./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya --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 78258e8e1e0a9153dcadc40b279c1b949f89012dbb716c6b1987705528a7bf55 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:55:30,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:55:30,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 23:55:30,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:55:30,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:55:30,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:55:30,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:55:30,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:55:30,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:55:30,745 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:55:30,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:55:30,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:55:30,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:55:30,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:55:30,748 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:55:30,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:55:30,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:55:30,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:55:30,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:55:30,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:55:30,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:55:30,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:55:30,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:55:30,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:55:30,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:55:30,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:55:30,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:55:30,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:55:30,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:55:30,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:55:30,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:55:30,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:55:30,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:55:30,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:55:30,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:55:30,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:55:30,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:55:30,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:55:30,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:55:30,757 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:55:30,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:55:30,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:55:30,758 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78258e8e1e0a9153dcadc40b279c1b949f89012dbb716c6b1987705528a7bf55 [2023-11-28 23:55:30,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:55:30,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:55:30,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:55:30,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:55:30,994 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:55:30,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c [2023-11-28 23:55:33,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:55:34,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:55:34,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c [2023-11-28 23:55:34,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/data/288b65084/ec7c5d47550240cda4db930d0129ac46/FLAG7eba8403a [2023-11-28 23:55:34,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/data/288b65084/ec7c5d47550240cda4db930d0129ac46 [2023-11-28 23:55:34,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:55:34,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:55:34,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:55:34,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:55:34,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:55:34,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:34" (1/1) ... [2023-11-28 23:55:34,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6308caa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:34, skipping insertion in model container [2023-11-28 23:55:34,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:34" (1/1) ... [2023-11-28 23:55:34,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:55:34,784 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c[2267,2280] [2023-11-28 23:55:35,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:55:35,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:55:35,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug3.i","-S") [51] [2023-11-28 23:55:35,792 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.3-2.c[2267,2280] [2023-11-28 23:55:36,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:55:36,560 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:55:36,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36 WrapperNode [2023-11-28 23:55:36,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:55:36,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:55:36,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:55:36,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:55:36,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:36,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:37,886 INFO L138 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 40247 [2023-11-28 23:55:37,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:55:37,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:55:37,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:55:37,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:55:37,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:37,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:38,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:38,500 INFO L175 MemorySlicer]: Split 11460 memory accesses to 57 slices as follows [2, 25, 25, 25, 13, 769, 1081, 925, 985, 1045, 841, 642, 462, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124]. 9 percent of accesses are in the largest equivalence class. The 56 initializations are split as follows [2, 12, 12, 12, 6, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 1986 writes are split as follows [0, 1, 1, 1, 1, 13, 13, 13, 13, 13, 13, 6, 6, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42]. [2023-11-28 23:55:38,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:38,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:39,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:39,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:39,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:39,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:39,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:55:39,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:55:39,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:55:39,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:55:39,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (1/1) ... [2023-11-28 23:55:40,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:55:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:55:40,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:55:40,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a65780-4ff6-4796-a457-3a3e8713bae6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:55:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-11-28 23:55:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-11-28 23:55:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-28 23:55:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-28 23:55:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-28 23:55:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-28 23:55:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-28 23:55:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2023-11-28 23:55:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#55 [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#56 [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-11-28 23:55:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-28 23:55:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-28 23:55:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-11-28 23:55:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-11-28 23:55:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-11-28 23:55:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-11-28 23:55:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-11-28 23:55:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:55:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-28 23:55:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-28 23:55:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-28 23:55:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-28 23:55:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2023-11-28 23:55:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#55 [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#56 [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-28 23:55:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-11-28 23:55:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-11-28 23:55:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-11-28 23:55:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-11-28 23:55:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-11-28 23:55:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-11-28 23:55:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-11-28 23:55:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-11-28 23:55:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-11-28 23:55:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-28 23:55:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-28 23:55:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:55:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-28 23:55:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-28 23:55:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-11-28 23:55:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-11-28 23:55:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-11-28 23:55:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-11-28 23:55:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-11-28 23:55:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-11-28 23:55:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-28 23:55:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-28 23:55:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-11-28 23:55:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-28 23:55:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-11-28 23:55:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-11-28 23:55:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-11-28 23:55:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-11-28 23:55:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-11-28 23:55:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-11-28 23:55:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-11-28 23:55:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-11-28 23:55:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-11-28 23:55:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-28 23:55:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-11-28 23:55:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-11-28 23:55:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-11-28 23:55:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-11-28 23:55:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-11-28 23:55:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-11-28 23:55:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-11-28 23:55:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-11-28 23:55:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-11-28 23:55:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-11-28 23:55:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-11-28 23:55:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-11-28 23:55:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-11-28 23:55:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-11-28 23:55:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-11-28 23:55:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 23:55:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-28 23:55:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-28 23:55:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-28 23:55:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-28 23:55:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-11-28 23:55:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#55 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#56 [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-11-28 23:55:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-11-28 23:55:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:55:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:55:41,514 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:55:41,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:56:05,067 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:56:05,744 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:56:05,744 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-28 23:56:05,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:05 BoogieIcfgContainer [2023-11-28 23:56:05,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:56:05,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:56:05,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:56:05,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:56:05,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:55:34" (1/3) ... [2023-11-28 23:56:05,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e67e6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:56:05, skipping insertion in model container [2023-11-28 23:56:05,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:36" (2/3) ... [2023-11-28 23:56:05,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e67e6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:56:05, skipping insertion in model container [2023-11-28 23:56:05,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:05" (3/3) ... [2023-11-28 23:56:05,755 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-2.c [2023-11-28 23:56:05,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:56:05,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:56:05,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:56:05,911 INFO L357 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, mHoare=true, 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;@5db57a8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:56:05,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:56:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 8384 states, 7969 states have (on average 1.575479984941649) internal successors, (12555), 7993 states have internal predecessors, (12555), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-28 23:56:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3342 [2023-11-28 23:56:06,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:06,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:06,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:56:06,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:06,236 INFO L85 PathProgramCache]: Analyzing trace with hash -351360329, now seen corresponding path program 1 times [2023-11-28 23:56:06,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:56:06,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712580936] [2023-11-28 23:56:06,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:06,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:56:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:56:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:56:51,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:56:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712580936] [2023-11-28 23:56:51,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712580936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:56:51,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:56:51,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:56:51,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096222716] [2023-11-28 23:56:51,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:56:51,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:56:51,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:56:51,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:56:51,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:56:51,729 INFO L87 Difference]: Start difference. First operand has 8384 states, 7969 states have (on average 1.575479984941649) internal successors, (12555), 7993 states have internal predecessors, (12555), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) Second operand has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:56:56,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:56:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:56:56,465 INFO L93 Difference]: Finished difference Result 16762 states and 26905 transitions. [2023-11-28 23:56:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:56:56,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3341 [2023-11-28 23:56:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:56:56,536 INFO L225 Difference]: With dead ends: 16762 [2023-11-28 23:56:56,536 INFO L226 Difference]: Without dead ends: 8372 [2023-11-28 23:56:56,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:56:56,584 INFO L413 NwaCegarLoop]: 10289 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10289 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-28 23:56:56,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10289 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-28 23:56:56,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2023-11-28 23:56:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8372. [2023-11-28 23:56:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8372 states, 7958 states have (on average 1.206333249560191) internal successors, (9600), 7982 states have internal predecessors, (9600), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (369), 359 states have call predecessors, (369), 369 states have call successors, (369) [2023-11-28 23:56:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8372 states to 8372 states and 10339 transitions. [2023-11-28 23:56:56,941 INFO L78 Accepts]: Start accepts. Automaton has 8372 states and 10339 transitions. Word has length 3341 [2023-11-28 23:56:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:56:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 8372 states and 10339 transitions. [2023-11-28 23:56:56,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:56:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8372 states and 10339 transitions. [2023-11-28 23:56:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3342 [2023-11-28 23:56:57,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:56:57,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:56:57,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:56:57,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:56:57,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:56:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1185965883, now seen corresponding path program 1 times [2023-11-28 23:56:57,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:56:57,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671725799] [2023-11-28 23:56:57,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:56:57,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:57:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:57:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:57:57,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:57:57,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671725799] [2023-11-28 23:57:57,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671725799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:57:57,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:57:57,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:57:57,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395972304] [2023-11-28 23:57:57,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:57:57,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:57:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:57:57,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:57:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:57:57,247 INFO L87 Difference]: Start difference. First operand 8372 states and 10339 transitions. Second operand has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:58:01,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:58:05,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:58:10,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:58:14,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:58:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:58:15,611 INFO L93 Difference]: Finished difference Result 10896 states and 13201 transitions. [2023-11-28 23:58:15,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:58:15,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3341 [2023-11-28 23:58:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:58:15,691 INFO L225 Difference]: With dead ends: 10896 [2023-11-28 23:58:15,691 INFO L226 Difference]: Without dead ends: 10894 [2023-11-28 23:58:15,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-28 23:58:15,698 INFO L413 NwaCegarLoop]: 10345 mSDtfsCounter, 7008 mSDsluCounter, 33790 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 44135 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-28 23:58:15,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7008 Valid, 44135 Invalid, 386 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2023-11-28 23:58:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10894 states. [2023-11-28 23:58:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10894 to 10892. [2023-11-28 23:58:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10892 states, 10278 states have (on average 1.1774664331582019) internal successors, (12102), 10312 states have internal predecessors, (12102), 543 states have call successors, (543), 70 states have call predecessors, (543), 70 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-28 23:58:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10892 states to 10892 states and 13198 transitions. [2023-11-28 23:58:16,093 INFO L78 Accepts]: Start accepts. Automaton has 10892 states and 13198 transitions. Word has length 3341 [2023-11-28 23:58:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:58:16,099 INFO L495 AbstractCegarLoop]: Abstraction has 10892 states and 13198 transitions. [2023-11-28 23:58:16,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:58:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10892 states and 13198 transitions. [2023-11-28 23:58:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3348 [2023-11-28 23:58:16,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:58:16,243 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:58:16,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:58:16,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:58:16,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:58:16,245 INFO L85 PathProgramCache]: Analyzing trace with hash -585598439, now seen corresponding path program 1 times [2023-11-28 23:58:16,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:58:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741612725] [2023-11-28 23:58:16,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:58:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-28 23:59:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:59:14,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:14,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741612725] [2023-11-28 23:59:14,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741612725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:14,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:14,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 23:59:14,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531648278] [2023-11-28 23:59:14,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:14,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:59:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:14,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:59:14,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:59:14,333 INFO L87 Difference]: Start difference. First operand 10892 states and 13198 transitions. Second operand has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:59:18,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:59:23,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:59:27,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:59:31,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:59:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:32,795 INFO L93 Difference]: Finished difference Result 10900 states and 13204 transitions. [2023-11-28 23:59:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:59:32,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 3347 [2023-11-28 23:59:32,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:32,859 INFO L225 Difference]: With dead ends: 10900 [2023-11-28 23:59:32,859 INFO L226 Difference]: Without dead ends: 10898 [2023-11-28 23:59:32,866 INFO L412 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 [2023-11-28 23:59:32,867 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 7003 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:32,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2023-11-28 23:59:32,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2023-11-28 23:59:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 10896. [2023-11-28 23:59:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10896 states, 10281 states have (on average 1.1774146483805077) internal successors, (12105), 10315 states have internal predecessors, (12105), 543 states have call successors, (543), 71 states have call predecessors, (543), 71 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-28 23:59:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10896 states to 10896 states and 13201 transitions. [2023-11-28 23:59:33,146 INFO L78 Accepts]: Start accepts. Automaton has 10896 states and 13201 transitions. Word has length 3347 [2023-11-28 23:59:33,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:33,149 INFO L495 AbstractCegarLoop]: Abstraction has 10896 states and 13201 transitions. [2023-11-28 23:59:33,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-28 23:59:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 10896 states and 13201 transitions. [2023-11-28 23:59:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3354 [2023-11-28 23:59:33,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:33,256 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:33,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:59:33,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:33,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:33,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1006185109, now seen corresponding path program 1 times [2023-11-28 23:59:33,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:33,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133326271] [2023-11-28 23:59:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:00:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:00:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:00:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 00:00:31,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:00:31,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133326271] [2023-11-29 00:00:31,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133326271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:00:31,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:00:31,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:00:31,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37983820] [2023-11-29 00:00:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:00:31,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:00:31,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:00:31,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:00:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:00:31,763 INFO L87 Difference]: Start difference. First operand 10896 states and 13201 transitions. Second operand has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:00:36,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:40,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:44,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:48,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:00:49,732 INFO L93 Difference]: Finished difference Result 10904 states and 13207 transitions. [2023-11-29 00:00:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:00:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 3353 [2023-11-29 00:00:49,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:00:49,773 INFO L225 Difference]: With dead ends: 10904 [2023-11-29 00:00:49,773 INFO L226 Difference]: Without dead ends: 10902 [2023-11-29 00:00:49,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:00:49,781 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 7001 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7001 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:00:49,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7001 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2023-11-29 00:00:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10902 states. [2023-11-29 00:00:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10902 to 10900. [2023-11-29 00:00:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10900 states, 10284 states have (on average 1.177362893815636) internal successors, (12108), 10318 states have internal predecessors, (12108), 543 states have call successors, (543), 72 states have call predecessors, (543), 72 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:00:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10900 states to 10900 states and 13204 transitions. [2023-11-29 00:00:50,090 INFO L78 Accepts]: Start accepts. Automaton has 10900 states and 13204 transitions. Word has length 3353 [2023-11-29 00:00:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:00:50,095 INFO L495 AbstractCegarLoop]: Abstraction has 10900 states and 13204 transitions. [2023-11-29 00:00:50,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 00:00:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 10900 states and 13204 transitions. [2023-11-29 00:00:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3360 [2023-11-29 00:00:50,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:00:50,288 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:00:50,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:00:50,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:00:50,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:00:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash 214611003, now seen corresponding path program 1 times [2023-11-29 00:00:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:00:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890320622] [2023-11-29 00:00:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:00:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:01:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:01:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:01:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:01:46,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:46,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890320622] [2023-11-29 00:01:46,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890320622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:46,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:46,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:01:46,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45589685] [2023-11-29 00:01:46,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:46,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:01:46,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:46,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:01:46,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:01:46,584 INFO L87 Difference]: Start difference. First operand 10900 states and 13204 transitions. Second operand has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:01:50,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:55,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:59,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:03,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:02:04,805 INFO L93 Difference]: Finished difference Result 10908 states and 13210 transitions. [2023-11-29 00:02:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:02:04,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 3359 [2023-11-29 00:02:04,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:02:04,844 INFO L225 Difference]: With dead ends: 10908 [2023-11-29 00:02:04,844 INFO L226 Difference]: Without dead ends: 10906 [2023-11-29 00:02:04,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:02:04,853 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6999 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6999 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:02:04,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6999 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2023-11-29 00:02:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2023-11-29 00:02:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10904. [2023-11-29 00:02:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10904 states, 10287 states have (on average 1.1773111694371536) internal successors, (12111), 10321 states have internal predecessors, (12111), 543 states have call successors, (543), 73 states have call predecessors, (543), 73 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:02:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 13207 transitions. [2023-11-29 00:02:05,152 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 13207 transitions. Word has length 3359 [2023-11-29 00:02:05,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:02:05,155 INFO L495 AbstractCegarLoop]: Abstraction has 10904 states and 13207 transitions. [2023-11-29 00:02:05,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:02:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 13207 transitions. [2023-11-29 00:02:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3366 [2023-11-29 00:02:05,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:02:05,275 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:02:05,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:02:05,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:02:05,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:02:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash 491192329, now seen corresponding path program 1 times [2023-11-29 00:02:05,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:02:05,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887180266] [2023-11-29 00:02:05,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:02:05,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:02:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:03:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:03:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:00,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:03:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-11-29 00:03:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 00:03:00,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:03:00,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887180266] [2023-11-29 00:03:00,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887180266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:03:00,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:03:00,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:03:00,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149862162] [2023-11-29 00:03:00,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:03:00,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:03:00,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:03:00,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:03:00,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:03:00,442 INFO L87 Difference]: Start difference. First operand 10904 states and 13207 transitions. Second operand has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:03:04,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:08,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:12,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:16,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:03:18,002 INFO L93 Difference]: Finished difference Result 10912 states and 13213 transitions. [2023-11-29 00:03:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:03:18,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 3365 [2023-11-29 00:03:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:03:18,030 INFO L225 Difference]: With dead ends: 10912 [2023-11-29 00:03:18,030 INFO L226 Difference]: Without dead ends: 10910 [2023-11-29 00:03:18,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:03:18,034 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6997 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:03:18,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6997 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2023-11-29 00:03:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2023-11-29 00:03:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10908. [2023-11-29 00:03:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10908 states, 10290 states have (on average 1.177259475218659) internal successors, (12114), 10324 states have internal predecessors, (12114), 543 states have call successors, (543), 74 states have call predecessors, (543), 74 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:03:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10908 states to 10908 states and 13210 transitions. [2023-11-29 00:03:18,350 INFO L78 Accepts]: Start accepts. Automaton has 10908 states and 13210 transitions. Word has length 3365 [2023-11-29 00:03:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:03:18,353 INFO L495 AbstractCegarLoop]: Abstraction has 10908 states and 13210 transitions. [2023-11-29 00:03:18,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:03:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 10908 states and 13210 transitions. [2023-11-29 00:03:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3372 [2023-11-29 00:03:18,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:03:18,503 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:03:18,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:03:18,503 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:03:18,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:03:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash -387349931, now seen corresponding path program 1 times [2023-11-29 00:03:18,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:03:18,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688413648] [2023-11-29 00:03:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:03:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:04:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:04:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:04:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:04:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-11-29 00:04:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-11-29 00:04:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:04:13,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:04:13,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688413648] [2023-11-29 00:04:13,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688413648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:04:13,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:04:13,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:04:13,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845088287] [2023-11-29 00:04:13,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:04:13,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:04:13,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:04:13,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:04:13,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:04:13,724 INFO L87 Difference]: Start difference. First operand 10908 states and 13210 transitions. Second operand has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:04:18,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:22,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:26,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:30,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:31,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:04:31,456 INFO L93 Difference]: Finished difference Result 10916 states and 13216 transitions. [2023-11-29 00:04:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:04:31,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 3371 [2023-11-29 00:04:31,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:04:31,477 INFO L225 Difference]: With dead ends: 10916 [2023-11-29 00:04:31,477 INFO L226 Difference]: Without dead ends: 10914 [2023-11-29 00:04:31,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:04:31,481 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6995 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6995 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:04:31,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6995 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2023-11-29 00:04:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10914 states. [2023-11-29 00:04:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10914 to 10912. [2023-11-29 00:04:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10912 states, 10293 states have (on average 1.1772078111337803) internal successors, (12117), 10327 states have internal predecessors, (12117), 543 states have call successors, (543), 75 states have call predecessors, (543), 75 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:04:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10912 states to 10912 states and 13213 transitions. [2023-11-29 00:04:31,759 INFO L78 Accepts]: Start accepts. Automaton has 10912 states and 13213 transitions. Word has length 3371 [2023-11-29 00:04:31,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:04:31,762 INFO L495 AbstractCegarLoop]: Abstraction has 10912 states and 13213 transitions. [2023-11-29 00:04:31,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:04:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 10912 states and 13213 transitions. [2023-11-29 00:04:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3378 [2023-11-29 00:04:31,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:04:31,941 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:04:31,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:04:31,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:04:31,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:04:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1794972513, now seen corresponding path program 1 times [2023-11-29 00:04:31,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:04:31,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307520229] [2023-11-29 00:04:31,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:04:31,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:05:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:05:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:05:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:05:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-11-29 00:05:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-11-29 00:05:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-11-29 00:05:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:05:25,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:05:25,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307520229] [2023-11-29 00:05:25,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307520229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:25,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:05:25,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:05:25,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321770860] [2023-11-29 00:05:25,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:25,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:05:25,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:05:25,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:05:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:05:25,629 INFO L87 Difference]: Start difference. First operand 10912 states and 13213 transitions. Second operand has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:05:29,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:34,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:38,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:42,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:44,155 INFO L93 Difference]: Finished difference Result 10920 states and 13219 transitions. [2023-11-29 00:05:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:05:44,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 3377 [2023-11-29 00:05:44,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:44,187 INFO L225 Difference]: With dead ends: 10920 [2023-11-29 00:05:44,187 INFO L226 Difference]: Without dead ends: 10918 [2023-11-29 00:05:44,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:05:44,191 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6993 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6993 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:44,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6993 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2023-11-29 00:05:44,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10918 states. [2023-11-29 00:05:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10918 to 10916. [2023-11-29 00:05:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10916 states, 10296 states have (on average 1.1771561771561772) internal successors, (12120), 10330 states have internal predecessors, (12120), 543 states have call successors, (543), 76 states have call predecessors, (543), 76 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:05:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10916 states to 10916 states and 13216 transitions. [2023-11-29 00:05:44,490 INFO L78 Accepts]: Start accepts. Automaton has 10916 states and 13216 transitions. Word has length 3377 [2023-11-29 00:05:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:44,493 INFO L495 AbstractCegarLoop]: Abstraction has 10916 states and 13216 transitions. [2023-11-29 00:05:44,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:05:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 10916 states and 13216 transitions. [2023-11-29 00:05:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3384 [2023-11-29 00:05:44,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:44,613 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:44,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:05:44,613 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:05:44,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:44,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2065608807, now seen corresponding path program 1 times [2023-11-29 00:05:44,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:05:44,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805621671] [2023-11-29 00:05:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:44,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:06:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:06:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:06:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:06:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-11-29 00:06:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-11-29 00:06:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-11-29 00:06:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-11-29 00:06:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:06:39,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:06:39,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805621671] [2023-11-29 00:06:39,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805621671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:39,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:39,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:06:39,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169464128] [2023-11-29 00:06:39,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:39,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:06:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:06:39,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:06:39,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:06:39,676 INFO L87 Difference]: Start difference. First operand 10916 states and 13216 transitions. Second operand has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:06:43,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:48,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:52,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:56,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:57,767 INFO L93 Difference]: Finished difference Result 10924 states and 13222 transitions. [2023-11-29 00:06:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:06:57,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 3383 [2023-11-29 00:06:57,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:57,805 INFO L225 Difference]: With dead ends: 10924 [2023-11-29 00:06:57,805 INFO L226 Difference]: Without dead ends: 10922 [2023-11-29 00:06:57,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:06:57,813 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6991 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6991 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:57,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6991 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2023-11-29 00:06:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10922 states. [2023-11-29 00:06:58,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10922 to 10920. [2023-11-29 00:06:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10920 states, 10299 states have (on average 1.1771045732595398) internal successors, (12123), 10333 states have internal predecessors, (12123), 543 states have call successors, (543), 77 states have call predecessors, (543), 77 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:06:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 13219 transitions. [2023-11-29 00:06:58,148 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 13219 transitions. Word has length 3383 [2023-11-29 00:06:58,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:58,151 INFO L495 AbstractCegarLoop]: Abstraction has 10920 states and 13219 transitions. [2023-11-29 00:06:58,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:06:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 13219 transitions. [2023-11-29 00:06:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3390 [2023-11-29 00:06:58,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:58,243 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:58,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:06:58,243 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:58,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:58,244 INFO L85 PathProgramCache]: Analyzing trace with hash 156978989, now seen corresponding path program 1 times [2023-11-29 00:06:58,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:06:58,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806271535] [2023-11-29 00:06:58,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:58,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:07:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-11-29 00:07:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-11-29 00:07:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-11-29 00:07:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-11-29 00:07:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-11-29 00:07:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-11-29 00:07:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-11-29 00:07:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-11-29 00:07:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:07:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:07:51,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:07:51,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806271535] [2023-11-29 00:07:51,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806271535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:07:51,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:07:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:07:51,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661232330] [2023-11-29 00:07:51,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:07:51,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:07:51,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:07:51,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:07:51,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:07:51,576 INFO L87 Difference]: Start difference. First operand 10920 states and 13219 transitions. Second operand has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:07:55,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:00,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:04,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:08,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:08:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:08:10,125 INFO L93 Difference]: Finished difference Result 10928 states and 13225 transitions. [2023-11-29 00:08:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:08:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 3389 [2023-11-29 00:08:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:08:10,145 INFO L225 Difference]: With dead ends: 10928 [2023-11-29 00:08:10,145 INFO L226 Difference]: Without dead ends: 10926 [2023-11-29 00:08:10,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:08:10,150 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6989 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6989 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:08:10,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6989 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2023-11-29 00:08:10,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10926 states. [2023-11-29 00:08:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10926 to 10924. [2023-11-29 00:08:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 10302 states have (on average 1.177052999417589) internal successors, (12126), 10336 states have internal predecessors, (12126), 543 states have call successors, (543), 78 states have call predecessors, (543), 78 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-11-29 00:08:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 13222 transitions. [2023-11-29 00:08:10,443 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 13222 transitions. Word has length 3389 [2023-11-29 00:08:10,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:08:10,445 INFO L495 AbstractCegarLoop]: Abstraction has 10924 states and 13222 transitions. [2023-11-29 00:08:10,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:08:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 13222 transitions. [2023-11-29 00:08:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3396 [2023-11-29 00:08:10,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:08:10,537 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:08:10,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:08:10,538 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:08:10,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:08:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash 12716657, now seen corresponding path program 1 times [2023-11-29 00:08:10,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:08:10,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69913860] [2023-11-29 00:08:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:08:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms