./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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/rekcba_aso.2.M1-2.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 fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:48:05,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:48:05,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:48:05,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:48:05,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:48:05,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:48:05,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:48:05,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:48:05,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:48:05,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:48:05,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:48:05,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:48:05,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:48:05,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:48:05,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:48:05,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:48:05,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:48:05,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:48:05,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:48:05,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:48:05,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:48:05,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:48:05,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:48:05,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:48:05,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:48:05,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:48:05,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:48:05,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:48:05,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:48:05,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:48:05,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:48:05,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:48:05,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:48:05,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:48:05,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:48:05,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:48:05,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:48:05,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:48:05,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:48:05,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:48:05,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:48:05,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:48:05,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 [2024-11-18 14:48:06,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:48:06,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:48:06,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:48:06,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:48:06,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:48:06,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2024-11-18 14:48:07,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:48:07,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:48:07,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2024-11-18 14:48:07,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/799361df2/83f43250255249c2a3b33910d94eb13b/FLAGeaa13f721 [2024-11-18 14:48:07,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/799361df2/83f43250255249c2a3b33910d94eb13b [2024-11-18 14:48:07,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:48:07,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:48:07,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:48:07,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:48:07,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:48:07,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e662bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:07, skipping insertion in model container [2024-11-18 14:48:07,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:48:07" (1/1) ... [2024-11-18 14:48:07,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:48:08,111 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/rekcba_aso.2.M1-2.c[2320,2333] [2024-11-18 14:48:08,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:48:08,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:48:08,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [53] [2024-11-18 14:48:08,430 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/rekcba_aso.2.M1-2.c[2320,2333] [2024-11-18 14:48:08,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:48:08,613 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:48:08,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08 WrapperNode [2024-11-18 14:48:08,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:48:08,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:48:08,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:48:08,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:48:08,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,811 INFO L138 Inliner]: procedures = 64, calls = 2411, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4958 [2024-11-18 14:48:08,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:48:08,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:48:08,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:48:08,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:48:08,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,918 INFO L175 MemorySlicer]: Split 1843 memory accesses to 27 slices as follows [2, 2, 8, 4, 2, 50, 5, 3, 50, 5, 7, 3, 264, 292, 158, 112, 63, 8, 57, 82, 105, 82, 105, 82, 105, 82, 105]. 16 percent of accesses are in the largest equivalence class. The 280 initializations are split as follows [0, 0, 0, 0, 2, 0, 2, 1, 0, 2, 2, 1, 24, 24, 2, 2, 1, 0, 1, 27, 27, 27, 27, 27, 27, 27, 27]. The 339 writes are split as follows [1, 1, 4, 0, 0, 26, 1, 1, 26, 1, 3, 1, 24, 24, 2, 2, 1, 4, 1, 28, 26, 28, 26, 28, 26, 28, 26]. [2024-11-18 14:48:08,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:08,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:48:09,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:48:09,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:48:09,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:48:09,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (1/1) ... [2024-11-18 14:48:09,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:48:09,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:48:09,262 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) [2024-11-18 14:48:09,264 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 [2024-11-18 14:48:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:48:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-18 14:48:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-18 14:48:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:48:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:48:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:48:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:48:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-18 14:48:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-18 14:48:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-18 14:48:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-18 14:48:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:48:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:48:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-18 14:48:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:48:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-18 14:48:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-18 14:48:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:48:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:48:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-18 14:48:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-18 14:48:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-18 14:48:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-18 14:48:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:48:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:48:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:48:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:48:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-18 14:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 14:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:48:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:48:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:48:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:48:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:48:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:48:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:48:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-18 14:48:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-18 14:48:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-18 14:48:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-18 14:48:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-18 14:48:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:48:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:48:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-18 14:48:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-18 14:48:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-18 14:48:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 14:48:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:48:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:48:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:48:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:48:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-18 14:48:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:48:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:48:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:48:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:48:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-18 14:48:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-18 14:48:09,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:48:09,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:48:16,418 INFO L? ?]: Removed 259 outVars from TransFormulas that were not future-live. [2024-11-18 14:48:16,419 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:48:16,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:48:16,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:48:16,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:16 BoogieIcfgContainer [2024-11-18 14:48:16,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:48:16,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:48:16,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:48:16,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:48:16,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:48:07" (1/3) ... [2024-11-18 14:48:16,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2970dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:16, skipping insertion in model container [2024-11-18 14:48:16,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:48:08" (2/3) ... [2024-11-18 14:48:16,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2970dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:48:16, skipping insertion in model container [2024-11-18 14:48:16,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:48:16" (3/3) ... [2024-11-18 14:48:16,460 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-2.c [2024-11-18 14:48:16,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:48:16,475 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:48:16,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:48:16,568 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;@5c8962de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:48:16,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:48:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 1428 states, 896 states have (on average 1.2712053571428572) internal successors, (1139), 928 states have internal predecessors, (1139), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (509), 506 states have call predecessors, (509), 509 states have call successors, (509) [2024-11-18 14:48:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2024-11-18 14:48:16,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:16,644 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:16,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:16,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1248677417, now seen corresponding path program 1 times [2024-11-18 14:48:16,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:16,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879626997] [2024-11-18 14:48:16,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2024-11-18 14:48:18,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:18,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879626997] [2024-11-18 14:48:18,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879626997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:48:18,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552398757] [2024-11-18 14:48:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:18,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:48:18,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:48:18,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:48:18,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:48:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:19,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 3970 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 14:48:19,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:48:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2024-11-18 14:48:19,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:48:19,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552398757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:19,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:48:19,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 14:48:19,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824838450] [2024-11-18 14:48:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:19,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:48:19,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:19,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:48:19,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:48:19,419 INFO L87 Difference]: Start difference. First operand has 1428 states, 896 states have (on average 1.2712053571428572) internal successors, (1139), 928 states have internal predecessors, (1139), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (509), 506 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2024-11-18 14:48:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:19,536 INFO L93 Difference]: Finished difference Result 2851 states and 4797 transitions. [2024-11-18 14:48:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:48:19,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) Word has length 1034 [2024-11-18 14:48:19,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:19,566 INFO L225 Difference]: With dead ends: 2851 [2024-11-18 14:48:19,570 INFO L226 Difference]: Without dead ends: 1420 [2024-11-18 14:48:19,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:48:19,590 INFO L432 NwaCegarLoop]: 2154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:19,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:48:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-18 14:48:19,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2024-11-18 14:48:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 889 states have (on average 1.2688413948256467) internal successors, (1128), 921 states have internal predecessors, (1128), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (508), 505 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-18 14:48:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2145 transitions. [2024-11-18 14:48:19,858 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2145 transitions. Word has length 1034 [2024-11-18 14:48:19,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:19,859 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 2145 transitions. [2024-11-18 14:48:19,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2024-11-18 14:48:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2145 transitions. [2024-11-18 14:48:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2024-11-18 14:48:19,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:19,901 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:19,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 14:48:20,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 14:48:20,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:20,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1722063991, now seen corresponding path program 1 times [2024-11-18 14:48:20,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:20,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846869025] [2024-11-18 14:48:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:20,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2024-11-18 14:48:24,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846869025] [2024-11-18 14:48:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846869025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:24,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:24,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:24,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946727404] [2024-11-18 14:48:24,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:24,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:24,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:24,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:24,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:24,251 INFO L87 Difference]: Start difference. First operand 1420 states and 2145 transitions. Second operand has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2024-11-18 14:48:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:24,612 INFO L93 Difference]: Finished difference Result 2125 states and 3175 transitions. [2024-11-18 14:48:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:24,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) Word has length 1034 [2024-11-18 14:48:24,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:24,632 INFO L225 Difference]: With dead ends: 2125 [2024-11-18 14:48:24,632 INFO L226 Difference]: Without dead ends: 2123 [2024-11-18 14:48:24,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:24,637 INFO L432 NwaCegarLoop]: 2177 mSDtfsCounter, 1667 mSDsluCounter, 7478 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 9655 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:24,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 9655 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-18 14:48:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2121. [2024-11-18 14:48:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1298 states have (on average 1.2442218798151001) internal successors, (1615), 1361 states have internal predecessors, (1615), 779 states have call successors, (779), 42 states have call predecessors, (779), 43 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3172 transitions. [2024-11-18 14:48:24,854 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3172 transitions. Word has length 1034 [2024-11-18 14:48:24,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:24,860 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3172 transitions. [2024-11-18 14:48:24,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2024-11-18 14:48:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3172 transitions. [2024-11-18 14:48:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2024-11-18 14:48:24,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:24,877 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:24,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:48:24,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:24,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:24,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1161084153, now seen corresponding path program 1 times [2024-11-18 14:48:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:24,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591303929] [2024-11-18 14:48:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 37266 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2024-11-18 14:48:28,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:28,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591303929] [2024-11-18 14:48:28,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591303929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:28,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:28,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009480108] [2024-11-18 14:48:28,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:28,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:28,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:28,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:28,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:28,135 INFO L87 Difference]: Start difference. First operand 2121 states and 3172 transitions. Second operand has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2024-11-18 14:48:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:28,447 INFO L93 Difference]: Finished difference Result 2129 states and 3178 transitions. [2024-11-18 14:48:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) Word has length 1040 [2024-11-18 14:48:28,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:28,462 INFO L225 Difference]: With dead ends: 2129 [2024-11-18 14:48:28,462 INFO L226 Difference]: Without dead ends: 2127 [2024-11-18 14:48:28,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:28,464 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1662 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:28,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2024-11-18 14:48:28,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2125. [2024-11-18 14:48:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1301 states have (on average 1.2436587240584167) internal successors, (1618), 1364 states have internal predecessors, (1618), 779 states have call successors, (779), 43 states have call predecessors, (779), 44 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3175 transitions. [2024-11-18 14:48:28,649 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3175 transitions. Word has length 1040 [2024-11-18 14:48:28,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:28,651 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3175 transitions. [2024-11-18 14:48:28,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2024-11-18 14:48:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3175 transitions. [2024-11-18 14:48:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2024-11-18 14:48:28,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:28,668 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:28,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:48:28,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:28,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:28,670 INFO L85 PathProgramCache]: Analyzing trace with hash -370833771, now seen corresponding path program 1 times [2024-11-18 14:48:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103273643] [2024-11-18 14:48:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 37272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37268 trivial. 0 not checked. [2024-11-18 14:48:31,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:31,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103273643] [2024-11-18 14:48:31,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103273643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:31,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:31,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:31,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868672382] [2024-11-18 14:48:31,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:31,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:31,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:31,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:31,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:31,798 INFO L87 Difference]: Start difference. First operand 2125 states and 3175 transitions. Second operand has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2024-11-18 14:48:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:32,099 INFO L93 Difference]: Finished difference Result 2133 states and 3181 transitions. [2024-11-18 14:48:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:32,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) Word has length 1046 [2024-11-18 14:48:32,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:32,113 INFO L225 Difference]: With dead ends: 2133 [2024-11-18 14:48:32,113 INFO L226 Difference]: Without dead ends: 2131 [2024-11-18 14:48:32,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:32,117 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1660 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:32,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:32,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2024-11-18 14:48:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2129. [2024-11-18 14:48:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 1304 states have (on average 1.2430981595092025) internal successors, (1621), 1367 states have internal predecessors, (1621), 779 states have call successors, (779), 44 states have call predecessors, (779), 45 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 3178 transitions. [2024-11-18 14:48:32,308 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 3178 transitions. Word has length 1046 [2024-11-18 14:48:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:32,310 INFO L471 AbstractCegarLoop]: Abstraction has 2129 states and 3178 transitions. [2024-11-18 14:48:32,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2024-11-18 14:48:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3178 transitions. [2024-11-18 14:48:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2024-11-18 14:48:32,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:32,325 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:32,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:48:32,326 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:32,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:32,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2050830497, now seen corresponding path program 1 times [2024-11-18 14:48:32,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:32,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145061762] [2024-11-18 14:48:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 37282 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37276 trivial. 0 not checked. [2024-11-18 14:48:34,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:34,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145061762] [2024-11-18 14:48:34,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145061762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:34,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:34,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337706463] [2024-11-18 14:48:34,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:34,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:34,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:34,867 INFO L87 Difference]: Start difference. First operand 2129 states and 3178 transitions. Second operand has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2024-11-18 14:48:35,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:35,193 INFO L93 Difference]: Finished difference Result 2137 states and 3184 transitions. [2024-11-18 14:48:35,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:35,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) Word has length 1052 [2024-11-18 14:48:35,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:35,206 INFO L225 Difference]: With dead ends: 2137 [2024-11-18 14:48:35,207 INFO L226 Difference]: Without dead ends: 2135 [2024-11-18 14:48:35,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:35,209 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1658 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:35,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2024-11-18 14:48:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 2133. [2024-11-18 14:48:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 1307 states have (on average 1.242540168324407) internal successors, (1624), 1370 states have internal predecessors, (1624), 779 states have call successors, (779), 45 states have call predecessors, (779), 46 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3181 transitions. [2024-11-18 14:48:35,397 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3181 transitions. Word has length 1052 [2024-11-18 14:48:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:35,398 INFO L471 AbstractCegarLoop]: Abstraction has 2133 states and 3181 transitions. [2024-11-18 14:48:35,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2024-11-18 14:48:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3181 transitions. [2024-11-18 14:48:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2024-11-18 14:48:35,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:35,416 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:35,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:48:35,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:35,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:35,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1895896405, now seen corresponding path program 1 times [2024-11-18 14:48:35,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:35,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32897416] [2024-11-18 14:48:35,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:35,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 37296 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37288 trivial. 0 not checked. [2024-11-18 14:48:38,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:38,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32897416] [2024-11-18 14:48:38,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32897416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:38,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:38,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:38,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595014287] [2024-11-18 14:48:38,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:38,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:38,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:38,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:38,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:38,273 INFO L87 Difference]: Start difference. First operand 2133 states and 3181 transitions. Second operand has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2024-11-18 14:48:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:38,558 INFO L93 Difference]: Finished difference Result 2141 states and 3187 transitions. [2024-11-18 14:48:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:38,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) Word has length 1058 [2024-11-18 14:48:38,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:38,575 INFO L225 Difference]: With dead ends: 2141 [2024-11-18 14:48:38,576 INFO L226 Difference]: Without dead ends: 2139 [2024-11-18 14:48:38,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:38,580 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1656 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:38,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-11-18 14:48:38,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2137. [2024-11-18 14:48:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 1310 states have (on average 1.2419847328244276) internal successors, (1627), 1373 states have internal predecessors, (1627), 779 states have call successors, (779), 46 states have call predecessors, (779), 47 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3184 transitions. [2024-11-18 14:48:38,765 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3184 transitions. Word has length 1058 [2024-11-18 14:48:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:38,767 INFO L471 AbstractCegarLoop]: Abstraction has 2137 states and 3184 transitions. [2024-11-18 14:48:38,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2024-11-18 14:48:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3184 transitions. [2024-11-18 14:48:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2024-11-18 14:48:38,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:38,782 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:38,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:48:38,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:38,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1433256397, now seen corresponding path program 1 times [2024-11-18 14:48:38,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:38,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51991701] [2024-11-18 14:48:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37314 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37304 trivial. 0 not checked. [2024-11-18 14:48:41,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51991701] [2024-11-18 14:48:41,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51991701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:41,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:41,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:41,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344417628] [2024-11-18 14:48:41,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:41,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:41,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:41,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:41,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:41,303 INFO L87 Difference]: Start difference. First operand 2137 states and 3184 transitions. Second operand has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2024-11-18 14:48:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:41,610 INFO L93 Difference]: Finished difference Result 2145 states and 3190 transitions. [2024-11-18 14:48:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:41,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) Word has length 1064 [2024-11-18 14:48:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:41,623 INFO L225 Difference]: With dead ends: 2145 [2024-11-18 14:48:41,624 INFO L226 Difference]: Without dead ends: 2143 [2024-11-18 14:48:41,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:41,626 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1654 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:41,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2024-11-18 14:48:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2141. [2024-11-18 14:48:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 1313 states have (on average 1.2414318354912415) internal successors, (1630), 1376 states have internal predecessors, (1630), 779 states have call successors, (779), 47 states have call predecessors, (779), 48 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 3187 transitions. [2024-11-18 14:48:41,826 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 3187 transitions. Word has length 1064 [2024-11-18 14:48:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:41,827 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 3187 transitions. [2024-11-18 14:48:41,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2024-11-18 14:48:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 3187 transitions. [2024-11-18 14:48:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2024-11-18 14:48:41,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:41,843 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:41,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:48:41,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:41,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1324455097, now seen corresponding path program 1 times [2024-11-18 14:48:41,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:41,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926370507] [2024-11-18 14:48:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:41,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 37324 trivial. 0 not checked. [2024-11-18 14:48:44,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926370507] [2024-11-18 14:48:44,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926370507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:44,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:44,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:44,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073290929] [2024-11-18 14:48:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:44,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:44,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:44,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:44,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:44,624 INFO L87 Difference]: Start difference. First operand 2141 states and 3187 transitions. Second operand has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2024-11-18 14:48:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:44,937 INFO L93 Difference]: Finished difference Result 2149 states and 3193 transitions. [2024-11-18 14:48:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) Word has length 1070 [2024-11-18 14:48:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:44,952 INFO L225 Difference]: With dead ends: 2149 [2024-11-18 14:48:44,952 INFO L226 Difference]: Without dead ends: 2147 [2024-11-18 14:48:44,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:44,956 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1652 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:44,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2024-11-18 14:48:45,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2145. [2024-11-18 14:48:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 1316 states have (on average 1.2408814589665653) internal successors, (1633), 1379 states have internal predecessors, (1633), 779 states have call successors, (779), 48 states have call predecessors, (779), 49 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3190 transitions. [2024-11-18 14:48:45,166 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3190 transitions. Word has length 1070 [2024-11-18 14:48:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:45,167 INFO L471 AbstractCegarLoop]: Abstraction has 2145 states and 3190 transitions. [2024-11-18 14:48:45,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2024-11-18 14:48:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3190 transitions. [2024-11-18 14:48:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2024-11-18 14:48:45,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:45,185 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:45,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:48:45,185 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:45,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash -66963523, now seen corresponding path program 1 times [2024-11-18 14:48:45,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:45,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849645289] [2024-11-18 14:48:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 37362 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37348 trivial. 0 not checked. [2024-11-18 14:48:47,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:47,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849645289] [2024-11-18 14:48:47,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849645289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:47,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:47,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:47,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076115541] [2024-11-18 14:48:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:47,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:47,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:47,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:47,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:47,824 INFO L87 Difference]: Start difference. First operand 2145 states and 3190 transitions. Second operand has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2024-11-18 14:48:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:48,138 INFO L93 Difference]: Finished difference Result 2153 states and 3196 transitions. [2024-11-18 14:48:48,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:48,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) Word has length 1076 [2024-11-18 14:48:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:48,150 INFO L225 Difference]: With dead ends: 2153 [2024-11-18 14:48:48,151 INFO L226 Difference]: Without dead ends: 2151 [2024-11-18 14:48:48,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:48,153 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1650 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:48,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:48,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2024-11-18 14:48:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2149. [2024-11-18 14:48:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1319 states have (on average 1.240333586050038) internal successors, (1636), 1382 states have internal predecessors, (1636), 779 states have call successors, (779), 49 states have call predecessors, (779), 50 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3193 transitions. [2024-11-18 14:48:48,367 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3193 transitions. Word has length 1076 [2024-11-18 14:48:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:48,368 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3193 transitions. [2024-11-18 14:48:48,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2024-11-18 14:48:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3193 transitions. [2024-11-18 14:48:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2024-11-18 14:48:48,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:48,381 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:48,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:48:48,382 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:48,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:48,382 INFO L85 PathProgramCache]: Analyzing trace with hash 200036543, now seen corresponding path program 1 times [2024-11-18 14:48:48,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:48,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342665885] [2024-11-18 14:48:48,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:48,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 37392 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 37376 trivial. 0 not checked. [2024-11-18 14:48:50,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:50,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342665885] [2024-11-18 14:48:50,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342665885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:50,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:50,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:50,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728198575] [2024-11-18 14:48:50,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:50,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:50,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:50,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:50,933 INFO L87 Difference]: Start difference. First operand 2149 states and 3193 transitions. Second operand has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2024-11-18 14:48:51,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:51,230 INFO L93 Difference]: Finished difference Result 2157 states and 3199 transitions. [2024-11-18 14:48:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:51,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) Word has length 1082 [2024-11-18 14:48:51,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:51,241 INFO L225 Difference]: With dead ends: 2157 [2024-11-18 14:48:51,242 INFO L226 Difference]: Without dead ends: 2155 [2024-11-18 14:48:51,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:51,243 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1648 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:51,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:51,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2024-11-18 14:48:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2153. [2024-11-18 14:48:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1322 states have (on average 1.239788199697428) internal successors, (1639), 1385 states have internal predecessors, (1639), 779 states have call successors, (779), 50 states have call predecessors, (779), 51 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3196 transitions. [2024-11-18 14:48:51,598 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3196 transitions. Word has length 1082 [2024-11-18 14:48:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:51,600 INFO L471 AbstractCegarLoop]: Abstraction has 2153 states and 3196 transitions. [2024-11-18 14:48:51,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2024-11-18 14:48:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3196 transitions. [2024-11-18 14:48:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2024-11-18 14:48:51,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:51,621 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:51,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:48:51,622 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:51,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash -311236289, now seen corresponding path program 1 times [2024-11-18 14:48:51,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:51,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878807660] [2024-11-18 14:48:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:51,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 37426 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37408 trivial. 0 not checked. [2024-11-18 14:48:54,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:54,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878807660] [2024-11-18 14:48:54,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878807660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:54,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:54,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:54,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784281404] [2024-11-18 14:48:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:54,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:54,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:54,526 INFO L87 Difference]: Start difference. First operand 2153 states and 3196 transitions. Second operand has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2024-11-18 14:48:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:54,839 INFO L93 Difference]: Finished difference Result 2161 states and 3202 transitions. [2024-11-18 14:48:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:54,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) Word has length 1088 [2024-11-18 14:48:54,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:54,851 INFO L225 Difference]: With dead ends: 2161 [2024-11-18 14:48:54,851 INFO L226 Difference]: Without dead ends: 2159 [2024-11-18 14:48:54,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:54,853 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1646 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:54,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2024-11-18 14:48:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2157. [2024-11-18 14:48:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1325 states have (on average 1.2392452830188678) internal successors, (1642), 1388 states have internal predecessors, (1642), 779 states have call successors, (779), 51 states have call predecessors, (779), 52 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3199 transitions. [2024-11-18 14:48:55,076 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3199 transitions. Word has length 1088 [2024-11-18 14:48:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:55,077 INFO L471 AbstractCegarLoop]: Abstraction has 2157 states and 3199 transitions. [2024-11-18 14:48:55,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2024-11-18 14:48:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3199 transitions. [2024-11-18 14:48:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2024-11-18 14:48:55,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:55,089 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:55,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:48:55,090 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:55,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:55,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1011608253, now seen corresponding path program 1 times [2024-11-18 14:48:55,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:55,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255001221] [2024-11-18 14:48:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:55,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:48:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 37464 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 37444 trivial. 0 not checked. [2024-11-18 14:48:57,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:48:57,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255001221] [2024-11-18 14:48:57,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255001221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:48:57,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:48:57,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:48:57,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135078675] [2024-11-18 14:48:57,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:48:57,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:48:57,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:48:57,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:48:57,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:48:57,986 INFO L87 Difference]: Start difference. First operand 2157 states and 3199 transitions. Second operand has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2024-11-18 14:48:58,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:48:58,290 INFO L93 Difference]: Finished difference Result 2165 states and 3205 transitions. [2024-11-18 14:48:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:48:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) Word has length 1094 [2024-11-18 14:48:58,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:48:58,312 INFO L225 Difference]: With dead ends: 2165 [2024-11-18 14:48:58,315 INFO L226 Difference]: Without dead ends: 2163 [2024-11-18 14:48:58,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:48:58,317 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1644 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:48:58,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:48:58,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2024-11-18 14:48:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 2161. [2024-11-18 14:48:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 1328 states have (on average 1.2387048192771084) internal successors, (1645), 1391 states have internal predecessors, (1645), 779 states have call successors, (779), 52 states have call predecessors, (779), 53 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:48:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 3202 transitions. [2024-11-18 14:48:58,547 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 3202 transitions. Word has length 1094 [2024-11-18 14:48:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:48:58,548 INFO L471 AbstractCegarLoop]: Abstraction has 2161 states and 3202 transitions. [2024-11-18 14:48:58,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2024-11-18 14:48:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 3202 transitions. [2024-11-18 14:48:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2024-11-18 14:48:58,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:48:58,564 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:48:58,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:48:58,565 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:48:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:48:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash 930619065, now seen corresponding path program 1 times [2024-11-18 14:48:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:48:58,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579982556] [2024-11-18 14:48:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:48:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:48:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 37506 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 37484 trivial. 0 not checked. [2024-11-18 14:49:01,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:01,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579982556] [2024-11-18 14:49:01,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579982556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:01,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:01,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:01,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634547489] [2024-11-18 14:49:01,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:01,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:01,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:01,486 INFO L87 Difference]: Start difference. First operand 2161 states and 3202 transitions. Second operand has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2024-11-18 14:49:01,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:01,764 INFO L93 Difference]: Finished difference Result 2169 states and 3208 transitions. [2024-11-18 14:49:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:01,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) Word has length 1100 [2024-11-18 14:49:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:01,774 INFO L225 Difference]: With dead ends: 2169 [2024-11-18 14:49:01,774 INFO L226 Difference]: Without dead ends: 2167 [2024-11-18 14:49:01,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:01,776 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1642 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:01,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:49:01,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2024-11-18 14:49:01,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2165. [2024-11-18 14:49:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 1331 states have (on average 1.2381667918858001) internal successors, (1648), 1394 states have internal predecessors, (1648), 779 states have call successors, (779), 53 states have call predecessors, (779), 54 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:49:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3205 transitions. [2024-11-18 14:49:02,001 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3205 transitions. Word has length 1100 [2024-11-18 14:49:02,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:02,002 INFO L471 AbstractCegarLoop]: Abstraction has 2165 states and 3205 transitions. [2024-11-18 14:49:02,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2024-11-18 14:49:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3205 transitions. [2024-11-18 14:49:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2024-11-18 14:49:02,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:02,015 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:02,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:49:02,015 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:02,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 362491571, now seen corresponding path program 1 times [2024-11-18 14:49:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:02,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977300666] [2024-11-18 14:49:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:02,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37552 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 37528 trivial. 0 not checked. [2024-11-18 14:49:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:04,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977300666] [2024-11-18 14:49:04,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977300666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:04,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:04,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:04,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597575297] [2024-11-18 14:49:04,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:04,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:04,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:04,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:04,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:04,873 INFO L87 Difference]: Start difference. First operand 2165 states and 3205 transitions. Second operand has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2024-11-18 14:49:05,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:05,164 INFO L93 Difference]: Finished difference Result 2173 states and 3211 transitions. [2024-11-18 14:49:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:05,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) Word has length 1106 [2024-11-18 14:49:05,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:05,173 INFO L225 Difference]: With dead ends: 2173 [2024-11-18 14:49:05,173 INFO L226 Difference]: Without dead ends: 2171 [2024-11-18 14:49:05,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:05,175 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1640 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:05,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:49:05,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2024-11-18 14:49:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2169. [2024-11-18 14:49:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 1334 states have (on average 1.237631184407796) internal successors, (1651), 1397 states have internal predecessors, (1651), 779 states have call successors, (779), 54 states have call predecessors, (779), 55 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:49:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 3208 transitions. [2024-11-18 14:49:05,427 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 3208 transitions. Word has length 1106 [2024-11-18 14:49:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:05,428 INFO L471 AbstractCegarLoop]: Abstraction has 2169 states and 3208 transitions. [2024-11-18 14:49:05,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2024-11-18 14:49:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 3208 transitions. [2024-11-18 14:49:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2024-11-18 14:49:05,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:05,440 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:05,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:49:05,440 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:05,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1219255253, now seen corresponding path program 1 times [2024-11-18 14:49:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:05,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236138783] [2024-11-18 14:49:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 37602 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37576 trivial. 0 not checked. [2024-11-18 14:49:08,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:08,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236138783] [2024-11-18 14:49:08,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236138783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:08,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:08,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:08,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139101620] [2024-11-18 14:49:08,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:08,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:08,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:08,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:08,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:08,474 INFO L87 Difference]: Start difference. First operand 2169 states and 3208 transitions. Second operand has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2024-11-18 14:49:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:08,772 INFO L93 Difference]: Finished difference Result 2177 states and 3214 transitions. [2024-11-18 14:49:08,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:08,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) Word has length 1112 [2024-11-18 14:49:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:08,781 INFO L225 Difference]: With dead ends: 2177 [2024-11-18 14:49:08,781 INFO L226 Difference]: Without dead ends: 2175 [2024-11-18 14:49:08,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:08,782 INFO L432 NwaCegarLoop]: 2180 mSDtfsCounter, 1638 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 9662 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:08,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 9662 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:49:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2175 states. [2024-11-18 14:49:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2175 to 2173. [2024-11-18 14:49:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1337 states have (on average 1.2370979805534779) internal successors, (1654), 1400 states have internal predecessors, (1654), 779 states have call successors, (779), 55 states have call predecessors, (779), 56 states have return successors, (778), 772 states have call predecessors, (778), 777 states have call successors, (778) [2024-11-18 14:49:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 3211 transitions. [2024-11-18 14:49:09,029 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 3211 transitions. Word has length 1112 [2024-11-18 14:49:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:09,030 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 3211 transitions. [2024-11-18 14:49:09,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2024-11-18 14:49:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 3211 transitions. [2024-11-18 14:49:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2024-11-18 14:49:09,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:09,042 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:09,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 14:49:09,043 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:09,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:09,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1962751993, now seen corresponding path program 1 times [2024-11-18 14:49:09,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:09,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342023154] [2024-11-18 14:49:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 37817 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37813 trivial. 0 not checked. [2024-11-18 14:49:10,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:10,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342023154] [2024-11-18 14:49:10,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342023154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:10,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:10,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540657661] [2024-11-18 14:49:10,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:10,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:10,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:10,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:10,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:10,154 INFO L87 Difference]: Start difference. First operand 2173 states and 3211 transitions. Second operand has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 4 states have call successors, (146), 2 states have call predecessors, (146), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) [2024-11-18 14:49:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:12,443 INFO L93 Difference]: Finished difference Result 3811 states and 5613 transitions. [2024-11-18 14:49:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:12,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 4 states have call successors, (146), 2 states have call predecessors, (146), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) Word has length 1112 [2024-11-18 14:49:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:12,454 INFO L225 Difference]: With dead ends: 3811 [2024-11-18 14:49:12,454 INFO L226 Difference]: Without dead ends: 2335 [2024-11-18 14:49:12,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:49:12,461 INFO L432 NwaCegarLoop]: 2237 mSDtfsCounter, 2734 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:12,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 3849 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-18 14:49:12,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2024-11-18 14:49:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2335. [2024-11-18 14:49:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 1451 states have (on average 1.2453480358373537) internal successors, (1807), 1514 states have internal predecessors, (1807), 811 states have call successors, (811), 71 states have call predecessors, (811), 72 states have return successors, (810), 804 states have call predecessors, (810), 809 states have call successors, (810) [2024-11-18 14:49:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3428 transitions. [2024-11-18 14:49:12,682 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3428 transitions. Word has length 1112 [2024-11-18 14:49:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:12,682 INFO L471 AbstractCegarLoop]: Abstraction has 2335 states and 3428 transitions. [2024-11-18 14:49:12,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 4 states have call successors, (146), 2 states have call predecessors, (146), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) [2024-11-18 14:49:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3428 transitions. [2024-11-18 14:49:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2024-11-18 14:49:12,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:12,695 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:12,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:49:12,695 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:12,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 688448169, now seen corresponding path program 1 times [2024-11-18 14:49:12,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:12,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046599499] [2024-11-18 14:49:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 37822 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 37818 trivial. 0 not checked. [2024-11-18 14:49:13,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:13,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046599499] [2024-11-18 14:49:13,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046599499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:49:13,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143491463] [2024-11-18 14:49:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:13,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:49:13,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:49:13,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 14:49:13,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 14:49:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:15,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 4240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 14:49:15,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 14:49:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 37822 backedges. 13867 proven. 0 refuted. 0 times theorem prover too weak. 23955 trivial. 0 not checked. [2024-11-18 14:49:15,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 14:49:15,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143491463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:15,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 14:49:15,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-18 14:49:15,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157085439] [2024-11-18 14:49:15,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:15,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:49:15,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:15,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:49:15,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:49:15,245 INFO L87 Difference]: Start difference. First operand 2335 states and 3428 transitions. Second operand has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (147), 3 states have call predecessors, (147), 3 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) [2024-11-18 14:49:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:49:17,388 INFO L93 Difference]: Finished difference Result 5199 states and 7698 transitions. [2024-11-18 14:49:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:49:17,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (147), 3 states have call predecessors, (147), 3 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) Word has length 1117 [2024-11-18 14:49:17,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:49:17,410 INFO L225 Difference]: With dead ends: 5199 [2024-11-18 14:49:17,410 INFO L226 Difference]: Without dead ends: 3569 [2024-11-18 14:49:17,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 1116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:49:17,423 INFO L432 NwaCegarLoop]: 2885 mSDtfsCounter, 2038 mSDsluCounter, 3859 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2038 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-18 14:49:17,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2038 Valid, 6744 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2159 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-18 14:49:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3569 states. [2024-11-18 14:49:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3569 to 3283. [2024-11-18 14:49:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 1995 states have (on average 1.2290726817042608) internal successors, (2452), 2110 states have internal predecessors, (2452), 1185 states have call successors, (1185), 101 states have call predecessors, (1185), 102 states have return successors, (1240), 1174 states have call predecessors, (1240), 1183 states have call successors, (1240) [2024-11-18 14:49:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4877 transitions. [2024-11-18 14:49:17,749 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4877 transitions. Word has length 1117 [2024-11-18 14:49:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:49:17,750 INFO L471 AbstractCegarLoop]: Abstraction has 3283 states and 4877 transitions. [2024-11-18 14:49:17,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (147), 3 states have call predecessors, (147), 3 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) [2024-11-18 14:49:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4877 transitions. [2024-11-18 14:49:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2024-11-18 14:49:17,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:49:17,768 INFO L215 NwaCegarLoop]: trace histogram [137, 137, 137, 15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:49:17,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 14:49:17,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-18 14:49:17,969 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:49:17,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:49:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash 932374689, now seen corresponding path program 1 times [2024-11-18 14:49:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:49:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352413982] [2024-11-18 14:49:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:49:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:49:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:49:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 37656 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 37628 trivial. 0 not checked. [2024-11-18 14:49:21,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:49:21,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352413982] [2024-11-18 14:49:21,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352413982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:49:21,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:49:21,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:49:21,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367341101] [2024-11-18 14:49:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:49:21,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:49:21,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:49:21,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:49:21,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:49:21,121 INFO L87 Difference]: Start difference. First operand 3283 states and 4877 transitions. Second operand has 6 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 2 states have call successors, (152), 2 states have call predecessors, (152), 1 states have return successors, (151), 1 states have call predecessors, (151), 1 states have call successors, (151)