./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 237919602f057be6bafc5b901424d626990bfa1f459ab937d0f6252d6c0cf13c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:55:39,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:55:39,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:55:39,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:55:39,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:55:39,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:55:39,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:55:39,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:55:39,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:55:39,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:55:39,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:55:39,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:55:39,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:55:39,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:55:39,790 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:55:39,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:55:39,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:55:39,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:55:39,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:55:39,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:55:39,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:55:39,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:55:39,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:55:39,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:55:39,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:55:39,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:55:39,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:55:39,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:55:39,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:55:39,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:55:39,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:55:39,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:55:39,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:55:39,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:55:39,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:55:39,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:55:39,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:55:39,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:55:39,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:55:39,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:55:39,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:55:39,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:55:39,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 237919602f057be6bafc5b901424d626990bfa1f459ab937d0f6252d6c0cf13c [2024-11-09 23:55:40,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:55:40,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:55:40,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:55:40,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:55:40,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:55:40,116 INFO L431 ainManager$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.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-09 23:55:41,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:55:41,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:55:41,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-09 23:55:41,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3272b5e91/7596cfd93aa14fc091a95e5ead459d23/FLAG90668b5ac [2024-11-09 23:55:42,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3272b5e91/7596cfd93aa14fc091a95e5ead459d23 [2024-11-09 23:55:42,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:55:42,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:55:42,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:55:42,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:55:42,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:55:42,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775c31f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42, skipping insertion in model container [2024-11-09 23:55:42,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:55:42,499 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.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8607,8620] [2024-11-09 23:55:42,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:55:42,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:55:42,651 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.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[8607,8620] [2024-11-09 23:55:42,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:55:42,717 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:55:42,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42 WrapperNode [2024-11-09 23:55:42,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:55:42,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:55:42,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:55:42,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:55:42,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,790 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 879 [2024-11-09 23:55:42,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:55:42,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:55:42,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:55:42,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:55:42,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,838 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 23:55:42,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:55:42,889 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:55:42,889 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:55:42,889 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:55:42,890 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (1/1) ... [2024-11-09 23:55:42,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:55:42,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:55:42,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:55:42,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:55:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:55:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:55:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:55:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:55:43,160 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:55:43,162 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:55:44,021 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-09 23:55:44,021 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1325: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1193: havoc main_~node4____CPAchecker_TMP_1~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L335: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L335: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L765: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L370: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L370: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L370: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L370: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:55:44,022 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L370: havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L966: havoc main_~node5____CPAchecker_TMP_1~0#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:55:44,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node5__m5~1#1;havoc main_~node4__m4~1#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L938: havoc main_~node5____CPAchecker_TMP_0~1#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1237: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L280: havoc main_~node5__m5~0#1;havoc main_~node4____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L679: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:55:44,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L481: havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1; [2024-11-09 23:55:44,025 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,025 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L217: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,025 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:55:44,025 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:55:44,025 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:55:44,026 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L517: havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1; [2024-11-09 23:55:44,026 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L651: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:55:44,026 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L851: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-09 23:55:44,026 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: havoc main_~node5____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,027 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1281: havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:55:44,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1149: havoc main_~node5____CPAchecker_TMP_1~1#1; [2024-11-09 23:55:44,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:55:44,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:55:44,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L457: havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: havoc main_~node4__m4~0#1;havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L823: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,029 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,030 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,031 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:55:44,033 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L593: havoc main_~node4____CPAchecker_TMP_1~0#1; [2024-11-09 23:55:44,093 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-09 23:55:44,093 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:55:44,119 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:55:44,119 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:55:44,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:55:44 BoogieIcfgContainer [2024-11-09 23:55:44,120 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:55:44,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:55:44,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:55:44,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:55:44,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:55:42" (1/3) ... [2024-11-09 23:55:44,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:55:44, skipping insertion in model container [2024-11-09 23:55:44,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:42" (2/3) ... [2024-11-09 23:55:44,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:55:44, skipping insertion in model container [2024-11-09 23:55:44,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:55:44" (3/3) ... [2024-11-09 23:55:44,128 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2024-11-09 23:55:44,142 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:55:44,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:55:44,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:55:44,210 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;@539df9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:55:44,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:55:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6844444444444444) internal successors, (379), 226 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 23:55:44,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:44,224 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] [2024-11-09 23:55:44,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1057630974, now seen corresponding path program 1 times [2024-11-09 23:55:44,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:44,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361062650] [2024-11-09 23:55:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:44,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:45,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:45,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361062650] [2024-11-09 23:55:45,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361062650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:45,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:45,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:45,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064742547] [2024-11-09 23:55:45,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:45,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:45,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:45,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:45,067 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6844444444444444) internal successors, (379), 226 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:45,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:45,404 INFO L93 Difference]: Finished difference Result 925 states and 1461 transitions. [2024-11-09 23:55:45,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-09 23:55:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:45,432 INFO L225 Difference]: With dead ends: 925 [2024-11-09 23:55:45,432 INFO L226 Difference]: Without dead ends: 798 [2024-11-09 23:55:45,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:55:45,442 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 2472 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:45,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 3010 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:55:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-09 23:55:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 349. [2024-11-09 23:55:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.471264367816092) internal successors, (512), 348 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 512 transitions. [2024-11-09 23:55:45,530 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 512 transitions. Word has length 81 [2024-11-09 23:55:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:45,532 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 512 transitions. [2024-11-09 23:55:45,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 512 transitions. [2024-11-09 23:55:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 23:55:45,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:45,538 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:45,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:55:45,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:45,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:45,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1493124994, now seen corresponding path program 1 times [2024-11-09 23:55:45,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:45,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81993160] [2024-11-09 23:55:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:45,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:45,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81993160] [2024-11-09 23:55:45,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81993160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:45,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:45,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:55:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443653052] [2024-11-09 23:55:45,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:45,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:55:45,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:45,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:55:45,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:45,940 INFO L87 Difference]: Start difference. First operand 349 states and 512 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:46,161 INFO L93 Difference]: Finished difference Result 1513 states and 2287 transitions. [2024-11-09 23:55:46,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:55:46,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-09 23:55:46,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:46,167 INFO L225 Difference]: With dead ends: 1513 [2024-11-09 23:55:46,167 INFO L226 Difference]: Without dead ends: 1245 [2024-11-09 23:55:46,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:46,171 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 2242 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:46,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 1122 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-11-09 23:55:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1237. [2024-11-09 23:55:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1236 states have (on average 1.5088996763754046) internal successors, (1865), 1236 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1865 transitions. [2024-11-09 23:55:46,219 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1865 transitions. Word has length 83 [2024-11-09 23:55:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:46,220 INFO L471 AbstractCegarLoop]: Abstraction has 1237 states and 1865 transitions. [2024-11-09 23:55:46,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1865 transitions. [2024-11-09 23:55:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:55:46,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:46,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:46,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:55:46,232 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:46,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1540608502, now seen corresponding path program 1 times [2024-11-09 23:55:46,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:46,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807483214] [2024-11-09 23:55:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:46,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:46,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807483214] [2024-11-09 23:55:46,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807483214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:46,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704798961] [2024-11-09 23:55:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:46,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:46,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:46,432 INFO L87 Difference]: Start difference. First operand 1237 states and 1865 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:46,711 INFO L93 Difference]: Finished difference Result 3170 states and 4844 transitions. [2024-11-09 23:55:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-09 23:55:46,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:46,720 INFO L225 Difference]: With dead ends: 3170 [2024-11-09 23:55:46,721 INFO L226 Difference]: Without dead ends: 2079 [2024-11-09 23:55:46,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:46,725 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1167 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:46,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 323 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2024-11-09 23:55:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2077. [2024-11-09 23:55:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 2076 states have (on average 1.5202312138728324) internal successors, (3156), 2076 states have internal predecessors, (3156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3156 transitions. [2024-11-09 23:55:46,773 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3156 transitions. Word has length 84 [2024-11-09 23:55:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:46,774 INFO L471 AbstractCegarLoop]: Abstraction has 2077 states and 3156 transitions. [2024-11-09 23:55:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3156 transitions. [2024-11-09 23:55:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:55:46,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:46,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:46,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:55:46,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:46,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:46,777 INFO L85 PathProgramCache]: Analyzing trace with hash -742094166, now seen corresponding path program 1 times [2024-11-09 23:55:46,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:46,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359696947] [2024-11-09 23:55:46,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:46,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:46,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:46,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359696947] [2024-11-09 23:55:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359696947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:46,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:46,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925314353] [2024-11-09 23:55:46,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:46,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:46,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:46,938 INFO L87 Difference]: Start difference. First operand 2077 states and 3156 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:47,208 INFO L93 Difference]: Finished difference Result 5732 states and 8777 transitions. [2024-11-09 23:55:47,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:47,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-09 23:55:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:47,221 INFO L225 Difference]: With dead ends: 5732 [2024-11-09 23:55:47,222 INFO L226 Difference]: Without dead ends: 3767 [2024-11-09 23:55:47,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:47,227 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 1173 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:47,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 312 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:47,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2024-11-09 23:55:47,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3765. [2024-11-09 23:55:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3764 states have (on average 1.5241764080765143) internal successors, (5737), 3764 states have internal predecessors, (5737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 5737 transitions. [2024-11-09 23:55:47,301 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 5737 transitions. Word has length 84 [2024-11-09 23:55:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:47,302 INFO L471 AbstractCegarLoop]: Abstraction has 3765 states and 5737 transitions. [2024-11-09 23:55:47,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 5737 transitions. [2024-11-09 23:55:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:55:47,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:47,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:47,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:55:47,304 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:47,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:47,305 INFO L85 PathProgramCache]: Analyzing trace with hash 928056703, now seen corresponding path program 1 times [2024-11-09 23:55:47,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:47,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150752410] [2024-11-09 23:55:47,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:47,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:47,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:47,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150752410] [2024-11-09 23:55:47,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150752410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:47,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:47,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:47,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189989789] [2024-11-09 23:55:47,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:47,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:47,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:47,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:47,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:47,466 INFO L87 Difference]: Start difference. First operand 3765 states and 5737 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:47,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:47,748 INFO L93 Difference]: Finished difference Result 10868 states and 16634 transitions. [2024-11-09 23:55:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:47,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-09 23:55:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:47,773 INFO L225 Difference]: With dead ends: 10868 [2024-11-09 23:55:47,773 INFO L226 Difference]: Without dead ends: 7185 [2024-11-09 23:55:47,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:47,781 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1197 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:47,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 313 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2024-11-09 23:55:47,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7183. [2024-11-09 23:55:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7183 states, 7182 states have (on average 1.5231133389028126) internal successors, (10939), 7182 states have internal predecessors, (10939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 10939 transitions. [2024-11-09 23:55:48,044 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 10939 transitions. Word has length 84 [2024-11-09 23:55:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:48,045 INFO L471 AbstractCegarLoop]: Abstraction has 7183 states and 10939 transitions. [2024-11-09 23:55:48,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 10939 transitions. [2024-11-09 23:55:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:55:48,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:48,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:48,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:55:48,049 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:48,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1211494956, now seen corresponding path program 1 times [2024-11-09 23:55:48,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242498546] [2024-11-09 23:55:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:48,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:48,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:48,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242498546] [2024-11-09 23:55:48,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242498546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:48,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:48,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:48,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404312970] [2024-11-09 23:55:48,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:48,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:48,192 INFO L87 Difference]: Start difference. First operand 7183 states and 10939 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:48,517 INFO L93 Difference]: Finished difference Result 21183 states and 32339 transitions. [2024-11-09 23:55:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:48,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-09 23:55:48,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:48,572 INFO L225 Difference]: With dead ends: 21183 [2024-11-09 23:55:48,572 INFO L226 Difference]: Without dead ends: 14059 [2024-11-09 23:55:48,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:48,594 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1225 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:48,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 312 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14059 states. [2024-11-09 23:55:48,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14059 to 14057. [2024-11-09 23:55:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14057 states, 14056 states have (on average 1.5180705748434833) internal successors, (21338), 14056 states have internal predecessors, (21338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14057 states to 14057 states and 21338 transitions. [2024-11-09 23:55:48,964 INFO L78 Accepts]: Start accepts. Automaton has 14057 states and 21338 transitions. Word has length 84 [2024-11-09 23:55:48,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:48,964 INFO L471 AbstractCegarLoop]: Abstraction has 14057 states and 21338 transitions. [2024-11-09 23:55:48,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 14057 states and 21338 transitions. [2024-11-09 23:55:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 23:55:48,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:48,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:48,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:55:48,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:48,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash -919805015, now seen corresponding path program 1 times [2024-11-09 23:55:48,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:48,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175755465] [2024-11-09 23:55:48,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:48,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:49,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:49,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175755465] [2024-11-09 23:55:49,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175755465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:49,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:49,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61738773] [2024-11-09 23:55:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:49,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:49,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:49,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:49,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:49,143 INFO L87 Difference]: Start difference. First operand 14057 states and 21338 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:49,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:49,553 INFO L93 Difference]: Finished difference Result 39550 states and 60091 transitions. [2024-11-09 23:55:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:49,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-09 23:55:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:49,611 INFO L225 Difference]: With dead ends: 39550 [2024-11-09 23:55:49,611 INFO L226 Difference]: Without dead ends: 25536 [2024-11-09 23:55:49,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:55:49,632 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1253 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:49,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 311 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:55:49,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25536 states. [2024-11-09 23:55:50,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25536 to 25534. [2024-11-09 23:55:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25534 states, 25533 states have (on average 1.5082050679512788) internal successors, (38509), 25533 states have internal predecessors, (38509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25534 states to 25534 states and 38509 transitions. [2024-11-09 23:55:50,176 INFO L78 Accepts]: Start accepts. Automaton has 25534 states and 38509 transitions. Word has length 84 [2024-11-09 23:55:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:50,177 INFO L471 AbstractCegarLoop]: Abstraction has 25534 states and 38509 transitions. [2024-11-09 23:55:50,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 25534 states and 38509 transitions. [2024-11-09 23:55:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 23:55:50,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:50,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:50,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:55:50,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:50,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:50,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1883040093, now seen corresponding path program 1 times [2024-11-09 23:55:50,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:50,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141593270] [2024-11-09 23:55:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:50,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:50,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:50,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141593270] [2024-11-09 23:55:50,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141593270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:50,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:50,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:55:50,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575127814] [2024-11-09 23:55:50,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:50,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:55:50,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:50,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:55:50,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:50,780 INFO L87 Difference]: Start difference. First operand 25534 states and 38509 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:50,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:50,887 INFO L93 Difference]: Finished difference Result 26400 states and 39662 transitions. [2024-11-09 23:55:50,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:55:50,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-09 23:55:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:50,944 INFO L225 Difference]: With dead ends: 26400 [2024-11-09 23:55:50,944 INFO L226 Difference]: Without dead ends: 26398 [2024-11-09 23:55:50,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:55:50,961 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 0 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:50,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1202 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26398 states. [2024-11-09 23:55:51,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26398 to 26398. [2024-11-09 23:55:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26398 states, 26397 states have (on average 1.4915710118574081) internal successors, (39373), 26397 states have internal predecessors, (39373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26398 states to 26398 states and 39373 transitions. [2024-11-09 23:55:51,422 INFO L78 Accepts]: Start accepts. Automaton has 26398 states and 39373 transitions. Word has length 85 [2024-11-09 23:55:51,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:51,422 INFO L471 AbstractCegarLoop]: Abstraction has 26398 states and 39373 transitions. [2024-11-09 23:55:51,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 26398 states and 39373 transitions. [2024-11-09 23:55:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:51,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:51,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:51,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:55:51,430 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:51,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1578869079, now seen corresponding path program 1 times [2024-11-09 23:55:51,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:51,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828301866] [2024-11-09 23:55:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:51,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:51,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828301866] [2024-11-09 23:55:51,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828301866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:51,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:51,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:55:51,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024065633] [2024-11-09 23:55:51,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:51,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:55:51,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:51,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:55:51,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:55:51,941 INFO L87 Difference]: Start difference. First operand 26398 states and 39373 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:52,740 INFO L93 Difference]: Finished difference Result 33425 states and 49514 transitions. [2024-11-09 23:55:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:55:52,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-09 23:55:52,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:52,799 INFO L225 Difference]: With dead ends: 33425 [2024-11-09 23:55:52,799 INFO L226 Difference]: Without dead ends: 30096 [2024-11-09 23:55:52,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:55:52,815 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1232 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:52,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 987 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:55:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30096 states. [2024-11-09 23:55:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30096 to 26398. [2024-11-09 23:55:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26398 states, 26397 states have (on average 1.4915331287646323) internal successors, (39372), 26397 states have internal predecessors, (39372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26398 states to 26398 states and 39372 transitions. [2024-11-09 23:55:53,450 INFO L78 Accepts]: Start accepts. Automaton has 26398 states and 39372 transitions. Word has length 86 [2024-11-09 23:55:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:53,450 INFO L471 AbstractCegarLoop]: Abstraction has 26398 states and 39372 transitions. [2024-11-09 23:55:53,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:53,451 INFO L276 IsEmpty]: Start isEmpty. Operand 26398 states and 39372 transitions. [2024-11-09 23:55:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 23:55:53,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:53,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:53,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:55:53,460 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:53,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2090209430, now seen corresponding path program 1 times [2024-11-09 23:55:53,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:53,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995497643] [2024-11-09 23:55:53,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995497643] [2024-11-09 23:55:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995497643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:53,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:53,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:55:53,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187020109] [2024-11-09 23:55:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:53,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 23:55:53,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:53,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 23:55:53,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:55:53,810 INFO L87 Difference]: Start difference. First operand 26398 states and 39372 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:53,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:53,988 INFO L93 Difference]: Finished difference Result 73682 states and 109846 transitions. [2024-11-09 23:55:53,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:55:53,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-09 23:55:53,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:54,070 INFO L225 Difference]: With dead ends: 73682 [2024-11-09 23:55:54,071 INFO L226 Difference]: Without dead ends: 48176 [2024-11-09 23:55:54,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 23:55:54,113 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 251 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:54,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 747 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:54,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48176 states. [2024-11-09 23:55:54,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48176 to 48174. [2024-11-09 23:55:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48174 states, 48173 states have (on average 1.48340356631308) internal successors, (71460), 48173 states have internal predecessors, (71460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48174 states to 48174 states and 71460 transitions. [2024-11-09 23:55:55,091 INFO L78 Accepts]: Start accepts. Automaton has 48174 states and 71460 transitions. Word has length 86 [2024-11-09 23:55:55,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:55,092 INFO L471 AbstractCegarLoop]: Abstraction has 48174 states and 71460 transitions. [2024-11-09 23:55:55,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 48174 states and 71460 transitions. [2024-11-09 23:55:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:55,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:55,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:55,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:55:55,101 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:55,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash 28421188, now seen corresponding path program 1 times [2024-11-09 23:55:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:55,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12873516] [2024-11-09 23:55:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:55,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12873516] [2024-11-09 23:55:55,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12873516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:55,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:55,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413376516] [2024-11-09 23:55:55,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:55,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:55,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:55,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:55,368 INFO L87 Difference]: Start difference. First operand 48174 states and 71460 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:55,896 INFO L93 Difference]: Finished difference Result 109681 states and 162720 transitions. [2024-11-09 23:55:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:55,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:55:55,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:56,037 INFO L225 Difference]: With dead ends: 109681 [2024-11-09 23:55:56,038 INFO L226 Difference]: Without dead ends: 66435 [2024-11-09 23:55:56,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:56,098 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 220 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:56,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 585 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:56,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66435 states. [2024-11-09 23:55:57,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66435 to 66305. [2024-11-09 23:55:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66305 states, 66304 states have (on average 1.4721585424710424) internal successors, (97610), 66304 states have internal predecessors, (97610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66305 states to 66305 states and 97610 transitions. [2024-11-09 23:55:57,542 INFO L78 Accepts]: Start accepts. Automaton has 66305 states and 97610 transitions. Word has length 87 [2024-11-09 23:55:57,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:57,543 INFO L471 AbstractCegarLoop]: Abstraction has 66305 states and 97610 transitions. [2024-11-09 23:55:57,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 66305 states and 97610 transitions. [2024-11-09 23:55:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:57,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:57,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:57,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:55:57,553 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:57,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:57,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1735018036, now seen corresponding path program 1 times [2024-11-09 23:55:57,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:57,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791777665] [2024-11-09 23:55:57,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:57,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:55:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:55:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:55:57,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:55:57,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791777665] [2024-11-09 23:55:57,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791777665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:55:57,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:55:57,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:55:57,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860474356] [2024-11-09 23:55:57,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:55:57,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:55:57,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:55:57,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:55:57,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:57,634 INFO L87 Difference]: Start difference. First operand 66305 states and 97610 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:58,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:55:58,453 INFO L93 Difference]: Finished difference Result 147499 states and 216817 transitions. [2024-11-09 23:55:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:55:58,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:55:58,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:55:58,583 INFO L225 Difference]: With dead ends: 147499 [2024-11-09 23:55:58,583 INFO L226 Difference]: Without dead ends: 86313 [2024-11-09 23:55:58,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:55:58,627 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 208 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:55:58,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 583 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:55:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86313 states. [2024-11-09 23:55:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86313 to 85782. [2024-11-09 23:55:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85782 states, 85781 states have (on average 1.4532821953579464) internal successors, (124664), 85781 states have internal predecessors, (124664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85782 states to 85782 states and 124664 transitions. [2024-11-09 23:55:59,960 INFO L78 Accepts]: Start accepts. Automaton has 85782 states and 124664 transitions. Word has length 87 [2024-11-09 23:55:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:55:59,960 INFO L471 AbstractCegarLoop]: Abstraction has 85782 states and 124664 transitions. [2024-11-09 23:55:59,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:55:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 85782 states and 124664 transitions. [2024-11-09 23:55:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:55:59,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:55:59,975 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:55:59,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:55:59,976 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:55:59,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:55:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1795216419, now seen corresponding path program 1 times [2024-11-09 23:55:59,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:55:59,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834247125] [2024-11-09 23:55:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:55:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:00,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:00,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834247125] [2024-11-09 23:56:00,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834247125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:00,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:00,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:56:00,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178587240] [2024-11-09 23:56:00,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:00,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:56:00,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:00,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:56:00,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:56:00,080 INFO L87 Difference]: Start difference. First operand 85782 states and 124664 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:00,618 INFO L93 Difference]: Finished difference Result 173131 states and 250944 transitions. [2024-11-09 23:56:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:56:00,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:00,791 INFO L225 Difference]: With dead ends: 173131 [2024-11-09 23:56:00,791 INFO L226 Difference]: Without dead ends: 105839 [2024-11-09 23:56:00,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:56:00,862 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 196 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:00,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 581 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:56:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105839 states. [2024-11-09 23:56:02,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105839 to 105029. [2024-11-09 23:56:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105029 states, 105028 states have (on average 1.430808927143238) internal successors, (150275), 105028 states have internal predecessors, (150275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105029 states to 105029 states and 150275 transitions. [2024-11-09 23:56:02,683 INFO L78 Accepts]: Start accepts. Automaton has 105029 states and 150275 transitions. Word has length 87 [2024-11-09 23:56:02,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:02,684 INFO L471 AbstractCegarLoop]: Abstraction has 105029 states and 150275 transitions. [2024-11-09 23:56:02,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 105029 states and 150275 transitions. [2024-11-09 23:56:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:56:02,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:02,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:56:02,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:56:02,697 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:02,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 274935925, now seen corresponding path program 1 times [2024-11-09 23:56:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:02,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346477934] [2024-11-09 23:56:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:02,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:02,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:02,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346477934] [2024-11-09 23:56:02,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346477934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:02,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:02,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:56:02,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065127528] [2024-11-09 23:56:02,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:02,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:56:02,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:02,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:56:02,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:56:02,768 INFO L87 Difference]: Start difference. First operand 105029 states and 150275 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:03,118 INFO L93 Difference]: Finished difference Result 151937 states and 216621 transitions. [2024-11-09 23:56:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:56:03,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:03,868 INFO L225 Difference]: With dead ends: 151937 [2024-11-09 23:56:03,868 INFO L226 Difference]: Without dead ends: 117519 [2024-11-09 23:56:03,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:56:03,895 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 180 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:03,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 591 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:56:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117519 states. [2024-11-09 23:56:05,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117519 to 102385. [2024-11-09 23:56:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102385 states, 102384 states have (on average 1.4091166588529458) internal successors, (144271), 102384 states have internal predecessors, (144271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102385 states to 102385 states and 144271 transitions. [2024-11-09 23:56:05,602 INFO L78 Accepts]: Start accepts. Automaton has 102385 states and 144271 transitions. Word has length 87 [2024-11-09 23:56:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:05,602 INFO L471 AbstractCegarLoop]: Abstraction has 102385 states and 144271 transitions. [2024-11-09 23:56:05,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 102385 states and 144271 transitions. [2024-11-09 23:56:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:56:05,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:05,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:56:05,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:56:05,616 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:05,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1771149452, now seen corresponding path program 1 times [2024-11-09 23:56:05,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:05,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386782314] [2024-11-09 23:56:05,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:05,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:05,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386782314] [2024-11-09 23:56:05,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386782314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:05,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:05,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:56:05,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142590297] [2024-11-09 23:56:05,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:05,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:56:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:56:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:56:05,815 INFO L87 Difference]: Start difference. First operand 102385 states and 144271 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:07,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:07,290 INFO L93 Difference]: Finished difference Result 246897 states and 349682 transitions. [2024-11-09 23:56:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:56:07,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:07,734 INFO L225 Difference]: With dead ends: 246897 [2024-11-09 23:56:07,734 INFO L226 Difference]: Without dead ends: 215827 [2024-11-09 23:56:07,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:56:07,800 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 1870 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:07,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 1753 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 23:56:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215827 states. [2024-11-09 23:56:09,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215827 to 133087. [2024-11-09 23:56:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133087 states, 133086 states have (on average 1.40805945028027) internal successors, (187393), 133086 states have internal predecessors, (187393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133087 states to 133087 states and 187393 transitions. [2024-11-09 23:56:10,174 INFO L78 Accepts]: Start accepts. Automaton has 133087 states and 187393 transitions. Word has length 87 [2024-11-09 23:56:10,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:10,174 INFO L471 AbstractCegarLoop]: Abstraction has 133087 states and 187393 transitions. [2024-11-09 23:56:10,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 133087 states and 187393 transitions. [2024-11-09 23:56:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:56:10,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:10,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:56:10,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:56:10,184 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:10,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2119936061, now seen corresponding path program 1 times [2024-11-09 23:56:10,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:10,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341258979] [2024-11-09 23:56:10,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:10,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:10,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:10,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341258979] [2024-11-09 23:56:10,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341258979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:10,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:10,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:56:10,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749984991] [2024-11-09 23:56:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:10,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:56:10,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:10,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:56:10,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:56:10,352 INFO L87 Difference]: Start difference. First operand 133087 states and 187393 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:12,129 INFO L93 Difference]: Finished difference Result 282555 states and 399932 transitions. [2024-11-09 23:56:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:56:12,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:12,584 INFO L225 Difference]: With dead ends: 282555 [2024-11-09 23:56:12,584 INFO L226 Difference]: Without dead ends: 246421 [2024-11-09 23:56:12,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:56:12,664 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1855 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:12,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 1813 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:56:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246421 states. [2024-11-09 23:56:15,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246421 to 168852. [2024-11-09 23:56:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168852 states, 168851 states have (on average 1.4078921652818166) internal successors, (237724), 168851 states have internal predecessors, (237724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168852 states to 168852 states and 237724 transitions. [2024-11-09 23:56:15,645 INFO L78 Accepts]: Start accepts. Automaton has 168852 states and 237724 transitions. Word has length 87 [2024-11-09 23:56:15,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:15,646 INFO L471 AbstractCegarLoop]: Abstraction has 168852 states and 237724 transitions. [2024-11-09 23:56:15,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 168852 states and 237724 transitions. [2024-11-09 23:56:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:56:15,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:15,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:56:15,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:56:15,657 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:15,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:15,657 INFO L85 PathProgramCache]: Analyzing trace with hash -905544332, now seen corresponding path program 1 times [2024-11-09 23:56:15,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:15,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565559835] [2024-11-09 23:56:15,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:15,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565559835] [2024-11-09 23:56:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565559835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:15,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:56:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142906997] [2024-11-09 23:56:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:15,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:56:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:15,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:56:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:56:15,825 INFO L87 Difference]: Start difference. First operand 168852 states and 237724 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:17,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:17,427 INFO L93 Difference]: Finished difference Result 327178 states and 462845 transitions. [2024-11-09 23:56:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:56:17,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:17,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:17,850 INFO L225 Difference]: With dead ends: 327178 [2024-11-09 23:56:17,850 INFO L226 Difference]: Without dead ends: 281996 [2024-11-09 23:56:17,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:56:17,951 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 2020 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:17,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 1931 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:56:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281996 states. [2024-11-09 23:56:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281996 to 198807. [2024-11-09 23:56:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198807 states, 198806 states have (on average 1.4086898785750932) internal successors, (280056), 198806 states have internal predecessors, (280056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198807 states to 198807 states and 280056 transitions. [2024-11-09 23:56:22,430 INFO L78 Accepts]: Start accepts. Automaton has 198807 states and 280056 transitions. Word has length 87 [2024-11-09 23:56:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:22,431 INFO L471 AbstractCegarLoop]: Abstraction has 198807 states and 280056 transitions. [2024-11-09 23:56:22,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 198807 states and 280056 transitions. [2024-11-09 23:56:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 23:56:22,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:22,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:56:22,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:56:22,449 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:22,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:22,450 INFO L85 PathProgramCache]: Analyzing trace with hash 649088643, now seen corresponding path program 1 times [2024-11-09 23:56:22,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:22,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349841972] [2024-11-09 23:56:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:22,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349841972] [2024-11-09 23:56:22,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349841972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:22,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:22,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:56:22,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221416448] [2024-11-09 23:56:22,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:22,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:56:22,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:22,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:56:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:56:22,600 INFO L87 Difference]: Start difference. First operand 198807 states and 280056 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:23,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:23,719 INFO L93 Difference]: Finished difference Result 363925 states and 514435 transitions. [2024-11-09 23:56:23,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:56:23,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-09 23:56:23,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:25,082 INFO L225 Difference]: With dead ends: 363925 [2024-11-09 23:56:25,082 INFO L226 Difference]: Without dead ends: 320963 [2024-11-09 23:56:25,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:56:25,122 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 2028 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:25,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 1636 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:56:25,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320963 states. [2024-11-09 23:56:27,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320963 to 218204. [2024-11-09 23:56:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218204 states, 218203 states have (on average 1.4088715553864979) internal successors, (307420), 218203 states have internal predecessors, (307420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218204 states to 218204 states and 307420 transitions. [2024-11-09 23:56:28,480 INFO L78 Accepts]: Start accepts. Automaton has 218204 states and 307420 transitions. Word has length 87 [2024-11-09 23:56:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:56:28,480 INFO L471 AbstractCegarLoop]: Abstraction has 218204 states and 307420 transitions. [2024-11-09 23:56:28,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 218204 states and 307420 transitions. [2024-11-09 23:56:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 23:56:28,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:56:28,489 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] [2024-11-09 23:56:28,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:56:28,489 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:56:28,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:56:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash 432958797, now seen corresponding path program 1 times [2024-11-09 23:56:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:56:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790136282] [2024-11-09 23:56:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:56:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:56:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:56:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:56:28,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:56:28,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790136282] [2024-11-09 23:56:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790136282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:56:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:56:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:56:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137329186] [2024-11-09 23:56:28,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:56:28,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:56:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:56:28,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:56:28,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:56:28,633 INFO L87 Difference]: Start difference. First operand 218204 states and 307420 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:56:30,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:56:30,430 INFO L93 Difference]: Finished difference Result 336379 states and 474631 transitions. [2024-11-09 23:56:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 23:56:30,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-11-09 23:56:30,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:56:30,967 INFO L225 Difference]: With dead ends: 336379 [2024-11-09 23:56:30,967 INFO L226 Difference]: Without dead ends: 327935 [2024-11-09 23:56:31,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 23:56:31,076 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 2140 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:56:31,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 1587 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:56:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327935 states.