./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 3289d67d 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-3289d67-m [2024-11-16 08:35:58,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:35:58,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:35:58,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:35:58,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:35:58,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:35:58,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:35:58,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:35:58,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:35:58,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:35:58,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:35:58,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:35:58,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:35:58,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:35:58,257 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:35:58,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:35:58,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:35:58,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:35:58,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:35:58,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:35:58,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:35:58,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:35:58,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:35:58,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:35:58,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:35:58,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:35:58,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:35:58,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:35:58,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:35:58,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:35:58,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:35:58,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:35:58,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:35:58,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:35:58,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:35:58,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:35:58,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:35:58,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 169d16a82e2efb21b41720aab8fadcf5ecf67324651e69e91d6cb4f921e3dcd4 [2024-11-16 08:35:58,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:35:58,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:35:58,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:35:58,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:35:58,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:35:58,499 INFO L431 ainManager$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 [2024-11-16 08:35:59,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:36:00,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:36:00,157 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 [2024-11-16 08:36:00,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b96c549/52f33c7abcff4163b00f6bd6500ed68e/FLAG8081e5d77 [2024-11-16 08:36:00,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b96c549/52f33c7abcff4163b00f6bd6500ed68e [2024-11-16 08:36:00,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:36:00,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:36:00,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:36:00,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:36:00,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:36:00,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:36:00" (1/1) ... [2024-11-16 08:36:00,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4008e6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:00, skipping insertion in model container [2024-11-16 08:36:00,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:36:00" (1/1) ... [2024-11-16 08:36:00,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:36:00,739 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] [2024-11-16 08:36:00,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:36:00,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:36:00,891 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] [2024-11-16 08:36:01,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:36:01,026 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:36:01,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01 WrapperNode [2024-11-16 08:36:01,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:36:01,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:36:01,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:36:01,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:36:01,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,090 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1437 [2024-11-16 08:36:01,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:36:01,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:36:01,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:36:01,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:36:01,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,124 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]. [2024-11-16 08:36:01,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:36:01,150 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:36:01,150 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:36:01,150 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:36:01,151 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (1/1) ... [2024-11-16 08:36:01,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:36:01,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:36:01,189 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) [2024-11-16 08:36:01,190 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 [2024-11-16 08:36:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:36:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:36:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:36:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:36:01,319 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:36:01,321 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:36:02,306 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1225: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-16 08:36:02,306 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1425: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-16 08:36:02,306 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L633: havoc main_~node2__m2~3#1; [2024-11-16 08:36:02,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L303: havoc main_~node5__m5~0#1; [2024-11-16 08:36:02,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2087: havoc main_~node5____CPAchecker_TMP_0~3#1; [2024-11-16 08:36:02,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L965: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:36:02,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L503: havoc main_~node2__m2~2#1; [2024-11-16 08:36:02,307 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2287: havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1828: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L376: havoc main_~node2__m2~1#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L907: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1569: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249: havoc main_~node2__m2~0#1; [2024-11-16 08:36:02,308 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1770: havoc main_~node4____CPAchecker_TMP_1~2#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2431: havoc main_~node1____CPAchecker_TMP_0~3#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1311: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3__m3~3#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1511: havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L521: havoc main_~node3__m3~2#1; [2024-11-16 08:36:02,309 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2173: havoc main_~node4____CPAchecker_TMP_0~3#1; [2024-11-16 08:36:02,310 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1051: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:36:02,310 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2373: havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-16 08:36:02,310 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: havoc main_~node3__m3~1#1; [2024-11-16 08:36:02,310 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1253: havoc main_~node5____CPAchecker_TMP_1~1#1; [2024-11-16 08:36:02,311 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1914: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:36:02,311 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L793: havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-16 08:36:02,311 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc main_~node5____CPAchecker_TMP_1~3#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L993: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc main_~node3__m3~0#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1656: havoc main_~node5____CPAchecker_TMP_0~2#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1856: havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L669: havoc main_~node4__m4~3#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1397: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:36:02,312 INFO L1250 $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; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L539: havoc main_~node4__m4~2#1; [2024-11-16 08:36:02,312 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2259: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1137: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L412: havoc main_~node4__m4~1#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1339: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2000: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:36:02,313 INFO L1250 $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; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L879: havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L285: havoc main_~node4__m4~0#1; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2201: havoc main_~node4____CPAchecker_TMP_1~3#1; [2024-11-16 08:36:02,313 INFO L1250 $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; [2024-11-16 08:36:02,313 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1079: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1742: havoc main_~node4____CPAchecker_TMP_0~2#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1942: havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687: havoc main_~node5__m5~3#1; [2024-11-16 08:36:02,314 INFO L1250 $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; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L821: havoc main_~node5____CPAchecker_TMP_1~0#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L557: havoc main_~node5__m5~2#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1483: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1684: havoc main_~node5____CPAchecker_TMP_1~2#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2345: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:36:02,314 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L430: havoc main_~node5__m5~1#1; [2024-11-16 08:36:02,413 INFO L? ?]: Removed 190 outVars from TransFormulas that were not future-live. [2024-11-16 08:36:02,413 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:36:02,440 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:36:02,440 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:36:02,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:36:02 BoogieIcfgContainer [2024-11-16 08:36:02,441 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:36:02,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:36:02,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:36:02,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:36:02,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:36:00" (1/3) ... [2024-11-16 08:36:02,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3522de50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:36:02, skipping insertion in model container [2024-11-16 08:36:02,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:01" (2/3) ... [2024-11-16 08:36:02,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3522de50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:36:02, skipping insertion in model container [2024-11-16 08:36:02,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:36:02" (3/3) ... [2024-11-16 08:36:02,450 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2024-11-16 08:36:02,462 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:36:02,462 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 08:36:02,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:36:02,525 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;@7ace3df2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:36:02,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 08:36:02,531 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) [2024-11-16 08:36:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:36:02,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:02,546 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] [2024-11-16 08:36:02,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:02,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:02,550 INFO L85 PathProgramCache]: Analyzing trace with hash -137871339, now seen corresponding path program 1 times [2024-11-16 08:36:02,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:02,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171121306] [2024-11-16 08:36:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:03,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:03,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171121306] [2024-11-16 08:36:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171121306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:03,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:03,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:36:03,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140860885] [2024-11-16 08:36:03,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:03,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 08:36:03,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:03,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 08:36:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 08:36:03,126 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) [2024-11-16 08:36:03,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:03,279 INFO L93 Difference]: Finished difference Result 890 states and 1378 transitions. [2024-11-16 08:36:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 08:36:03,282 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 [2024-11-16 08:36:03,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:03,296 INFO L225 Difference]: With dead ends: 890 [2024-11-16 08:36:03,296 INFO L226 Difference]: Without dead ends: 458 [2024-11-16 08:36:03,299 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 [2024-11-16 08:36:03,301 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 183 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1950 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 [2024-11-16 08:36:03,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1950 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:36:03,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-16 08:36:03,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-11-16 08:36:03,346 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) [2024-11-16 08:36:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 678 transitions. [2024-11-16 08:36:03,348 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 678 transitions. Word has length 103 [2024-11-16 08:36:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:03,349 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 678 transitions. [2024-11-16 08:36:03,349 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) [2024-11-16 08:36:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 678 transitions. [2024-11-16 08:36:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 08:36:03,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:03,354 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] [2024-11-16 08:36:03,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:36:03,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:03,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash -881199431, now seen corresponding path program 1 times [2024-11-16 08:36:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:03,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142032594] [2024-11-16 08:36:03,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:03,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:03,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:03,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142032594] [2024-11-16 08:36:03,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142032594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:03,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:03,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:03,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847094963] [2024-11-16 08:36:03,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:03,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:03,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:03,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:03,549 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) [2024-11-16 08:36:03,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:03,593 INFO L93 Difference]: Finished difference Result 1043 states and 1590 transitions. [2024-11-16 08:36:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:03,594 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 [2024-11-16 08:36:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:03,597 INFO L225 Difference]: With dead ends: 1043 [2024-11-16 08:36:03,597 INFO L226 Difference]: Without dead ends: 679 [2024-11-16 08:36:03,598 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 [2024-11-16 08:36:03,599 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 [2024-11-16 08:36:03,600 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] [2024-11-16 08:36:03,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-16 08:36:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 677. [2024-11-16 08:36:03,615 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) [2024-11-16 08:36:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1017 transitions. [2024-11-16 08:36:03,617 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1017 transitions. Word has length 165 [2024-11-16 08:36:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:03,618 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 1017 transitions. [2024-11-16 08:36:03,618 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) [2024-11-16 08:36:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1017 transitions. [2024-11-16 08:36:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 08:36:03,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:03,621 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] [2024-11-16 08:36:03,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:36:03,621 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:03,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:03,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1046811987, now seen corresponding path program 1 times [2024-11-16 08:36:03,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:03,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717393867] [2024-11-16 08:36:03,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:03,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:03,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:03,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717393867] [2024-11-16 08:36:03,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717393867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:03,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:03,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:03,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236938683] [2024-11-16 08:36:03,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:03,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:03,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:03,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:03,876 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) [2024-11-16 08:36:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:03,952 INFO L93 Difference]: Finished difference Result 1621 states and 2485 transitions. [2024-11-16 08:36:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:03,953 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 [2024-11-16 08:36:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:03,957 INFO L225 Difference]: With dead ends: 1621 [2024-11-16 08:36:03,957 INFO L226 Difference]: Without dead ends: 1051 [2024-11-16 08:36:03,958 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 [2024-11-16 08:36:03,959 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:03,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1135 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:36:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-16 08:36:03,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1049. [2024-11-16 08:36:03,983 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) [2024-11-16 08:36:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1590 transitions. [2024-11-16 08:36:03,985 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1590 transitions. Word has length 167 [2024-11-16 08:36:03,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:03,986 INFO L471 AbstractCegarLoop]: Abstraction has 1049 states and 1590 transitions. [2024-11-16 08:36:03,987 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) [2024-11-16 08:36:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1590 transitions. [2024-11-16 08:36:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-16 08:36:03,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:03,990 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] [2024-11-16 08:36:03,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:36:03,991 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:03,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1286579143, now seen corresponding path program 1 times [2024-11-16 08:36:03,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:03,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718219595] [2024-11-16 08:36:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:03,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:04,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:04,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718219595] [2024-11-16 08:36:04,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718219595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:04,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:04,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:04,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235951197] [2024-11-16 08:36:04,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:04,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:04,098 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) [2024-11-16 08:36:04,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:04,141 INFO L93 Difference]: Finished difference Result 2586 states and 3968 transitions. [2024-11-16 08:36:04,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:04,141 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 [2024-11-16 08:36:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:04,148 INFO L225 Difference]: With dead ends: 2586 [2024-11-16 08:36:04,148 INFO L226 Difference]: Without dead ends: 1657 [2024-11-16 08:36:04,151 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 [2024-11-16 08:36:04,152 INFO L432 NwaCegarLoop]: 767 mSDtfsCounter, 401 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1223 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 [2024-11-16 08:36:04,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1223 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:04,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-11-16 08:36:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1655. [2024-11-16 08:36:04,176 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) [2024-11-16 08:36:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2515 transitions. [2024-11-16 08:36:04,180 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2515 transitions. Word has length 169 [2024-11-16 08:36:04,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:04,180 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2515 transitions. [2024-11-16 08:36:04,180 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) [2024-11-16 08:36:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2515 transitions. [2024-11-16 08:36:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 08:36:04,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:04,185 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] [2024-11-16 08:36:04,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:36:04,185 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:04,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:04,186 INFO L85 PathProgramCache]: Analyzing trace with hash -682488013, now seen corresponding path program 1 times [2024-11-16 08:36:04,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:04,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322467645] [2024-11-16 08:36:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:04,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322467645] [2024-11-16 08:36:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322467645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:04,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:04,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633437359] [2024-11-16 08:36:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:04,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:04,334 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) [2024-11-16 08:36:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:04,430 INFO L93 Difference]: Finished difference Result 4109 states and 6279 transitions. [2024-11-16 08:36:04,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:04,433 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 [2024-11-16 08:36:04,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:04,444 INFO L225 Difference]: With dead ends: 4109 [2024-11-16 08:36:04,444 INFO L226 Difference]: Without dead ends: 2587 [2024-11-16 08:36:04,450 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 [2024-11-16 08:36:04,450 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 386 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:04,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1061 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:36:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2024-11-16 08:36:04,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2585. [2024-11-16 08:36:04,484 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) [2024-11-16 08:36:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 3912 transitions. [2024-11-16 08:36:04,490 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 3912 transitions. Word has length 171 [2024-11-16 08:36:04,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:04,492 INFO L471 AbstractCegarLoop]: Abstraction has 2585 states and 3912 transitions. [2024-11-16 08:36:04,492 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) [2024-11-16 08:36:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3912 transitions. [2024-11-16 08:36:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 08:36:04,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:04,497 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] [2024-11-16 08:36:04,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:36:04,497 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:04,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash -550397099, now seen corresponding path program 1 times [2024-11-16 08:36:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644646792] [2024-11-16 08:36:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:04,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:04,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:04,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644646792] [2024-11-16 08:36:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644646792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:04,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:36:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975573746] [2024-11-16 08:36:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:04,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:36:04,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:36:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:36:04,705 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) [2024-11-16 08:36:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:05,060 INFO L93 Difference]: Finished difference Result 15108 states and 22933 transitions. [2024-11-16 08:36:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:36:05,061 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 [2024-11-16 08:36:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:05,092 INFO L225 Difference]: With dead ends: 15108 [2024-11-16 08:36:05,092 INFO L226 Difference]: Without dead ends: 12660 [2024-11-16 08:36:05,096 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 [2024-11-16 08:36:05,097 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 5042 mSDsluCounter, 5196 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5042 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:05,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5042 Valid, 6184 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:36:05,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12660 states. [2024-11-16 08:36:05,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12660 to 5089. [2024-11-16 08:36:05,229 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) [2024-11-16 08:36:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 7638 transitions. [2024-11-16 08:36:05,240 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 7638 transitions. Word has length 173 [2024-11-16 08:36:05,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:05,240 INFO L471 AbstractCegarLoop]: Abstraction has 5089 states and 7638 transitions. [2024-11-16 08:36:05,241 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) [2024-11-16 08:36:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 7638 transitions. [2024-11-16 08:36:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 08:36:05,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:05,248 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] [2024-11-16 08:36:05,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:36:05,248 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:05,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:05,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1262945675, now seen corresponding path program 1 times [2024-11-16 08:36:05,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:05,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402853744] [2024-11-16 08:36:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:05,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:05,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:05,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402853744] [2024-11-16 08:36:05,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402853744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:05,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:05,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:05,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158924256] [2024-11-16 08:36:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:05,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:05,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:05,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:05,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:05,340 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) [2024-11-16 08:36:05,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:05,417 INFO L93 Difference]: Finished difference Result 14035 states and 21063 transitions. [2024-11-16 08:36:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:05,418 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 [2024-11-16 08:36:05,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:05,484 INFO L225 Difference]: With dead ends: 14035 [2024-11-16 08:36:05,485 INFO L226 Difference]: Without dead ends: 9021 [2024-11-16 08:36:05,489 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 [2024-11-16 08:36:05,491 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 428 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1527 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 [2024-11-16 08:36:05,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1527 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2024-11-16 08:36:05,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 9019. [2024-11-16 08:36:05,602 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) [2024-11-16 08:36:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9019 states to 9019 states and 13438 transitions. [2024-11-16 08:36:05,624 INFO L78 Accepts]: Start accepts. Automaton has 9019 states and 13438 transitions. Word has length 177 [2024-11-16 08:36:05,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:05,624 INFO L471 AbstractCegarLoop]: Abstraction has 9019 states and 13438 transitions. [2024-11-16 08:36:05,625 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) [2024-11-16 08:36:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 9019 states and 13438 transitions. [2024-11-16 08:36:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 08:36:05,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:05,638 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] [2024-11-16 08:36:05,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:36:05,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:05,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:05,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1035906492, now seen corresponding path program 1 times [2024-11-16 08:36:05,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:05,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917646666] [2024-11-16 08:36:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:05,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:05,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917646666] [2024-11-16 08:36:05,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917646666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:05,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:05,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:05,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898982660] [2024-11-16 08:36:05,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:05,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:05,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:05,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:05,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:05,719 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) [2024-11-16 08:36:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:05,884 INFO L93 Difference]: Finished difference Result 25920 states and 38601 transitions. [2024-11-16 08:36:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:05,884 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 [2024-11-16 08:36:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:05,910 INFO L225 Difference]: With dead ends: 25920 [2024-11-16 08:36:05,910 INFO L226 Difference]: Without dead ends: 17081 [2024-11-16 08:36:05,919 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 [2024-11-16 08:36:05,921 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:05,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17081 states. [2024-11-16 08:36:06,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17081 to 17079. [2024-11-16 08:36:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17079 states, 17078 states have (on average 1.4793886871999062) internal successors, (25265), 17078 states have internal predecessors, (25265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17079 states to 17079 states and 25265 transitions. [2024-11-16 08:36:06,196 INFO L78 Accepts]: Start accepts. Automaton has 17079 states and 25265 transitions. Word has length 179 [2024-11-16 08:36:06,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:06,196 INFO L471 AbstractCegarLoop]: Abstraction has 17079 states and 25265 transitions. [2024-11-16 08:36:06,197 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) [2024-11-16 08:36:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 17079 states and 25265 transitions. [2024-11-16 08:36:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 08:36:06,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:06,221 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] [2024-11-16 08:36:06,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:36:06,221 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:06,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash -470138116, now seen corresponding path program 1 times [2024-11-16 08:36:06,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:06,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360649400] [2024-11-16 08:36:06,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:06,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:06,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360649400] [2024-11-16 08:36:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360649400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:06,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:06,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:06,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677078791] [2024-11-16 08:36:06,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:06,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:06,294 INFO L87 Difference]: Start difference. First operand 17079 states and 25265 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) [2024-11-16 08:36:06,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:06,536 INFO L93 Difference]: Finished difference Result 48862 states and 72129 transitions. [2024-11-16 08:36:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:06,537 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 [2024-11-16 08:36:06,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:06,578 INFO L225 Difference]: With dead ends: 48862 [2024-11-16 08:36:06,578 INFO L226 Difference]: Without dead ends: 32206 [2024-11-16 08:36:06,595 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 [2024-11-16 08:36:06,596 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:06,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32206 states. [2024-11-16 08:36:06,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32206 to 32204. [2024-11-16 08:36:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32204 states, 32203 states have (on average 1.4656087942117193) internal successors, (47197), 32203 states have internal predecessors, (47197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32204 states to 32204 states and 47197 transitions. [2024-11-16 08:36:07,044 INFO L78 Accepts]: Start accepts. Automaton has 32204 states and 47197 transitions. Word has length 179 [2024-11-16 08:36:07,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:07,044 INFO L471 AbstractCegarLoop]: Abstraction has 32204 states and 47197 transitions. [2024-11-16 08:36:07,044 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) [2024-11-16 08:36:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32204 states and 47197 transitions. [2024-11-16 08:36:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 08:36:07,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:07,088 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] [2024-11-16 08:36:07,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:36:07,088 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:07,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash -258519684, now seen corresponding path program 1 times [2024-11-16 08:36:07,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:07,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635709177] [2024-11-16 08:36:07,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:07,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:07,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635709177] [2024-11-16 08:36:07,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635709177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:07,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:07,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:07,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183515984] [2024-11-16 08:36:07,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:07,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:07,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:07,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:07,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:07,343 INFO L87 Difference]: Start difference. First operand 32204 states and 47197 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) [2024-11-16 08:36:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:07,547 INFO L93 Difference]: Finished difference Result 88690 states and 129113 transitions. [2024-11-16 08:36:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:07,548 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 [2024-11-16 08:36:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:07,840 INFO L225 Difference]: With dead ends: 88690 [2024-11-16 08:36:07,841 INFO L226 Difference]: Without dead ends: 59556 [2024-11-16 08:36:07,926 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 [2024-11-16 08:36:07,926 INFO L432 NwaCegarLoop]: 615 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, 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:07,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:07,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59556 states. [2024-11-16 08:36:08,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59556 to 59554. [2024-11-16 08:36:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59554 states, 59553 states have (on average 1.4445116115057175) internal successors, (86025), 59553 states have internal predecessors, (86025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59554 states to 59554 states and 86025 transitions. [2024-11-16 08:36:08,741 INFO L78 Accepts]: Start accepts. Automaton has 59554 states and 86025 transitions. Word has length 179 [2024-11-16 08:36:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:08,742 INFO L471 AbstractCegarLoop]: Abstraction has 59554 states and 86025 transitions. [2024-11-16 08:36:08,742 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) [2024-11-16 08:36:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 59554 states and 86025 transitions. [2024-11-16 08:36:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 08:36:08,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:08,985 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] [2024-11-16 08:36:08,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:36:08,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:08,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1204975676, now seen corresponding path program 1 times [2024-11-16 08:36:08,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:08,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596750897] [2024-11-16 08:36:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:08,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:09,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:09,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596750897] [2024-11-16 08:36:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596750897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:09,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:09,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437355414] [2024-11-16 08:36:09,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:09,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:09,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:09,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:09,144 INFO L87 Difference]: Start difference. First operand 59554 states and 86025 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) [2024-11-16 08:36:09,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:09,727 INFO L93 Difference]: Finished difference Result 167913 states and 241189 transitions. [2024-11-16 08:36:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:09,727 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 [2024-11-16 08:36:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:09,897 INFO L225 Difference]: With dead ends: 167913 [2024-11-16 08:36:09,898 INFO L226 Difference]: Without dead ends: 110876 [2024-11-16 08:36:09,931 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 [2024-11-16 08:36:09,932 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 428 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:09,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1187 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:36:09,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110876 states. [2024-11-16 08:36:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110876 to 110874. [2024-11-16 08:36:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110874 states, 110873 states have (on average 1.4236198172684063) internal successors, (157841), 110873 states have internal predecessors, (157841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110874 states to 110874 states and 157841 transitions. [2024-11-16 08:36:11,877 INFO L78 Accepts]: Start accepts. Automaton has 110874 states and 157841 transitions. Word has length 179 [2024-11-16 08:36:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:11,877 INFO L471 AbstractCegarLoop]: Abstraction has 110874 states and 157841 transitions. [2024-11-16 08:36:11,877 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) [2024-11-16 08:36:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 110874 states and 157841 transitions. [2024-11-16 08:36:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 08:36:11,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:11,994 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] [2024-11-16 08:36:11,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:36:11,994 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:11,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:11,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1404678155, now seen corresponding path program 1 times [2024-11-16 08:36:11,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:11,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674691631] [2024-11-16 08:36:11,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:11,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:12,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:12,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674691631] [2024-11-16 08:36:12,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674691631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:12,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:12,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:36:12,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53398564] [2024-11-16 08:36:12,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:12,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:36:12,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:12,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:36:12,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:36:12,078 INFO L87 Difference]: Start difference. First operand 110874 states and 157841 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) [2024-11-16 08:36:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:13,411 INFO L93 Difference]: Finished difference Result 321903 states and 457178 transitions. [2024-11-16 08:36:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:36:13,412 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 [2024-11-16 08:36:13,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:13,686 INFO L225 Difference]: With dead ends: 321903 [2024-11-16 08:36:13,687 INFO L226 Difference]: Without dead ends: 211506 [2024-11-16 08:36:13,772 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 [2024-11-16 08:36:13,774 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 [2024-11-16 08:36:13,774 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] [2024-11-16 08:36:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211506 states. [2024-11-16 08:36:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211506 to 211504. [2024-11-16 08:36:17,901 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) [2024-11-16 08:36:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211504 states to 211504 states and 298068 transitions. [2024-11-16 08:36:18,399 INFO L78 Accepts]: Start accepts. Automaton has 211504 states and 298068 transitions. Word has length 179 [2024-11-16 08:36:18,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:18,399 INFO L471 AbstractCegarLoop]: Abstraction has 211504 states and 298068 transitions. [2024-11-16 08:36:18,399 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) [2024-11-16 08:36:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 211504 states and 298068 transitions. [2024-11-16 08:36:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 08:36:18,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:18,579 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] [2024-11-16 08:36:18,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:36:18,579 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:18,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:18,580 INFO L85 PathProgramCache]: Analyzing trace with hash -24622630, now seen corresponding path program 1 times [2024-11-16 08:36:18,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:18,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834596240] [2024-11-16 08:36:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:18,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:18,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834596240] [2024-11-16 08:36:18,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834596240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:18,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:18,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:36:18,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191604614] [2024-11-16 08:36:18,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:18,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:36:18,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:18,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:36:18,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:36:18,752 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) [2024-11-16 08:36:21,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:21,793 INFO L93 Difference]: Finished difference Result 545246 states and 776086 transitions. [2024-11-16 08:36:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:36:21,793 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 [2024-11-16 08:36:21,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:22,587 INFO L225 Difference]: With dead ends: 545246 [2024-11-16 08:36:22,588 INFO L226 Difference]: Without dead ends: 478620 [2024-11-16 08:36:22,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:36:22,693 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 4490 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:22,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 3452 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 08:36:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478620 states. [2024-11-16 08:36:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478620 to 286576. [2024-11-16 08:36:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286576 states, 286575 states have (on average 1.4084794556398847) internal successors, (403635), 286575 states have internal predecessors, (403635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286576 states to 286576 states and 403635 transitions. [2024-11-16 08:36:28,987 INFO L78 Accepts]: Start accepts. Automaton has 286576 states and 403635 transitions. Word has length 181 [2024-11-16 08:36:28,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:28,988 INFO L471 AbstractCegarLoop]: Abstraction has 286576 states and 403635 transitions. [2024-11-16 08:36:28,988 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) [2024-11-16 08:36:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 286576 states and 403635 transitions. [2024-11-16 08:36:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 08:36:29,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:29,235 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] [2024-11-16 08:36:29,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:36:29,235 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:29,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash 14513205, now seen corresponding path program 1 times [2024-11-16 08:36:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:29,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416948122] [2024-11-16 08:36:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:29,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:29,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416948122] [2024-11-16 08:36:29,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416948122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:29,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:29,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:36:29,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725728484] [2024-11-16 08:36:29,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:29,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:36:29,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:36:29,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:36:29,460 INFO L87 Difference]: Start difference. First operand 286576 states and 403635 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) [2024-11-16 08:36:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:32,149 INFO L93 Difference]: Finished difference Result 476159 states and 665232 transitions. [2024-11-16 08:36:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:36:32,149 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 [2024-11-16 08:36:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:33,353 INFO L225 Difference]: With dead ends: 476159 [2024-11-16 08:36:33,353 INFO L226 Difference]: Without dead ends: 301443 [2024-11-16 08:36:33,511 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 [2024-11-16 08:36:33,511 INFO L432 NwaCegarLoop]: 924 mSDtfsCounter, 2973 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:33,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 2714 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 08:36:33,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301443 states. [2024-11-16 08:36:37,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301443 to 289843. [2024-11-16 08:36:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289843 states, 289842 states have (on average 1.3880459008701291) internal successors, (402314), 289842 states have internal predecessors, (402314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:36:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289843 states to 289843 states and 402314 transitions. [2024-11-16 08:36:39,340 INFO L78 Accepts]: Start accepts. Automaton has 289843 states and 402314 transitions. Word has length 181 [2024-11-16 08:36:39,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:36:39,340 INFO L471 AbstractCegarLoop]: Abstraction has 289843 states and 402314 transitions. [2024-11-16 08:36:39,340 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) [2024-11-16 08:36:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 289843 states and 402314 transitions. [2024-11-16 08:36:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-16 08:36:39,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:36:39,628 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] [2024-11-16 08:36:39,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:36:39,628 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 08:36:39,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:36:39,630 INFO L85 PathProgramCache]: Analyzing trace with hash 788378913, now seen corresponding path program 1 times [2024-11-16 08:36:39,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:36:39,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382795050] [2024-11-16 08:36:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:36:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:36:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:36:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:36:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:36:39,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382795050] [2024-11-16 08:36:39,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382795050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:36:39,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:36:39,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:36:39,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664963305] [2024-11-16 08:36:39,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:36:39,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:36:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:36:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:36:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:36:39,967 INFO L87 Difference]: Start difference. First operand 289843 states and 402314 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) [2024-11-16 08:36:42,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:36:42,114 INFO L93 Difference]: Finished difference Result 562349 states and 787595 transitions. [2024-11-16 08:36:42,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 08:36:42,114 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 [2024-11-16 08:36:42,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:36:42,898 INFO L225 Difference]: With dead ends: 562349 [2024-11-16 08:36:42,898 INFO L226 Difference]: Without dead ends: 503061 [2024-11-16 08:36:43,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:36:43,034 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 4338 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4338 SdHoareTripleChecker+Valid, 4075 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:36:43,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4338 Valid, 4075 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 08:36:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503061 states.