54,436 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 678 transitions. [2024-11-09 23:54:54,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 23:54:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 678 transitions. [2024-11-09 23:54:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 23:54:54,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:54,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:54,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:54:54,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:54,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1219688949, now seen corresponding path program 1 times [2024-11-09 23:54:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102994429] [2024-11-09 23:54:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:54,654 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 23:54:54,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:54,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102994429] [2024-11-09 23:54:54,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102994429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:54,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:54,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:54,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215280936] [2024-11-09 23:54:54,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:54,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:54,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:54,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:54,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:54,658 INFO L87 Difference]: Start difference. First operand 458 states and 678 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 23:54:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:54,718 INFO L93 Difference]: Finished difference Result 1043 states and 1590 transitions. [2024-11-09 23:54:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:54,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-09 23:54:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:54,724 INFO L225 Difference]: With dead ends: 1043 [2024-11-09 23:54:54,724 INFO L226 Difference]: Without dead ends: 679 [2024-11-09 23:54:54,727 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 23:54:54,728 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 434 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:54,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1172 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:54,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-09 23:54:54,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 677. [2024-11-09 23:54:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 676 states have (on average 1.5044378698224852) internal successors, (1017), 676 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states 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 23:54:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1017 transitions. [2024-11-09 23:54:54,756 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1017 transitions. Word has length 165 [2024-11-09 23:54:54,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:54,757 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 1017 transitions. [2024-11-09 23:54:54,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 23:54:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1017 transitions. [2024-11-09 23:54:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 23:54:54,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:54,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:54,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:54:54,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:54,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:54,761 INFO L85 PathProgramCache]: Analyzing trace with hash 2092122123, now seen corresponding path program 1 times [2024-11-09 23:54:54,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:54,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733134668] [2024-11-09 23:54:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:54,961 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 23:54:54,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:54,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733134668] [2024-11-09 23:54:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733134668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:54,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:54,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:54,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215001599] [2024-11-09 23:54:54,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:54,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:54,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:54,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:54,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:54,966 INFO L87 Difference]: Start difference. First operand 677 states and 1017 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states 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 23:54:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:55,021 INFO L93 Difference]: Finished difference Result 1621 states and 2485 transitions. [2024-11-09 23:54:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:55,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-09 23:54:55,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:55,027 INFO L225 Difference]: With dead ends: 1621 [2024-11-09 23:54:55,027 INFO L226 Difference]: Without dead ends: 1051 [2024-11-09 23:54:55,028 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 23:54:55,030 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 418 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:55,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1135 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-09 23:54:55,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1049. [2024-11-09 23:54:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1048 states have (on average 1.5171755725190839) internal successors, (1590), 1048 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states 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 23:54:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1590 transitions. [2024-11-09 23:54:55,059 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1590 transitions. Word has length 167 [2024-11-09 23:54:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:55,060 INFO L471 AbstractCegarLoop]: Abstraction has 1049 states and 1590 transitions. [2024-11-09 23:54:55,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states 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 23:54:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1590 transitions. [2024-11-09 23:54:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 23:54:55,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:55,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:55,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:54:55,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:55,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash 933023319, now seen corresponding path program 1 times [2024-11-09 23:54:55,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:55,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530172080] [2024-11-09 23:54:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:55,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:55,221 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 23:54:55,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:55,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530172080] [2024-11-09 23:54:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530172080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:55,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:55,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906032580] [2024-11-09 23:54:55,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:55,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:55,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:55,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:55,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:55,225 INFO L87 Difference]: Start difference. First operand 1049 states and 1590 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:55,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:55,274 INFO L93 Difference]: Finished difference Result 2586 states and 3968 transitions. [2024-11-09 23:54:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2024-11-09 23:54:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:55,282 INFO L225 Difference]: With dead ends: 2586 [2024-11-09 23:54:55,282 INFO L226 Difference]: Without dead ends: 1657 [2024-11-09 23:54:55,284 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 23:54:55,285 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 402 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:55,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1098 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:55,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-11-09 23:54:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1655. [2024-11-09 23:54:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1654 states have (on average 1.5205562273276905) internal successors, (2515), 1654 states have internal predecessors, (2515), 0 states have call successors, (0), 0 states 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 23:54:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2515 transitions. [2024-11-09 23:54:55,324 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2515 transitions. Word has length 169 [2024-11-09 23:54:55,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:55,325 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2515 transitions. [2024-11-09 23:54:55,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2515 transitions. [2024-11-09 23:54:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 23:54:55,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:55,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:55,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:54:55,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:55,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1631357301, now seen corresponding path program 1 times [2024-11-09 23:54:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:55,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024152714] [2024-11-09 23:54:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:55,430 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 23:54:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:55,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024152714] [2024-11-09 23:54:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024152714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:55,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244093239] [2024-11-09 23:54:55,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:55,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:55,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:55,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:55,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:55,433 INFO L87 Difference]: Start difference. First operand 1655 states and 2515 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:55,487 INFO L93 Difference]: Finished difference Result 4109 states and 6279 transitions. [2024-11-09 23:54:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:55,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2024-11-09 23:54:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:55,498 INFO L225 Difference]: With dead ends: 4109 [2024-11-09 23:54:55,498 INFO L226 Difference]: Without dead ends: 2587 [2024-11-09 23:54:55,502 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 23:54:55,503 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 386 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:55,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1061 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2024-11-09 23:54:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2585. [2024-11-09 23:54:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2584 states have (on average 1.5139318885448916) internal successors, (3912), 2584 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states 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 23:54:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3912 transitions. [2024-11-09 23:54:55,561 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3912 transitions. Word has length 171 [2024-11-09 23:54:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:55,562 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3912 transitions. [2024-11-09 23:54:55,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3912 transitions. [2024-11-09 23:54:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 23:54:55,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:55,569 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:55,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:54:55,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:55,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash 713660579, now seen corresponding path program 1 times [2024-11-09 23:54:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:55,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910408218] [2024-11-09 23:54:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:55,828 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 23:54:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910408218] [2024-11-09 23:54:55,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910408218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:55,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:55,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:54:55,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635966062] [2024-11-09 23:54:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:55,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:54:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:54:55,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:54:55,832 INFO L87 Difference]: Start difference. First operand 2585 states and 3912 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:56,296 INFO L93 Difference]: Finished difference Result 15108 states and 22933 transitions. [2024-11-09 23:54:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:54:56,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2024-11-09 23:54:56,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:56,345 INFO L225 Difference]: With dead ends: 15108 [2024-11-09 23:54:56,346 INFO L226 Difference]: Without dead ends: 12660 [2024-11-09 23:54:56,357 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 23:54:56,359 INFO L432 NwaCegarLoop]: 1037 mSDtfsCounter, 4792 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4792 SdHoareTripleChecker+Valid, 6385 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:56,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4792 Valid, 6385 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:54:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12660 states. [2024-11-09 23:54:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12660 to 5089. [2024-11-09 23:54:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 5088 states have (on average 1.5011792452830188) internal successors, (7638), 5088 states have internal predecessors, (7638), 0 states have call successors, (0), 0 states 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 23:54:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 7638 transitions. [2024-11-09 23:54:56,615 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 7638 transitions. Word has length 173 [2024-11-09 23:54:56,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:56,615 INFO L471 AbstractCegarLoop]: Abstraction has 5089 states and 7638 transitions. [2024-11-09 23:54:56,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 7638 transitions. [2024-11-09 23:54:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-09 23:54:56,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:56,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:56,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:54:56,630 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:56,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:56,631 INFO L85 PathProgramCache]: Analyzing trace with hash -521029543, now seen corresponding path program 1 times [2024-11-09 23:54:56,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:56,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754577833] [2024-11-09 23:54:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:56,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:56,762 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 23:54:56,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:56,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754577833] [2024-11-09 23:54:56,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754577833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:56,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:56,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:56,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402036566] [2024-11-09 23:54:56,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:56,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:56,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:56,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:56,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:56,768 INFO L87 Difference]: Start difference. First operand 5089 states and 7638 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:56,860 INFO L93 Difference]: Finished difference Result 14035 states and 21063 transitions. [2024-11-09 23:54:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:56,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2024-11-09 23:54:56,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:56,925 INFO L225 Difference]: With dead ends: 14035 [2024-11-09 23:54:56,925 INFO L226 Difference]: Without dead ends: 9021 [2024-11-09 23:54:56,931 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 23:54:56,932 INFO L432 NwaCegarLoop]: 883 mSDtfsCounter, 429 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:56,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1395 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2024-11-09 23:54:57,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 9019. [2024-11-09 23:54:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9019 states, 9018 states have (on average 1.4901308494122865) internal successors, (13438), 9018 states have internal predecessors, (13438), 0 states have call successors, (0), 0 states 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 23:54:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9019 states to 9019 states and 13438 transitions. [2024-11-09 23:54:57,135 INFO L78 Accepts]: Start accepts. Automaton has 9019 states and 13438 transitions. Word has length 177 [2024-11-09 23:54:57,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:57,135 INFO L471 AbstractCegarLoop]: Abstraction has 9019 states and 13438 transitions. [2024-11-09 23:54:57,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 9019 states and 13438 transitions. [2024-11-09 23:54:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:54:57,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:57,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:57,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:54:57,155 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:57,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1931702070, now seen corresponding path program 1 times [2024-11-09 23:54:57,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:57,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506079801] [2024-11-09 23:54:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:57,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:57,264 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 23:54:57,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506079801] [2024-11-09 23:54:57,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506079801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:57,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:57,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563900683] [2024-11-09 23:54:57,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:57,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:57,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:57,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:57,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:57,266 INFO L87 Difference]: Start difference. First operand 9019 states and 13438 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:57,446 INFO L93 Difference]: Finished difference Result 26304 states and 39215 transitions. [2024-11-09 23:54:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:57,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-09 23:54:57,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:57,485 INFO L225 Difference]: With dead ends: 26304 [2024-11-09 23:54:57,486 INFO L226 Difference]: Without dead ends: 17424 [2024-11-09 23:54:57,498 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 23:54:57,499 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 475 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:57,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1219 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:54:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17424 states. [2024-11-09 23:54:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17424 to 17422. [2024-11-09 23:54:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17422 states, 17421 states have (on average 1.4820618793410252) internal successors, (25819), 17421 states have internal predecessors, (25819), 0 states have call successors, (0), 0 states 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 23:54:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17422 states to 17422 states and 25819 transitions. [2024-11-09 23:54:57,905 INFO L78 Accepts]: Start accepts. Automaton has 17422 states and 25819 transitions. Word has length 179 [2024-11-09 23:54:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:57,905 INFO L471 AbstractCegarLoop]: Abstraction has 17422 states and 25819 transitions. [2024-11-09 23:54:57,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17422 states and 25819 transitions. [2024-11-09 23:54:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:54:57,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:57,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:57,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:54:57,939 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:57,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:57,939 INFO L85 PathProgramCache]: Analyzing trace with hash 955604267, now seen corresponding path program 1 times [2024-11-09 23:54:57,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:57,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101173003] [2024-11-09 23:54:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:57,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:58,037 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 23:54:58,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:58,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101173003] [2024-11-09 23:54:58,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101173003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:58,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:58,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:58,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789708967] [2024-11-09 23:54:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:58,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:58,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:58,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:58,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:58,039 INFO L87 Difference]: Start difference. First operand 17422 states and 25819 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:58,365 INFO L93 Difference]: Finished difference Result 50101 states and 74129 transitions. [2024-11-09 23:54:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:58,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-09 23:54:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:54:58,430 INFO L225 Difference]: With dead ends: 50101 [2024-11-09 23:54:58,430 INFO L226 Difference]: Without dead ends: 32946 [2024-11-09 23:54:58,459 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 23:54:58,460 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 464 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:54:58,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:54:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32946 states. [2024-11-09 23:54:58,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32946 to 32944. [2024-11-09 23:54:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32944 states, 32943 states have (on average 1.4695079379534348) internal successors, (48410), 32943 states have internal predecessors, (48410), 0 states have call successors, (0), 0 states 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 23:54:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32944 states to 32944 states and 48410 transitions. [2024-11-09 23:54:59,229 INFO L78 Accepts]: Start accepts. Automaton has 32944 states and 48410 transitions. Word has length 179 [2024-11-09 23:54:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:54:59,229 INFO L471 AbstractCegarLoop]: Abstraction has 32944 states and 48410 transitions. [2024-11-09 23:54:59,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32944 states and 48410 transitions. [2024-11-09 23:54:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:54:59,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:54:59,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:54:59,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:54:59,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:54:59,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:54:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1566811082, now seen corresponding path program 1 times [2024-11-09 23:54:59,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:54:59,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148692788] [2024-11-09 23:54:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:54:59,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:54:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:54:59,392 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 23:54:59,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:54:59,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148692788] [2024-11-09 23:54:59,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148692788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:54:59,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:54:59,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:54:59,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171069417] [2024-11-09 23:54:59,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:54:59,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:54:59,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:54:59,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:54:59,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:54:59,394 INFO L87 Difference]: Start difference. First operand 32944 states and 48410 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:54:59,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:54:59,913 INFO L93 Difference]: Finished difference Result 94181 states and 137993 transitions. [2024-11-09 23:54:59,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:54:59,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-09 23:54:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:00,087 INFO L225 Difference]: With dead ends: 94181 [2024-11-09 23:55:00,087 INFO L226 Difference]: Without dead ends: 61937 [2024-11-09 23:55:00,129 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 23:55:00,134 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 446 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:00,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:55:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61937 states. [2024-11-09 23:55:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61937 to 61935. [2024-11-09 23:55:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61935 states, 61934 states have (on average 1.4541770271579424) internal successors, (90063), 61934 states have internal predecessors, (90063), 0 states have call successors, (0), 0 states 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 23:55:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61935 states to 61935 states and 90063 transitions. [2024-11-09 23:55:01,413 INFO L78 Accepts]: Start accepts. Automaton has 61935 states and 90063 transitions. Word has length 179 [2024-11-09 23:55:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:01,417 INFO L471 AbstractCegarLoop]: Abstraction has 61935 states and 90063 transitions. [2024-11-09 23:55:01,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 61935 states and 90063 transitions. [2024-11-09 23:55:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:55:01,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:01,531 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:01,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:55:01,532 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:01,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2090557739, now seen corresponding path program 1 times [2024-11-09 23:55:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:01,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118275528] [2024-11-09 23:55:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:01,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118275528] [2024-11-09 23:55:01,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118275528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:01,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:01,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:01,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127005943] [2024-11-09 23:55:01,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:01,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:01,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:01,656 INFO L87 Difference]: Start difference. First operand 61935 states and 90063 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:02,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:02,396 INFO L93 Difference]: Finished difference Result 174887 states and 253101 transitions. [2024-11-09 23:55:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:02,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-09 23:55:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:02,583 INFO L225 Difference]: With dead ends: 174887 [2024-11-09 23:55:02,583 INFO L226 Difference]: Without dead ends: 115366 [2024-11-09 23:55:02,813 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 23:55:02,814 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 428 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:02,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:02,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115366 states. [2024-11-09 23:55:04,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115366 to 115364. [2024-11-09 23:55:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115364 states, 115363 states have (on average 1.4350008234876) internal successors, (165546), 115363 states have internal predecessors, (165546), 0 states have call successors, (0), 0 states 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 23:55:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115364 states to 115364 states and 165546 transitions. [2024-11-09 23:55:04,912 INFO L78 Accepts]: Start accepts. Automaton has 115364 states and 165546 transitions. Word has length 179 [2024-11-09 23:55:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:04,913 INFO L471 AbstractCegarLoop]: Abstraction has 115364 states and 165546 transitions. [2024-11-09 23:55:04,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 115364 states and 165546 transitions. [2024-11-09 23:55:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 23:55:05,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:05,077 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:05,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:55:05,078 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:05,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash 61716170, now seen corresponding path program 1 times [2024-11-09 23:55:05,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:05,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396962169] [2024-11-09 23:55:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:05,171 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 23:55:05,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:05,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396962169] [2024-11-09 23:55:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396962169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:05,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608069799] [2024-11-09 23:55:05,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:05,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:05,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:05,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:05,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:05,174 INFO L87 Difference]: Start difference. First operand 115364 states and 165546 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:06,373 INFO L93 Difference]: Finished difference Result 317328 states and 451514 transitions. [2024-11-09 23:55:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:06,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2024-11-09 23:55:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:06,706 INFO L225 Difference]: With dead ends: 317328 [2024-11-09 23:55:06,707 INFO L226 Difference]: Without dead ends: 211506 [2024-11-09 23:55:06,793 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 23:55:06,793 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 410 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:06,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1189 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211506 states. [2024-11-09 23:55:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211506 to 211504. [2024-11-09 23:55:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211504 states, 211503 states have (on average 1.4092849746812102) internal successors, (298068), 211503 states have internal predecessors, (298068), 0 states have call successors, (0), 0 states 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 23:55:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211504 states to 211504 states and 298068 transitions. [2024-11-09 23:55:11,205 INFO L78 Accepts]: Start accepts. Automaton has 211504 states and 298068 transitions. Word has length 179 [2024-11-09 23:55:11,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:11,205 INFO L471 AbstractCegarLoop]: Abstraction has 211504 states and 298068 transitions. [2024-11-09 23:55:11,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 211504 states and 298068 transitions. [2024-11-09 23:55:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 23:55:11,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:11,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:11,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:55:11,447 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:11,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 340927043, now seen corresponding path program 1 times [2024-11-09 23:55:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12069364] [2024-11-09 23:55:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:11,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:11,863 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 23:55:11,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:11,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12069364] [2024-11-09 23:55:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12069364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:11,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:11,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:11,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784133849] [2024-11-09 23:55:11,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:11,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:11,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:11,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:11,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:11,867 INFO L87 Difference]: Start difference. First operand 211504 states and 298068 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states 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 23:55:13,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:13,861 INFO L93 Difference]: Finished difference Result 352270 states and 492219 transitions. [2024-11-09 23:55:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:13,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2024-11-09 23:55:13,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:14,214 INFO L225 Difference]: With dead ends: 352270 [2024-11-09 23:55:14,214 INFO L226 Difference]: Without dead ends: 223858 [2024-11-09 23:55:14,324 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 23:55:14,324 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 4328 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4328 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:14,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4328 Valid, 2465 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:55:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223858 states. [2024-11-09 23:55:18,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223858 to 215642. [2024-11-09 23:55:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215642 states, 215641 states have (on average 1.3884094397633102) internal successors, (299398), 215641 states have internal predecessors, (299398), 0 states have call successors, (0), 0 states 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 23:55:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215642 states to 215642 states and 299398 transitions. [2024-11-09 23:55:18,881 INFO L78 Accepts]: Start accepts. Automaton has 215642 states and 299398 transitions. Word has length 181 [2024-11-09 23:55:18,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:18,881 INFO L471 AbstractCegarLoop]: Abstraction has 215642 states and 299398 transitions. [2024-11-09 23:55:18,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states 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 23:55:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 215642 states and 299398 transitions. [2024-11-09 23:55:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 23:55:19,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:19,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:19,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:55:19,883 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:19,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:19,884 INFO L85 PathProgramCache]: Analyzing trace with hash -196397364, now seen corresponding path program 1 times [2024-11-09 23:55:19,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:19,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117667282] [2024-11-09 23:55:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:19,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:20,425 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 23:55:20,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:20,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117667282] [2024-11-09 23:55:20,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117667282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:20,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:20,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:20,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093119232] [2024-11-09 23:55:20,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:20,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:20,433 INFO L87 Difference]: Start difference. First operand 215642 states and 299398 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:22,643 INFO L93 Difference]: Finished difference Result 496963 states and 697112 transitions. [2024-11-09 23:55:22,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:22,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2024-11-09 23:55:22,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:23,209 INFO L225 Difference]: With dead ends: 496963 [2024-11-09 23:55:23,209 INFO L226 Difference]: Without dead ends: 437675 [2024-11-09 23:55:23,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 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 23:55:23,259 INFO L432 NwaCegarLoop]: 1021 mSDtfsCounter, 4130 mSDsluCounter, 2694 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4130 SdHoareTripleChecker+Valid, 3715 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:23,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4130 Valid, 3715 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437675 states. [2024-11-09 23:55:29,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437675 to 281826. [2024-11-09 23:55:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281826 states, 281825 states have (on average 1.3877796504923268) internal successors, (391111), 281825 states have internal predecessors, (391111), 0 states have call successors, (0), 0 states 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 23:55:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281826 states to 281826 states and 391111 transitions. [2024-11-09 23:55:30,262 INFO L78 Accepts]: Start accepts. Automaton has 281826 states and 391111 transitions. Word has length 182 [2024-11-09 23:55:30,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:30,262 INFO L471 AbstractCegarLoop]: Abstraction has 281826 states and 391111 transitions. [2024-11-09 23:55:30,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 281826 states and 391111 transitions. [2024-11-09 23:55:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 23:55:30,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:30,539 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:30,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:55:30,540 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:30,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1920869031, now seen corresponding path program 1 times [2024-11-09 23:55:30,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:30,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460553668] [2024-11-09 23:55:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:30,795 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 23:55:30,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:30,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460553668] [2024-11-09 23:55:30,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460553668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:30,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:30,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:30,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676271982] [2024-11-09 23:55:30,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:30,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:30,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:30,797 INFO L87 Difference]: Start difference. First operand 281826 states and 391111 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:34,161 INFO L93 Difference]: Finished difference Result 567345 states and 794723 transitions. [2024-11-09 23:55:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:34,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2024-11-09 23:55:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:35,170 INFO L225 Difference]: With dead ends: 567345 [2024-11-09 23:55:35,170 INFO L226 Difference]: Without dead ends: 501381 [2024-11-09 23:55:35,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 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 23:55:35,325 INFO L432 NwaCegarLoop]: 1031 mSDtfsCounter, 4414 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4414 SdHoareTripleChecker+Valid, 3972 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:35,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4414 Valid, 3972 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:55:35,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501381 states.