./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/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_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/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_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/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 a9f11574ad30fc17c07131211bf5f95490e2bdab1a5c8ef6b6afc80480ba8e82 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:32:27,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:32:27,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:32:27,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:32:27,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:32:27,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:32:27,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:32:27,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:32:27,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:32:27,666 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:32:27,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:32:27,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:32:27,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:32:27,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:32:27,669 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:32:27,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:32:27,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:32:27,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:32:27,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:32:27,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:32:27,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:32:27,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:32:27,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:32:27,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:32:27,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:32:27,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:32:27,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:32:27,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:32:27,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:32:27,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:32:27,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:32:27,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:32:27,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:32:27,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:32:27,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:32:27,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:32:27,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:32:27,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:32:27,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:32:27,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:32:27,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:32:27,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:32:27,679 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_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f11574ad30fc17c07131211bf5f95490e2bdab1a5c8ef6b6afc80480ba8e82 [2023-11-29 00:32:27,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:32:27,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:32:27,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:32:27,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:32:27,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:32:27,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem17_label28.c [2023-11-29 00:32:30,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:32:30,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:32:30,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/sv-benchmarks/c/eca-rers2012/Problem17_label28.c [2023-11-29 00:32:30,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/data/388b37492/8373c2bea6d84d6b93fcd7ebfc9c3ebd/FLAGabcf8295d [2023-11-29 00:32:30,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/data/388b37492/8373c2bea6d84d6b93fcd7ebfc9c3ebd [2023-11-29 00:32:30,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:32:30,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:32:30,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:32:30,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:32:30,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:32:30,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:32:30" (1/1) ... [2023-11-29 00:32:30,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1483a963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:30, skipping insertion in model container [2023-11-29 00:32:30,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:32:30" (1/1) ... [2023-11-29 00:32:31,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:32:31,266 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_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/sv-benchmarks/c/eca-rers2012/Problem17_label28.c[9518,9531] [2023-11-29 00:32:31,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:32:31,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:32:31,833 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_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/sv-benchmarks/c/eca-rers2012/Problem17_label28.c[9518,9531] [2023-11-29 00:32:32,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:32:32,185 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:32:32,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32 WrapperNode [2023-11-29 00:32:32,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:32:32,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:32:32,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:32:32,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:32:32,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,470 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2023-11-29 00:32:32,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:32:32,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:32:32,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:32:32,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:32:32,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,688 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:32:32,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:32:32,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:32:32,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:32:32,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:32:32,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (1/1) ... [2023-11-29 00:32:32,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:32:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:32:32,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:32:32,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:32:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:32:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:32:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:32:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:32:33,011 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:32:33,013 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:32:37,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:32:37,264 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:32:37,264 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:32:37,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:32:37 BoogieIcfgContainer [2023-11-29 00:32:37,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:32:37,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:32:37,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:32:37,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:32:37,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:32:30" (1/3) ... [2023-11-29 00:32:37,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52274e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:32:37, skipping insertion in model container [2023-11-29 00:32:37,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:32:32" (2/3) ... [2023-11-29 00:32:37,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b52274e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:32:37, skipping insertion in model container [2023-11-29 00:32:37,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:32:37" (3/3) ... [2023-11-29 00:32:37,306 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label28.c [2023-11-29 00:32:37,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:32:37,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:32:37,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:32:37,416 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;@a94005e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:32:37,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:32:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 528 states, 526 states have (on average 1.9011406844106464) internal successors, (1000), 527 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 00:32:37,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:37,435 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] [2023-11-29 00:32:37,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:37,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:37,442 INFO L85 PathProgramCache]: Analyzing trace with hash 256259948, now seen corresponding path program 1 times [2023-11-29 00:32:37,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:37,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395219294] [2023-11-29 00:32:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:32:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:37,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395219294] [2023-11-29 00:32:37,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395219294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:37,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:32:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951830031] [2023-11-29 00:32:37,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:37,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:32:37,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:32:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:32:37,722 INFO L87 Difference]: Start difference. First operand has 528 states, 526 states have (on average 1.9011406844106464) internal successors, (1000), 527 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:37,807 INFO L93 Difference]: Finished difference Result 1055 states and 1999 transitions. [2023-11-29 00:32:37,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:32:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 00:32:37,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:37,830 INFO L225 Difference]: With dead ends: 1055 [2023-11-29 00:32:37,831 INFO L226 Difference]: Without dead ends: 526 [2023-11-29 00:32:37,837 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 [2023-11-29 00:32:37,841 INFO L413 NwaCegarLoop]: 935 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:37,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:32:37,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-29 00:32:37,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2023-11-29 00:32:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.7809523809523808) internal successors, (935), 525 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 935 transitions. [2023-11-29 00:32:37,924 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 935 transitions. Word has length 63 [2023-11-29 00:32:37,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:37,924 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 935 transitions. [2023-11-29 00:32:37,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 935 transitions. [2023-11-29 00:32:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 00:32:37,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:37,927 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] [2023-11-29 00:32:37,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:32:37,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:37,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:37,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1630487590, now seen corresponding path program 1 times [2023-11-29 00:32:37,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:37,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128137462] [2023-11-29 00:32:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:37,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:32:38,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128137462] [2023-11-29 00:32:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128137462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:38,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:32:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402421127] [2023-11-29 00:32:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:38,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:38,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:38,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:38,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:38,171 INFO L87 Difference]: Start difference. First operand 526 states and 935 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:41,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:41,453 INFO L93 Difference]: Finished difference Result 1499 states and 2693 transitions. [2023-11-29 00:32:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:41,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 00:32:41,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:41,460 INFO L225 Difference]: With dead ends: 1499 [2023-11-29 00:32:41,460 INFO L226 Difference]: Without dead ends: 974 [2023-11-29 00:32:41,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:41,462 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 410 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:41,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 495 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 00:32:41,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2023-11-29 00:32:41,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 971. [2023-11-29 00:32:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 970 states have (on average 1.5082474226804123) internal successors, (1463), 970 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1463 transitions. [2023-11-29 00:32:41,499 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1463 transitions. Word has length 63 [2023-11-29 00:32:41,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:41,500 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1463 transitions. [2023-11-29 00:32:41,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1463 transitions. [2023-11-29 00:32:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 00:32:41,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:41,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:41,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:32:41,506 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:41,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash -31283066, now seen corresponding path program 1 times [2023-11-29 00:32:41,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:41,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516178649] [2023-11-29 00:32:41,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:41,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:32:41,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:41,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516178649] [2023-11-29 00:32:41,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516178649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:41,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:41,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:41,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373955184] [2023-11-29 00:32:41,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:41,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:41,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:41,879 INFO L87 Difference]: Start difference. First operand 971 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:44,653 INFO L93 Difference]: Finished difference Result 2813 states and 4241 transitions. [2023-11-29 00:32:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:44,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2023-11-29 00:32:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:44,665 INFO L225 Difference]: With dead ends: 2813 [2023-11-29 00:32:44,665 INFO L226 Difference]: Without dead ends: 1843 [2023-11-29 00:32:44,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:44,669 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 427 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:44,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 918 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 00:32:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-29 00:32:44,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1841. [2023-11-29 00:32:44,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1840 states have (on average 1.3603260869565217) internal successors, (2503), 1840 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2503 transitions. [2023-11-29 00:32:44,711 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2503 transitions. Word has length 133 [2023-11-29 00:32:44,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:44,712 INFO L495 AbstractCegarLoop]: Abstraction has 1841 states and 2503 transitions. [2023-11-29 00:32:44,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2503 transitions. [2023-11-29 00:32:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-29 00:32:44,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:44,717 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:44,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:32:44,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:44,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:44,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1538156649, now seen corresponding path program 1 times [2023-11-29 00:32:44,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:44,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405632589] [2023-11-29 00:32:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:44,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:32:44,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:44,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405632589] [2023-11-29 00:32:44,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405632589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:44,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:44,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:32:44,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866151250] [2023-11-29 00:32:44,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:44,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:44,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:44,891 INFO L87 Difference]: Start difference. First operand 1841 states and 2503 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:47,212 INFO L93 Difference]: Finished difference Result 5394 states and 7325 transitions. [2023-11-29 00:32:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:47,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2023-11-29 00:32:47,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:47,227 INFO L225 Difference]: With dead ends: 5394 [2023-11-29 00:32:47,227 INFO L226 Difference]: Without dead ends: 2700 [2023-11-29 00:32:47,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:47,232 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 368 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:47,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 589 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:32:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2023-11-29 00:32:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2700. [2023-11-29 00:32:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 2699 states have (on average 1.1919229344201556) internal successors, (3217), 2699 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:47,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 3217 transitions. [2023-11-29 00:32:47,295 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 3217 transitions. Word has length 155 [2023-11-29 00:32:47,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:47,295 INFO L495 AbstractCegarLoop]: Abstraction has 2700 states and 3217 transitions. [2023-11-29 00:32:47,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3217 transitions. [2023-11-29 00:32:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 00:32:47,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:47,300 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:47,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:32:47,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:47,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:47,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1767326723, now seen corresponding path program 1 times [2023-11-29 00:32:47,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:47,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930857603] [2023-11-29 00:32:47,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:47,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:32:47,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:47,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930857603] [2023-11-29 00:32:47,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930857603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:47,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:47,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:47,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013854358] [2023-11-29 00:32:47,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:47,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:47,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:47,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:47,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:47,583 INFO L87 Difference]: Start difference. First operand 2700 states and 3217 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:49,458 INFO L93 Difference]: Finished difference Result 7107 states and 8597 transitions. [2023-11-29 00:32:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-29 00:32:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:49,476 INFO L225 Difference]: With dead ends: 7107 [2023-11-29 00:32:49,476 INFO L226 Difference]: Without dead ends: 4408 [2023-11-29 00:32:49,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:49,479 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 496 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:49,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 781 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:32:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2023-11-29 00:32:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4408. [2023-11-29 00:32:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4408 states, 4407 states have (on average 1.1706376219650556) internal successors, (5159), 4407 states have internal predecessors, (5159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4408 states to 4408 states and 5159 transitions. [2023-11-29 00:32:49,580 INFO L78 Accepts]: Start accepts. Automaton has 4408 states and 5159 transitions. Word has length 215 [2023-11-29 00:32:49,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:49,581 INFO L495 AbstractCegarLoop]: Abstraction has 4408 states and 5159 transitions. [2023-11-29 00:32:49,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4408 states and 5159 transitions. [2023-11-29 00:32:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 00:32:49,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:49,585 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:49,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:32:49,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:49,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1994128504, now seen corresponding path program 1 times [2023-11-29 00:32:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:49,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716947086] [2023-11-29 00:32:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 00:32:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:49,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716947086] [2023-11-29 00:32:49,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716947086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:49,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:49,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:49,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159571002] [2023-11-29 00:32:49,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:49,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:49,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:49,822 INFO L87 Difference]: Start difference. First operand 4408 states and 5159 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:52,142 INFO L93 Difference]: Finished difference Result 10935 states and 12969 transitions. [2023-11-29 00:32:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:52,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2023-11-29 00:32:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:52,167 INFO L225 Difference]: With dead ends: 10935 [2023-11-29 00:32:52,167 INFO L226 Difference]: Without dead ends: 6527 [2023-11-29 00:32:52,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:52,174 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 386 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:52,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 442 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:32:52,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6527 states. [2023-11-29 00:32:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6527 to 4381. [2023-11-29 00:32:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4381 states, 4380 states have (on average 1.1684931506849314) internal successors, (5118), 4380 states have internal predecessors, (5118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5118 transitions. [2023-11-29 00:32:52,280 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5118 transitions. Word has length 217 [2023-11-29 00:32:52,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:52,281 INFO L495 AbstractCegarLoop]: Abstraction has 4381 states and 5118 transitions. [2023-11-29 00:32:52,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5118 transitions. [2023-11-29 00:32:52,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-29 00:32:52,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:52,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:52,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:32:52,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:52,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:52,288 INFO L85 PathProgramCache]: Analyzing trace with hash 573372222, now seen corresponding path program 1 times [2023-11-29 00:32:52,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:52,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89526877] [2023-11-29 00:32:52,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:52,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-29 00:32:52,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:52,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89526877] [2023-11-29 00:32:52,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89526877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:52,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895220341] [2023-11-29 00:32:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:52,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:52,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:52,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:52,602 INFO L87 Difference]: Start difference. First operand 4381 states and 5118 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:54,865 INFO L93 Difference]: Finished difference Result 10044 states and 11705 transitions. [2023-11-29 00:32:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:54,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2023-11-29 00:32:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:54,886 INFO L225 Difference]: With dead ends: 10044 [2023-11-29 00:32:54,886 INFO L226 Difference]: Without dead ends: 5664 [2023-11-29 00:32:54,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:54,890 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 372 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:54,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 891 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:32:54,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2023-11-29 00:32:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 5233. [2023-11-29 00:32:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 5232 states have (on average 1.1588302752293578) internal successors, (6063), 5232 states have internal predecessors, (6063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 6063 transitions. [2023-11-29 00:32:54,963 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 6063 transitions. Word has length 283 [2023-11-29 00:32:54,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:54,964 INFO L495 AbstractCegarLoop]: Abstraction has 5233 states and 6063 transitions. [2023-11-29 00:32:54,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 6063 transitions. [2023-11-29 00:32:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-11-29 00:32:54,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:54,968 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:54,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:32:54,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:54,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:54,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1798986213, now seen corresponding path program 1 times [2023-11-29 00:32:54,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:54,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981880506] [2023-11-29 00:32:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:54,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-11-29 00:32:55,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:55,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981880506] [2023-11-29 00:32:55,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981880506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:55,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:55,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:55,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047665075] [2023-11-29 00:32:55,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:55,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:55,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:55,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:55,120 INFO L87 Difference]: Start difference. First operand 5233 states and 6063 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:57,174 INFO L93 Difference]: Finished difference Result 12592 states and 14782 transitions. [2023-11-29 00:32:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 295 [2023-11-29 00:32:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:57,201 INFO L225 Difference]: With dead ends: 12592 [2023-11-29 00:32:57,201 INFO L226 Difference]: Without dead ends: 6935 [2023-11-29 00:32:57,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:57,206 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 383 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:57,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 844 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 00:32:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2023-11-29 00:32:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6935. [2023-11-29 00:32:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 6934 states have (on average 1.1322468993366022) internal successors, (7851), 6934 states have internal predecessors, (7851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 7851 transitions. [2023-11-29 00:32:57,298 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 7851 transitions. Word has length 295 [2023-11-29 00:32:57,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:57,299 INFO L495 AbstractCegarLoop]: Abstraction has 6935 states and 7851 transitions. [2023-11-29 00:32:57,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 7851 transitions. [2023-11-29 00:32:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-11-29 00:32:57,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:57,305 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 00:32:57,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:32:57,305 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:57,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1130313346, now seen corresponding path program 1 times [2023-11-29 00:32:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:57,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364924724] [2023-11-29 00:32:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:57,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:32:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-29 00:32:57,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:32:57,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364924724] [2023-11-29 00:32:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364924724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:32:57,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:32:57,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:32:57,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497933070] [2023-11-29 00:32:57,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:32:57,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:32:57,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:32:57,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:32:57,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:57,472 INFO L87 Difference]: Start difference. First operand 6935 states and 7851 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:32:59,734 INFO L93 Difference]: Finished difference Result 17278 states and 19682 transitions. [2023-11-29 00:32:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:32:59,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2023-11-29 00:32:59,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:32:59,759 INFO L225 Difference]: With dead ends: 17278 [2023-11-29 00:32:59,759 INFO L226 Difference]: Without dead ends: 9467 [2023-11-29 00:32:59,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:32:59,766 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 481 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:32:59,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 637 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:32:59,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9467 states. [2023-11-29 00:32:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9467 to 9037. [2023-11-29 00:32:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9037 states, 9036 states have (on average 1.1249446657813191) internal successors, (10165), 9036 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9037 states to 9037 states and 10165 transitions. [2023-11-29 00:32:59,885 INFO L78 Accepts]: Start accepts. Automaton has 9037 states and 10165 transitions. Word has length 335 [2023-11-29 00:32:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:32:59,886 INFO L495 AbstractCegarLoop]: Abstraction has 9037 states and 10165 transitions. [2023-11-29 00:32:59,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:32:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9037 states and 10165 transitions. [2023-11-29 00:32:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2023-11-29 00:32:59,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:32:59,895 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:32:59,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:32:59,896 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:32:59,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:32:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2086413568, now seen corresponding path program 1 times [2023-11-29 00:32:59,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:32:59,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741205760] [2023-11-29 00:32:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:32:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:32:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:33:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741205760] [2023-11-29 00:33:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741205760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:00,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:00,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:00,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805112367] [2023-11-29 00:33:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:00,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:33:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:33:00,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:00,195 INFO L87 Difference]: Start difference. First operand 9037 states and 10165 transitions. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:03,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:03,476 INFO L93 Difference]: Finished difference Result 26189 states and 29347 transitions. [2023-11-29 00:33:03,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:03,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2023-11-29 00:33:03,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:03,506 INFO L225 Difference]: With dead ends: 26189 [2023-11-29 00:33:03,506 INFO L226 Difference]: Without dead ends: 16728 [2023-11-29 00:33:03,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:03,517 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 507 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 2857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:03,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 370 Invalid, 2857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2687 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-29 00:33:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16728 states. [2023-11-29 00:33:03,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16728 to 16707. [2023-11-29 00:33:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16707 states, 16706 states have (on average 1.1082844487010655) internal successors, (18515), 16706 states have internal predecessors, (18515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16707 states to 16707 states and 18515 transitions. [2023-11-29 00:33:03,733 INFO L78 Accepts]: Start accepts. Automaton has 16707 states and 18515 transitions. Word has length 402 [2023-11-29 00:33:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:03,734 INFO L495 AbstractCegarLoop]: Abstraction has 16707 states and 18515 transitions. [2023-11-29 00:33:03,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 16707 states and 18515 transitions. [2023-11-29 00:33:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-29 00:33:03,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:03,744 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:03,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:33:03,745 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:03,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1492815046, now seen corresponding path program 1 times [2023-11-29 00:33:03,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:03,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700783462] [2023-11-29 00:33:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2023-11-29 00:33:04,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:04,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700783462] [2023-11-29 00:33:04,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700783462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:04,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:04,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:04,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330688393] [2023-11-29 00:33:04,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:04,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:04,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:04,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:04,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:04,074 INFO L87 Difference]: Start difference. First operand 16707 states and 18515 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:05,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:05,824 INFO L93 Difference]: Finished difference Result 36815 states and 41080 transitions. [2023-11-29 00:33:05,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:05,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 406 [2023-11-29 00:33:05,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:05,862 INFO L225 Difference]: With dead ends: 36815 [2023-11-29 00:33:05,862 INFO L226 Difference]: Without dead ends: 20109 [2023-11-29 00:33:05,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:05,878 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 414 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:05,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 297 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:33:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20109 states. [2023-11-29 00:33:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20109 to 18830. [2023-11-29 00:33:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18830 states, 18829 states have (on average 1.1070157735408146) internal successors, (20844), 18829 states have internal predecessors, (20844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18830 states to 18830 states and 20844 transitions. [2023-11-29 00:33:06,132 INFO L78 Accepts]: Start accepts. Automaton has 18830 states and 20844 transitions. Word has length 406 [2023-11-29 00:33:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:06,133 INFO L495 AbstractCegarLoop]: Abstraction has 18830 states and 20844 transitions. [2023-11-29 00:33:06,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 18830 states and 20844 transitions. [2023-11-29 00:33:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-11-29 00:33:06,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:06,149 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:06,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:33:06,149 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:06,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:06,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1456282908, now seen corresponding path program 1 times [2023-11-29 00:33:06,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:06,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774916855] [2023-11-29 00:33:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 342 proven. 82 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-29 00:33:06,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:06,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774916855] [2023-11-29 00:33:06,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774916855] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:33:06,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322592394] [2023-11-29 00:33:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:06,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:33:06,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:33:06,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:33:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:07,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:33:07,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:33:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-29 00:33:07,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:33:07,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322592394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:07,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:33:07,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2023-11-29 00:33:07,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746863109] [2023-11-29 00:33:07,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:07,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:33:07,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:07,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:33:07,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:33:07,642 INFO L87 Difference]: Start difference. First operand 18830 states and 20844 transitions. Second operand has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:11,167 INFO L93 Difference]: Finished difference Result 55571 states and 61842 transitions. [2023-11-29 00:33:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 622 [2023-11-29 00:33:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:11,206 INFO L225 Difference]: With dead ends: 55571 [2023-11-29 00:33:11,206 INFO L226 Difference]: Without dead ends: 35038 [2023-11-29 00:33:11,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:33:11,225 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 581 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:11,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 200 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 00:33:11,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35038 states. [2023-11-29 00:33:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35038 to 33304. [2023-11-29 00:33:11,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33304 states, 33303 states have (on average 1.1103804462060476) internal successors, (36979), 33303 states have internal predecessors, (36979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33304 states to 33304 states and 36979 transitions. [2023-11-29 00:33:11,635 INFO L78 Accepts]: Start accepts. Automaton has 33304 states and 36979 transitions. Word has length 622 [2023-11-29 00:33:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:11,635 INFO L495 AbstractCegarLoop]: Abstraction has 33304 states and 36979 transitions. [2023-11-29 00:33:11,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 33304 states and 36979 transitions. [2023-11-29 00:33:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-11-29 00:33:11,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:11,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:11,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:33:11,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:11,865 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:11,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:11,866 INFO L85 PathProgramCache]: Analyzing trace with hash 184480845, now seen corresponding path program 1 times [2023-11-29 00:33:11,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:11,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776970946] [2023-11-29 00:33:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:11,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-29 00:33:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776970946] [2023-11-29 00:33:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776970946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:12,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:12,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523368168] [2023-11-29 00:33:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:12,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:12,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:12,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:12,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:12,554 INFO L87 Difference]: Start difference. First operand 33304 states and 36979 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:14,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:14,554 INFO L93 Difference]: Finished difference Result 79379 states and 88472 transitions. [2023-11-29 00:33:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:14,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 666 [2023-11-29 00:33:14,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:14,593 INFO L225 Difference]: With dead ends: 79379 [2023-11-29 00:33:14,593 INFO L226 Difference]: Without dead ends: 45219 [2023-11-29 00:33:14,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:14,612 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 102 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:14,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 639 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:33:14,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45219 states. [2023-11-29 00:33:15,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45219 to 44786. [2023-11-29 00:33:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44786 states, 44785 states have (on average 1.1031818689293291) internal successors, (49406), 44785 states have internal predecessors, (49406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44786 states to 44786 states and 49406 transitions. [2023-11-29 00:33:15,127 INFO L78 Accepts]: Start accepts. Automaton has 44786 states and 49406 transitions. Word has length 666 [2023-11-29 00:33:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:15,128 INFO L495 AbstractCegarLoop]: Abstraction has 44786 states and 49406 transitions. [2023-11-29 00:33:15,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44786 states and 49406 transitions. [2023-11-29 00:33:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2023-11-29 00:33:15,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:15,160 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:15,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:33:15,161 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:15,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:15,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1150601893, now seen corresponding path program 1 times [2023-11-29 00:33:15,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:15,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464103913] [2023-11-29 00:33:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2023-11-29 00:33:15,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464103913] [2023-11-29 00:33:15,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464103913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:15,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:15,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:15,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375747528] [2023-11-29 00:33:15,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:15,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:15,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:15,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:15,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:15,504 INFO L87 Difference]: Start difference. First operand 44786 states and 49406 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:17,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:17,535 INFO L93 Difference]: Finished difference Result 98503 states and 109010 transitions. [2023-11-29 00:33:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:17,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 707 [2023-11-29 00:33:17,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:17,589 INFO L225 Difference]: With dead ends: 98503 [2023-11-29 00:33:17,589 INFO L226 Difference]: Without dead ends: 53718 [2023-11-29 00:33:17,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:17,610 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 489 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:17,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 670 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 00:33:17,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53718 states. [2023-11-29 00:33:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53718 to 53712. [2023-11-29 00:33:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53712 states, 53711 states have (on average 1.0985459216920184) internal successors, (59004), 53711 states have internal predecessors, (59004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53712 states to 53712 states and 59004 transitions. [2023-11-29 00:33:18,272 INFO L78 Accepts]: Start accepts. Automaton has 53712 states and 59004 transitions. Word has length 707 [2023-11-29 00:33:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:18,272 INFO L495 AbstractCegarLoop]: Abstraction has 53712 states and 59004 transitions. [2023-11-29 00:33:18,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 53712 states and 59004 transitions. [2023-11-29 00:33:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-11-29 00:33:18,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:18,298 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:18,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:33:18,298 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:18,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:18,299 INFO L85 PathProgramCache]: Analyzing trace with hash 874389018, now seen corresponding path program 1 times [2023-11-29 00:33:18,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:18,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128561665] [2023-11-29 00:33:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:18,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 00:33:18,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:18,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128561665] [2023-11-29 00:33:18,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128561665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:18,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:18,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:18,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019127234] [2023-11-29 00:33:18,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:18,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:18,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:18,816 INFO L87 Difference]: Start difference. First operand 53712 states and 59004 transitions. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:21,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:21,117 INFO L93 Difference]: Finished difference Result 117220 states and 128792 transitions. [2023-11-29 00:33:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 716 [2023-11-29 00:33:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:21,171 INFO L225 Difference]: With dead ends: 117220 [2023-11-29 00:33:21,171 INFO L226 Difference]: Without dead ends: 63509 [2023-11-29 00:33:21,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:21,191 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 469 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:21,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 254 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:33:21,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63509 states. [2023-11-29 00:33:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63509 to 50721. [2023-11-29 00:33:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50721 states, 50720 states have (on average 1.1003154574132492) internal successors, (55808), 50720 states have internal predecessors, (55808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50721 states to 50721 states and 55808 transitions. [2023-11-29 00:33:21,970 INFO L78 Accepts]: Start accepts. Automaton has 50721 states and 55808 transitions. Word has length 716 [2023-11-29 00:33:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:21,971 INFO L495 AbstractCegarLoop]: Abstraction has 50721 states and 55808 transitions. [2023-11-29 00:33:21,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 50721 states and 55808 transitions. [2023-11-29 00:33:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2023-11-29 00:33:22,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:22,008 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:22,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:33:22,009 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:22,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:22,009 INFO L85 PathProgramCache]: Analyzing trace with hash -583623324, now seen corresponding path program 1 times [2023-11-29 00:33:22,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:22,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172732933] [2023-11-29 00:33:22,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:22,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 391 proven. 82 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-29 00:33:22,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:22,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172732933] [2023-11-29 00:33:22,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172732933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:33:22,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082494799] [2023-11-29 00:33:22,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:22,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:22,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:33:22,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:33:22,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:33:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:23,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:33:23,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:33:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 371 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:33:24,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:33:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:33:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082494799] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 00:33:25,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:33:25,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 4] total 7 [2023-11-29 00:33:25,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474924723] [2023-11-29 00:33:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:25,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:33:25,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:25,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:33:25,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:33:25,053 INFO L87 Difference]: Start difference. First operand 50721 states and 55808 transitions. Second operand has 5 states, 5 states have (on average 149.4) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:28,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:28,135 INFO L93 Difference]: Finished difference Result 112517 states and 123809 transitions. [2023-11-29 00:33:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:28,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 149.4) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 747 [2023-11-29 00:33:28,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:28,195 INFO L225 Difference]: With dead ends: 112517 [2023-11-29 00:33:28,195 INFO L226 Difference]: Without dead ends: 60947 [2023-11-29 00:33:28,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1495 GetRequests, 1489 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:33:28,218 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 481 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 3085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:28,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 147 Invalid, 3085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 00:33:28,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60947 states. [2023-11-29 00:33:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60947 to 50307. [2023-11-29 00:33:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50307 states, 50306 states have (on average 1.0974237665487219) internal successors, (55207), 50306 states have internal predecessors, (55207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50307 states to 50307 states and 55207 transitions. [2023-11-29 00:33:28,994 INFO L78 Accepts]: Start accepts. Automaton has 50307 states and 55207 transitions. Word has length 747 [2023-11-29 00:33:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:28,995 INFO L495 AbstractCegarLoop]: Abstraction has 50307 states and 55207 transitions. [2023-11-29 00:33:28,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 149.4) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 50307 states and 55207 transitions. [2023-11-29 00:33:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2023-11-29 00:33:29,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:29,034 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:29,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:33:29,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 00:33:29,235 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:29,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:29,235 INFO L85 PathProgramCache]: Analyzing trace with hash 377011437, now seen corresponding path program 1 times [2023-11-29 00:33:29,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:29,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654760455] [2023-11-29 00:33:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-29 00:33:30,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:30,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654760455] [2023-11-29 00:33:30,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654760455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:30,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:30,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:30,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416867898] [2023-11-29 00:33:30,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:30,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:30,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:30,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:30,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:30,146 INFO L87 Difference]: Start difference. First operand 50307 states and 55207 transitions. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:32,347 INFO L93 Difference]: Finished difference Result 113812 states and 125095 transitions. [2023-11-29 00:33:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:32,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763 [2023-11-29 00:33:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:32,403 INFO L225 Difference]: With dead ends: 113812 [2023-11-29 00:33:32,403 INFO L226 Difference]: Without dead ends: 63081 [2023-11-29 00:33:32,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:32,427 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 322 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:32,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 748 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:33:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63081 states. [2023-11-29 00:33:33,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63081 to 60944. [2023-11-29 00:33:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60944 states, 60943 states have (on average 1.091282017623025) internal successors, (66506), 60943 states have internal predecessors, (66506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60944 states to 60944 states and 66506 transitions. [2023-11-29 00:33:33,191 INFO L78 Accepts]: Start accepts. Automaton has 60944 states and 66506 transitions. Word has length 763 [2023-11-29 00:33:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:33,192 INFO L495 AbstractCegarLoop]: Abstraction has 60944 states and 66506 transitions. [2023-11-29 00:33:33,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60944 states and 66506 transitions. [2023-11-29 00:33:33,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2023-11-29 00:33:33,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:33,221 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:33,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:33:33,221 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:33,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1049861535, now seen corresponding path program 1 times [2023-11-29 00:33:33,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:33,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046835416] [2023-11-29 00:33:33,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 520 proven. 63 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-29 00:33:34,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:34,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046835416] [2023-11-29 00:33:34,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046835416] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:33:34,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143263460] [2023-11-29 00:33:34,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:34,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:34,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:33:34,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:33:34,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:33:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:34,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:33:34,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:33:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 520 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 00:33:35,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:33:35,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143263460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:35,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:33:35,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-29 00:33:35,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862918347] [2023-11-29 00:33:35,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:35,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:35,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:35,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:35,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:33:35,375 INFO L87 Difference]: Start difference. First operand 60944 states and 66506 transitions. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:37,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:37,368 INFO L93 Difference]: Finished difference Result 121884 states and 133008 transitions. [2023-11-29 00:33:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:33:37,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 841 [2023-11-29 00:33:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:37,430 INFO L225 Difference]: With dead ends: 121884 [2023-11-29 00:33:37,431 INFO L226 Difference]: Without dead ends: 60940 [2023-11-29 00:33:37,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 841 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:33:37,460 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 113 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:37,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 674 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:33:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60940 states. [2023-11-29 00:33:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60940 to 59662. [2023-11-29 00:33:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59662 states, 59661 states have (on average 1.070213372219708) internal successors, (63850), 59661 states have internal predecessors, (63850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59662 states to 59662 states and 63850 transitions. [2023-11-29 00:33:38,455 INFO L78 Accepts]: Start accepts. Automaton has 59662 states and 63850 transitions. Word has length 841 [2023-11-29 00:33:38,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:38,456 INFO L495 AbstractCegarLoop]: Abstraction has 59662 states and 63850 transitions. [2023-11-29 00:33:38,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 59662 states and 63850 transitions. [2023-11-29 00:33:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2023-11-29 00:33:38,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:38,518 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:38,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:33:38,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:33:38,719 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:38,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:38,720 INFO L85 PathProgramCache]: Analyzing trace with hash -714215222, now seen corresponding path program 1 times [2023-11-29 00:33:38,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:38,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15300889] [2023-11-29 00:33:38,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:38,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 651 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 00:33:40,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:40,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15300889] [2023-11-29 00:33:40,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15300889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:40,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:40,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:33:40,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390388910] [2023-11-29 00:33:40,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:40,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:33:40,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:40,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:33:40,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:40,031 INFO L87 Difference]: Start difference. First operand 59662 states and 63850 transitions. Second operand has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:43,288 INFO L93 Difference]: Finished difference Result 138072 states and 147658 transitions. [2023-11-29 00:33:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:43,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 870 [2023-11-29 00:33:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:43,350 INFO L225 Difference]: With dead ends: 138072 [2023-11-29 00:33:43,350 INFO L226 Difference]: Without dead ends: 77986 [2023-11-29 00:33:43,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:43,378 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 657 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2470 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:43,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 185 Invalid, 2820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2470 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 00:33:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77986 states. [2023-11-29 00:33:44,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77986 to 66468. [2023-11-29 00:33:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66468 states, 66467 states have (on average 1.0718100711631335) internal successors, (71240), 66467 states have internal predecessors, (71240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66468 states to 66468 states and 71240 transitions. [2023-11-29 00:33:44,121 INFO L78 Accepts]: Start accepts. Automaton has 66468 states and 71240 transitions. Word has length 870 [2023-11-29 00:33:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:44,121 INFO L495 AbstractCegarLoop]: Abstraction has 66468 states and 71240 transitions. [2023-11-29 00:33:44,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 66468 states and 71240 transitions. [2023-11-29 00:33:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-29 00:33:44,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:44,155 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:44,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:33:44,155 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:44,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash -960774548, now seen corresponding path program 1 times [2023-11-29 00:33:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:44,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475718505] [2023-11-29 00:33:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 693 proven. 82 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-29 00:33:45,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:45,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475718505] [2023-11-29 00:33:45,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475718505] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:33:45,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096732037] [2023-11-29 00:33:45,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:45,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:33:45,285 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:33:45,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:33:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:45,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:33:45,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:33:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 00:33:46,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:33:46,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096732037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:46,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:33:46,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2023-11-29 00:33:46,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000711136] [2023-11-29 00:33:46,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:46,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:33:46,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:46,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:33:46,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:33:46,306 INFO L87 Difference]: Start difference. First operand 66468 states and 71240 transitions. Second operand has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:50,175 INFO L93 Difference]: Finished difference Result 152095 states and 162909 transitions. [2023-11-29 00:33:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:50,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 939 [2023-11-29 00:33:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:50,239 INFO L225 Difference]: With dead ends: 152095 [2023-11-29 00:33:50,239 INFO L226 Difference]: Without dead ends: 85628 [2023-11-29 00:33:50,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 941 GetRequests, 937 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:33:50,262 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 532 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:50,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 224 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 00:33:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85628 states. [2023-11-29 00:33:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85628 to 72860. [2023-11-29 00:33:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72860 states, 72859 states have (on average 1.071768758835559) internal successors, (78088), 72859 states have internal predecessors, (78088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72860 states to 72860 states and 78088 transitions. [2023-11-29 00:33:50,974 INFO L78 Accepts]: Start accepts. Automaton has 72860 states and 78088 transitions. Word has length 939 [2023-11-29 00:33:50,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:50,975 INFO L495 AbstractCegarLoop]: Abstraction has 72860 states and 78088 transitions. [2023-11-29 00:33:50,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 72860 states and 78088 transitions. [2023-11-29 00:33:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 995 [2023-11-29 00:33:51,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:51,018 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:51,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:33:51,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:33:51,219 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:51,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1657006139, now seen corresponding path program 1 times [2023-11-29 00:33:51,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:51,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932629011] [2023-11-29 00:33:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 1118 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 00:33:52,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:52,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932629011] [2023-11-29 00:33:52,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932629011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:52,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:52,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:33:52,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051761685] [2023-11-29 00:33:52,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:52,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:33:52,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:52,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:33:52,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:52,430 INFO L87 Difference]: Start difference. First operand 72860 states and 78088 transitions. Second operand has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:55,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:33:55,668 INFO L93 Difference]: Finished difference Result 170009 states and 182488 transitions. [2023-11-29 00:33:55,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:33:55,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 994 [2023-11-29 00:33:55,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:33:55,748 INFO L225 Difference]: With dead ends: 170009 [2023-11-29 00:33:55,748 INFO L226 Difference]: Without dead ends: 98000 [2023-11-29 00:33:55,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:33:55,782 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 740 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:33:55,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 152 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 00:33:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98000 states. [2023-11-29 00:33:56,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98000 to 96288. [2023-11-29 00:33:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96288 states, 96287 states have (on average 1.0693655425966122) internal successors, (102966), 96287 states have internal predecessors, (102966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96288 states to 96288 states and 102966 transitions. [2023-11-29 00:33:56,845 INFO L78 Accepts]: Start accepts. Automaton has 96288 states and 102966 transitions. Word has length 994 [2023-11-29 00:33:56,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:33:56,846 INFO L495 AbstractCegarLoop]: Abstraction has 96288 states and 102966 transitions. [2023-11-29 00:33:56,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:33:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 96288 states and 102966 transitions. [2023-11-29 00:33:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2023-11-29 00:33:56,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:33:56,900 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:33:56,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:33:56,900 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:33:56,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:33:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash -339603122, now seen corresponding path program 1 times [2023-11-29 00:33:56,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:33:56,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433972274] [2023-11-29 00:33:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:33:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:33:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:33:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1345 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2023-11-29 00:33:57,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:33:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433972274] [2023-11-29 00:33:57,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433972274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:33:57,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:33:57,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:33:57,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302037475] [2023-11-29 00:33:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:33:57,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:33:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:33:57,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:33:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:33:57,967 INFO L87 Difference]: Start difference. First operand 96288 states and 102966 transitions. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:00,548 INFO L93 Difference]: Finished difference Result 208337 states and 223002 transitions. [2023-11-29 00:34:00,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:00,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1020 [2023-11-29 00:34:00,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:00,668 INFO L225 Difference]: With dead ends: 208337 [2023-11-29 00:34:00,668 INFO L226 Difference]: Without dead ends: 112900 [2023-11-29 00:34:00,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:00,805 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 354 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:00,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 700 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:34:00,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112900 states. [2023-11-29 00:34:01,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112900 to 109051. [2023-11-29 00:34:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109051 states, 109050 states have (on average 1.0667950481430537) internal successors, (116334), 109050 states have internal predecessors, (116334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109051 states to 109051 states and 116334 transitions. [2023-11-29 00:34:02,182 INFO L78 Accepts]: Start accepts. Automaton has 109051 states and 116334 transitions. Word has length 1020 [2023-11-29 00:34:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:02,183 INFO L495 AbstractCegarLoop]: Abstraction has 109051 states and 116334 transitions. [2023-11-29 00:34:02,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 109051 states and 116334 transitions. [2023-11-29 00:34:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2023-11-29 00:34:02,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:02,247 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:02,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:34:02,247 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:02,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash -549069888, now seen corresponding path program 1 times [2023-11-29 00:34:02,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:02,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847993928] [2023-11-29 00:34:02,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:02,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 1085 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2023-11-29 00:34:03,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:03,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847993928] [2023-11-29 00:34:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847993928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:03,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:03,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:34:03,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911757203] [2023-11-29 00:34:03,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:03,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:34:03,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:34:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:03,284 INFO L87 Difference]: Start difference. First operand 109051 states and 116334 transitions. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:05,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:05,507 INFO L93 Difference]: Finished difference Result 228326 states and 243481 transitions. [2023-11-29 00:34:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:05,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1030 [2023-11-29 00:34:05,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:05,632 INFO L225 Difference]: With dead ends: 228326 [2023-11-29 00:34:05,632 INFO L226 Difference]: Without dead ends: 120126 [2023-11-29 00:34:05,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:05,689 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 277 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:05,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 262 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 00:34:05,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120126 states. [2023-11-29 00:34:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120126 to 110759. [2023-11-29 00:34:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110759 states, 110758 states have (on average 1.0590566821358276) internal successors, (117299), 110758 states have internal predecessors, (117299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110759 states to 110759 states and 117299 transitions. [2023-11-29 00:34:07,243 INFO L78 Accepts]: Start accepts. Automaton has 110759 states and 117299 transitions. Word has length 1030 [2023-11-29 00:34:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:07,244 INFO L495 AbstractCegarLoop]: Abstraction has 110759 states and 117299 transitions. [2023-11-29 00:34:07,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 110759 states and 117299 transitions. [2023-11-29 00:34:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1038 [2023-11-29 00:34:07,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:07,307 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:07,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 00:34:07,307 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:07,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1694993659, now seen corresponding path program 1 times [2023-11-29 00:34:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:07,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688311987] [2023-11-29 00:34:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:07,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:34:08,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:08,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688311987] [2023-11-29 00:34:08,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688311987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:08,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:08,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:34:08,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069458304] [2023-11-29 00:34:08,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:08,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:08,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:08,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:08,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:08,633 INFO L87 Difference]: Start difference. First operand 110759 states and 117299 transitions. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:12,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:12,247 INFO L93 Difference]: Finished difference Result 239001 states and 252927 transitions. [2023-11-29 00:34:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:34:12,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1037 [2023-11-29 00:34:12,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:12,358 INFO L225 Difference]: With dead ends: 239001 [2023-11-29 00:34:12,358 INFO L226 Difference]: Without dead ends: 128668 [2023-11-29 00:34:12,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:12,399 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 670 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 2821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:12,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 159 Invalid, 2821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 00:34:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128668 states. [2023-11-29 00:34:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128668 to 111189. [2023-11-29 00:34:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111189 states, 111188 states have (on average 1.0592330107565564) internal successors, (117774), 111188 states have internal predecessors, (117774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111189 states to 111189 states and 117774 transitions. [2023-11-29 00:34:14,068 INFO L78 Accepts]: Start accepts. Automaton has 111189 states and 117774 transitions. Word has length 1037 [2023-11-29 00:34:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:14,069 INFO L495 AbstractCegarLoop]: Abstraction has 111189 states and 117774 transitions. [2023-11-29 00:34:14,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 111189 states and 117774 transitions. [2023-11-29 00:34:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2023-11-29 00:34:14,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:14,126 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:14,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 00:34:14,126 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:14,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash -124556123, now seen corresponding path program 1 times [2023-11-29 00:34:14,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:14,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631096291] [2023-11-29 00:34:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 1693 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2023-11-29 00:34:15,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:15,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631096291] [2023-11-29 00:34:15,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631096291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:15,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:15,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:34:15,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288049302] [2023-11-29 00:34:15,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:15,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:15,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:15,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:15,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:15,682 INFO L87 Difference]: Start difference. First operand 111189 states and 117774 transitions. Second operand has 4 states, 4 states have (on average 182.75) internal successors, (731), 4 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:19,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:19,208 INFO L93 Difference]: Finished difference Result 232608 states and 246254 transitions. [2023-11-29 00:34:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:34:19,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 182.75) internal successors, (731), 4 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1116 [2023-11-29 00:34:19,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:19,329 INFO L225 Difference]: With dead ends: 232608 [2023-11-29 00:34:19,329 INFO L226 Difference]: Without dead ends: 122270 [2023-11-29 00:34:19,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:19,371 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 610 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 3036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:19,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 341 Invalid, 3036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 00:34:19,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122270 states. [2023-11-29 00:34:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122270 to 115876. [2023-11-29 00:34:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115876 states, 115875 states have (on average 1.056267529665588) internal successors, (122395), 115875 states have internal predecessors, (122395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115876 states to 115876 states and 122395 transitions. [2023-11-29 00:34:21,120 INFO L78 Accepts]: Start accepts. Automaton has 115876 states and 122395 transitions. Word has length 1116 [2023-11-29 00:34:21,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:21,120 INFO L495 AbstractCegarLoop]: Abstraction has 115876 states and 122395 transitions. [2023-11-29 00:34:21,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 182.75) internal successors, (731), 4 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 115876 states and 122395 transitions. [2023-11-29 00:34:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1212 [2023-11-29 00:34:21,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:21,184 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:21,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 00:34:21,185 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:21,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:21,185 INFO L85 PathProgramCache]: Analyzing trace with hash 2076111826, now seen corresponding path program 1 times [2023-11-29 00:34:21,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:21,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384799386] [2023-11-29 00:34:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2793 backedges. 1599 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2023-11-29 00:34:22,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:22,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384799386] [2023-11-29 00:34:22,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384799386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:22,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:22,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:34:22,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303813620] [2023-11-29 00:34:22,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:22,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:34:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:34:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:22,052 INFO L87 Difference]: Start difference. First operand 115876 states and 122395 transitions. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 2 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:23,625 INFO L93 Difference]: Finished difference Result 206593 states and 217843 transitions. [2023-11-29 00:34:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:23,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 2 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1211 [2023-11-29 00:34:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:23,695 INFO L225 Difference]: With dead ends: 206593 [2023-11-29 00:34:23,695 INFO L226 Difference]: Without dead ends: 91567 [2023-11-29 00:34:23,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:23,723 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 499 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:23,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 70 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:34:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91567 states. [2023-11-29 00:34:24,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91567 to 85174. [2023-11-29 00:34:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85174 states, 85173 states have (on average 1.0534559073884917) internal successors, (89726), 85173 states have internal predecessors, (89726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85174 states to 85174 states and 89726 transitions. [2023-11-29 00:34:24,649 INFO L78 Accepts]: Start accepts. Automaton has 85174 states and 89726 transitions. Word has length 1211 [2023-11-29 00:34:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:24,650 INFO L495 AbstractCegarLoop]: Abstraction has 85174 states and 89726 transitions. [2023-11-29 00:34:24,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 2 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 85174 states and 89726 transitions. [2023-11-29 00:34:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1348 [2023-11-29 00:34:24,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:24,898 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:24,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 00:34:24,899 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:24,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2009245918, now seen corresponding path program 1 times [2023-11-29 00:34:24,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:24,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776433895] [2023-11-29 00:34:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 1275 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2023-11-29 00:34:26,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:26,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776433895] [2023-11-29 00:34:26,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776433895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:26,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:26,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:34:26,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96588391] [2023-11-29 00:34:26,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:26,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:34:26,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:26,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:34:26,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:26,318 INFO L87 Difference]: Start difference. First operand 85174 states and 89726 transitions. Second operand has 4 states, 4 states have (on average 196.5) internal successors, (786), 4 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:29,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:29,611 INFO L93 Difference]: Finished difference Result 198005 states and 208505 transitions. [2023-11-29 00:34:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:34:29,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 196.5) internal successors, (786), 4 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1347 [2023-11-29 00:34:29,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:29,717 INFO L225 Difference]: With dead ends: 198005 [2023-11-29 00:34:29,717 INFO L226 Difference]: Without dead ends: 113257 [2023-11-29 00:34:29,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:34:29,752 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 569 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:29,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 143 Invalid, 2553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 00:34:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113257 states. [2023-11-29 00:34:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113257 to 91564. [2023-11-29 00:34:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91564 states, 91563 states have (on average 1.0517348710723764) internal successors, (96300), 91563 states have internal predecessors, (96300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91564 states to 91564 states and 96300 transitions. [2023-11-29 00:34:30,898 INFO L78 Accepts]: Start accepts. Automaton has 91564 states and 96300 transitions. Word has length 1347 [2023-11-29 00:34:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:30,898 INFO L495 AbstractCegarLoop]: Abstraction has 91564 states and 96300 transitions. [2023-11-29 00:34:30,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 196.5) internal successors, (786), 4 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 91564 states and 96300 transitions. [2023-11-29 00:34:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2023-11-29 00:34:31,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:34:31,201 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:34:31,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 00:34:31,202 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:34:31,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:34:31,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2010066348, now seen corresponding path program 1 times [2023-11-29 00:34:31,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:34:31,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912039872] [2023-11-29 00:34:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:34:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:34:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:34:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2795 backedges. 1257 proven. 0 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2023-11-29 00:34:32,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:34:32,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912039872] [2023-11-29 00:34:32,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912039872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:34:32,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:34:32,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:34:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923088615] [2023-11-29 00:34:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:34:32,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:34:32,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:34:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:34:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:32,204 INFO L87 Difference]: Start difference. First operand 91564 states and 96300 transitions. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:34,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:34:34,089 INFO L93 Difference]: Finished difference Result 180985 states and 190355 transitions. [2023-11-29 00:34:34,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:34:34,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1546 [2023-11-29 00:34:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:34:34,091 INFO L225 Difference]: With dead ends: 180985 [2023-11-29 00:34:34,091 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:34:34,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:34:34,131 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 216 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:34:34,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 612 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 00:34:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:34:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:34:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:34:34,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1546 [2023-11-29 00:34:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:34:34,133 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:34:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:34:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:34:34,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:34:34,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:34:34,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 00:34:34,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:35:07,481 WARN L293 SmtUtils]: Spent 33.34s on a formula simplification. DAG size of input: 1020 DAG size of output: 1086 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 00:35:16,027 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 1086 DAG size of output: 99 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 00:35:16,031 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1687(lines 1687 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L2084(lines 2084 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1037) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1027-2(lines 1027 1037) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1560) no Hoare annotation was computed. [2023-11-29 00:35:16,032 INFO L899 garLoopResultBuilder]: For program point L1556-2(lines 1556 1560) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L1424(lines 1424 1433) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L1424-2(lines 1424 1433) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L2349(lines 2349 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L2085(lines 2085 2095) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L2085-2(lines 2085 2095) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L2482(lines 2482 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,033 INFO L899 garLoopResultBuilder]: For program point L2350(lines 2350 2360) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L2350-2(lines 2350 2360) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L104-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L1822(lines 1822 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L2219(lines 2219 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L1955(lines 1955 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,034 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L2220(lines 2220 2229) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L2220-2(lines 2220 2229) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L2485(lines 2485 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1703) no Hoare annotation was computed. [2023-11-29 00:35:16,035 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L1693-2(lines 1693 1703) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L110-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L1960(lines 1960 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,036 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L2489(lines 2489 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L1829(lines 1829 1840) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L1829-2(lines 1829 1840) no Hoare annotation was computed. [2023-11-29 00:35:16,037 INFO L899 garLoopResultBuilder]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L1169(lines 1169 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L1434(lines 1434 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 387) no Hoare annotation was computed. [2023-11-29 00:35:16,038 INFO L899 garLoopResultBuilder]: For program point L378-2(lines 378 387) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L2096(lines 2096 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L2361(lines 2361 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L2230(lines 2230 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L1966(lines 1966 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,039 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 918) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L909-2(lines 909 918) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L2496(lines 2496 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1439(lines 1439 1449) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1439-2(lines 1439 1449) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,040 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L1044(lines 1044 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L2102(lines 2102 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L650(lines 650 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,041 INFO L899 garLoopResultBuilder]: For program point L2368(lines 2368 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L2501(lines 2501 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L2105(lines 2105 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1974(lines 1974 1984) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1974-2(lines 1974 1984) no Hoare annotation was computed. [2023-11-29 00:35:16,042 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L1050(lines 1050 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,043 INFO L899 garLoopResultBuilder]: For program point L2241(lines 2241 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L2506(lines 2506 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L2242-2(lines 2242 2253) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L2375(lines 2375 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,044 INFO L899 garLoopResultBuilder]: For program point L2111(lines 2111 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L1847(lines 1847 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 210) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L1717(lines 1717 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,045 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1591) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1591) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1189(lines 1189 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1718(lines 1718 1727) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1718-2(lines 1718 1727) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L2115(lines 2115 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L2512(lines 2512 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,046 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L2116(lines 2116 2122) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L2116-2(lines 2116 2122) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L1852(lines 1852 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L2381(lines 2381 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,047 INFO L899 garLoopResultBuilder]: For program point L1985(lines 1985 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 541) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L532-2(lines 532 541) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 939) no Hoare annotation was computed. [2023-11-29 00:35:16,048 INFO L899 garLoopResultBuilder]: For program point L930-2(lines 930 939) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1855(lines 1855 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1195(lines 1195 1206) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1195-2(lines 1195 1206) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1989(lines 1989 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,049 INFO L899 garLoopResultBuilder]: For program point L1461(lines 1461 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L2254(lines 2254 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L2387(lines 2387 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L2255(lines 2255 2265) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L2255-2(lines 2255 2265) no Hoare annotation was computed. [2023-11-29 00:35:16,050 INFO L899 garLoopResultBuilder]: For program point L1066(lines 1066 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L2123(lines 2123 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L1728(lines 1728 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,051 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L1994(lines 1994 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L1862(lines 1862 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L2524(lines 2524 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L1467(lines 1467 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L2392(lines 2392 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,052 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L2128(lines 2128 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L1733(lines 1733 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,053 INFO L899 garLoopResultBuilder]: For program point L2527(lines 2527 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L1338(lines 1338 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1656 2582) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L1339(lines 1339 1348) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L1339-2(lines 1339 1348) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,054 INFO L899 garLoopResultBuilder]: For program point L1868(lines 1868 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L1472(lines 1472 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L2001(lines 2001 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L1869(lines 1869 1877) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L1869-2(lines 1869 1877) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 425) no Hoare annotation was computed. [2023-11-29 00:35:16,055 INFO L899 garLoopResultBuilder]: For program point L416-2(lines 416 425) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 296) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L2266(lines 2266 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 296) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1617) no Hoare annotation was computed. [2023-11-29 00:35:16,056 INFO L899 garLoopResultBuilder]: For program point L2399(lines 2399 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L2135(lines 2135 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L2532(lines 2532 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L2400(lines 2400 2412) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L2400-2(lines 2400 2412) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L1079(lines 1079 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L1740(lines 1740 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,057 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L2005(lines 2005 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L2139(lines 2139 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,058 INFO L899 garLoopResultBuilder]: For program point L2537(lines 2537 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2548) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L2538-2(lines 2538 2548) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,059 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L161-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L1086(lines 1086 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 567) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L1219(lines 1219 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,060 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L2145(lines 2145 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L2278(lines 2278 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L164-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,061 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L1751(lines 1751 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L1356(lines 1356 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L167-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L2017(lines 2017 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,062 INFO L899 garLoopResultBuilder]: For program point L1885(lines 1885 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L2414(lines 2414 2425) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L2414-2(lines 2414 2425) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L2150(lines 2150 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 707) no Hoare annotation was computed. [2023-11-29 00:35:16,063 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2023-11-29 00:35:16,064 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,064 INFO L899 garLoopResultBuilder]: For program point L1226(lines 1226 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,064 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,064 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,064 INFO L899 garLoopResultBuilder]: For program point L1755(lines 1755 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L2020(lines 2020 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,065 INFO L899 garLoopResultBuilder]: For program point L2549(lines 2549 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L173-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L1098(lines 1098 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L2155(lines 2155 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,066 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L1891(lines 1891 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L1231(lines 1231 1240) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L1231-2(lines 1231 1240) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L2554(lines 2554 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L1497(lines 1497 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,067 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L44-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L2026(lines 2026 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L1630(lines 1630 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L2291(lines 2291 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L575(lines 575 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L1500(lines 1500 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,068 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L1104(lines 1104 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L47-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L2426(lines 2426 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L2162(lines 2162 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L2030(lines 2030 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,069 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2040) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L2031-2(lines 2031 2040) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L182-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L50-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L2561(lines 2561 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,070 INFO L899 garLoopResultBuilder]: For program point L2297(lines 2297 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,071 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L1110(lines 1110 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L2167(lines 2167 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L53-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L2432(lines 2432 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1386) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L1375-2(lines 1375 1386) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L1905(lines 1905 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,072 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L1773(lines 1773 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L56-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L1642(lines 1642 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L2567(lines 2567 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L2303(lines 2303 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L982(lines 982 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,073 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L1116(lines 1116 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L2173(lines 2173 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,074 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L2041(lines 2041 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L1910(lines 1910 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L1514(lines 1514 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,075 INFO L899 garLoopResultBuilder]: For program point L2439(lines 2439 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L2307(lines 2307 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L2440(lines 2440 2449) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L2440-2(lines 2440 2449) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L1780(lines 1780 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L2573(lines 2573 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,076 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L2178(lines 2178 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L1254(lines 1254 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L65-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 868) no Hoare annotation was computed. [2023-11-29 00:35:16,077 INFO L899 garLoopResultBuilder]: For program point L858-2(lines 858 868) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1387(lines 1387 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1123(lines 1123 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L2048(lines 2048 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1916(lines 1916 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1917(lines 1917 1925) no Hoare annotation was computed. [2023-11-29 00:35:16,078 INFO L899 garLoopResultBuilder]: For program point L1917-2(lines 1917 1925) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L2182(lines 2182 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L68-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L1787(lines 1787 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,079 INFO L899 garLoopResultBuilder]: For program point L2317(lines 2317 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L203-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L2053(lines 2053 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L2450(lines 2450 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L1393(lines 1393 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L1129(lines 1129 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,080 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L2584(lines 2584 2600) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L206-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L2188(lines 2188 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L736-2(lines 736 746) no Hoare annotation was computed. [2023-11-29 00:35:16,081 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L1926(lines 1926 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L1794(lines 1794 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L2323(lines 2323 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,082 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L2456(lines 2456 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L2060(lines 2060 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,083 INFO L899 garLoopResultBuilder]: For program point L1664(lines 1664 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,084 INFO L895 garLoopResultBuilder]: At program point L2590-2(lines 2590 2599) the Hoare annotation is: (let ((.cse14 (<= ~a28~0 122557)) (.cse10 (<= 302 ~a28~0)) (.cse8 (<= (+ ~a28~0 167094) 0)) (.cse11 (= ~a24~0 1)) (.cse20 (<= 125 ~a26~0)) (.cse15 (<= ~a26~0 124)) (.cse13 (<= (+ ~a14~0 84) 0)) (.cse6 (<= 0 (+ 112 ~a14~0))) (.cse17 (<= ~a26~0 536167)) (.cse4 (<= 218 ~a26~0)) (.cse21 (<= (+ ~a14~0 182) 0)) (.cse1 (<= ~a26~0 600315)) (.cse2 (= ~a24~0 2)) (.cse12 (<= ~a26~0 217)) (.cse3 (<= (+ ~a14~0 114) 0)) (.cse19 (<= ~a28~0 134)) (.cse5 (<= 0 (+ ~a14~0 600000))) (.cse7 (<= 3 ~a24~0)) (.cse18 (<= ~a28~0 432928)) (.cse9 (<= (+ ~a26~0 68) 0)) (.cse0 (<= ~a21~0 124)) (.cse22 (<= ~a28~0 523599)) (.cse16 (<= 137 ~a28~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse0 .cse8 .cse9) (and .cse10 .cse11 .cse12) (and .cse11 .cse13) (and .cse0 .cse12 .cse2 .cse14) (and .cse7 .cse0 .cse15 .cse14 .cse6 .cse16) (and .cse0 .cse10 .cse17 .cse18 .cse2) (and .cse11 .cse9) (and .cse0 .cse1 .cse2 .cse19) (and .cse0 .cse12 .cse2 .cse6) (and .cse0 (<= (+ ~a26~0 766) 0) .cse2) (and (<= (+ ~a28~0 68275) 0) .cse11 .cse12) (and .cse11 .cse12 .cse20) (and .cse7 .cse0 .cse9 .cse5) (and .cse11 .cse8) (and .cse0 .cse11 .cse17 .cse20) (and .cse7 .cse0 .cse21 .cse5 .cse16) (and .cse7 .cse0 .cse15 .cse3 .cse5) (and .cse7 .cse0 .cse22 .cse3 (<= ~a26~0 215) .cse5) (and .cse7 .cse0 .cse22 .cse15 .cse13 .cse6) (and .cse0 .cse22 .cse17 .cse2 .cse4 .cse16) (and .cse0 .cse21 .cse1 .cse2 .cse16) (and .cse0 .cse12 .cse2 .cse3) (and .cse7 .cse0 .cse12 .cse3 .cse19 .cse5) (and (or (and .cse7 (<= (+ ~a26~0 538401) 0)) (and .cse7 .cse18 .cse9)) .cse0 .cse22 .cse16))) [2023-11-29 00:35:16,084 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,084 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,084 INFO L899 garLoopResultBuilder]: For program point L1005(lines 1005 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,084 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,084 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L2327(lines 2327 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 615) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L610-2(lines 610 615) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L1535(lines 1535 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L2328(lines 2328 2339) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L2328-2(lines 2328 2339) no Hoare annotation was computed. [2023-11-29 00:35:16,085 INFO L899 garLoopResultBuilder]: For program point L2196(lines 2196 2206) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L2196-2(lines 2196 2206) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L1932(lines 1932 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L1140(lines 1140 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L1801(lines 1801 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,086 INFO L899 garLoopResultBuilder]: For program point L1669(lines 1669 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1802(lines 1802 1810) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1802-2(lines 1802 1810) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L2595(line 2595) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1406(lines 1406 1415) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L2463(lines 2463 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L1406-2(lines 1406 1415) no Hoare annotation was computed. [2023-11-29 00:35:16,087 INFO L899 garLoopResultBuilder]: For program point L2067(lines 2067 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L1937(lines 1937 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L1541(lines 1541 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,088 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 627) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L617-2(lines 617 627) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L2073(lines 2073 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,089 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L2470(lines 2470 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L92-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L1942(lines 1942 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,090 INFO L899 garLoopResultBuilder]: For program point L1943(lines 1943 1954) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1943-2(lines 1943 1954) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L2340(lines 2340 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1416(lines 1416 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:35:16,091 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L2079(lines 2079 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L2344(lines 2344 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L759(lines 759 770) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L759-2(lines 759 770) no Hoare annotation was computed. [2023-11-29 00:35:16,092 INFO L899 garLoopResultBuilder]: For program point L2477(lines 2477 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L2213(lines 2213 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2580) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L1289(lines 1289 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 34 1654) no Hoare annotation was computed. [2023-11-29 00:35:16,093 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1652) no Hoare annotation was computed. [2023-11-29 00:35:16,097 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 00:35:16,099 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:35:16,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:35:16 BoogieIcfgContainer [2023-11-29 00:35:16,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:35:16,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:35:16,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:35:16,119 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:35:16,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:32:37" (3/4) ... [2023-11-29 00:35:16,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:35:16,162 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 00:35:16,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:35:16,173 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:35:16,178 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:35:16,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:35:16,578 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:35:16,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:35:16,579 INFO L158 Benchmark]: Toolchain (without parser) took 165604.70ms. Allocated memory was 169.9MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 117.5MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. [2023-11-29 00:35:16,579 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:35:16,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.89ms. Allocated memory is still 169.9MB. Free memory was 117.0MB in the beginning and 103.5MB in the end (delta: 13.5MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-11-29 00:35:16,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 283.30ms. Allocated memory is still 169.9MB. Free memory was 103.5MB in the beginning and 79.2MB in the end (delta: 24.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2023-11-29 00:35:16,580 INFO L158 Benchmark]: Boogie Preprocessor took 413.57ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 79.2MB in the beginning and 126.2MB in the end (delta: -47.0MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-11-29 00:35:16,580 INFO L158 Benchmark]: RCFGBuilder took 4380.47ms. Allocated memory was 230.7MB in the beginning and 367.0MB in the end (delta: 136.3MB). Free memory was 126.2MB in the beginning and 122.9MB in the end (delta: 3.3MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. [2023-11-29 00:35:16,580 INFO L158 Benchmark]: TraceAbstraction took 158850.23ms. Allocated memory was 367.0MB in the beginning and 10.1GB in the end (delta: 9.7GB). Free memory was 122.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-11-29 00:35:16,581 INFO L158 Benchmark]: Witness Printer took 459.37ms. Allocated memory is still 10.1GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 42.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-29 00:35:16,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.89ms. Allocated memory is still 169.9MB. Free memory was 117.0MB in the beginning and 103.5MB in the end (delta: 13.5MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 283.30ms. Allocated memory is still 169.9MB. Free memory was 103.5MB in the beginning and 79.2MB in the end (delta: 24.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 413.57ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 79.2MB in the beginning and 126.2MB in the end (delta: -47.0MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4380.47ms. Allocated memory was 230.7MB in the beginning and 367.0MB in the end (delta: 136.3MB). Free memory was 126.2MB in the beginning and 122.9MB in the end (delta: 3.3MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. * TraceAbstraction took 158850.23ms. Allocated memory was 367.0MB in the beginning and 10.1GB in the end (delta: 9.7GB). Free memory was 122.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. * Witness Printer took 459.37ms. Allocated memory is still 10.1GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 42.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 210]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 528 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 158.7s, OverallIterations: 28, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 72.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11925 SdHoareTripleChecker+Valid, 62.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11925 mSDsluCounter, 13379 SdHoareTripleChecker+Invalid, 54.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1578 mSDsCounter, 7381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43023 IncrementalHoareTripleChecker+Invalid, 50404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7381 mSolverCounterUnsat, 11801 mSDtfsCounter, 43023 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3980 GetRequests, 3931 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115876occurred in iteration=25, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 17.0s AutomataMinimizationTime, 28 MinimizatonAttempts, 124501 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 229 NumberOfFragments, 431 HoareAnnotationTreeSize, 1 FomulaSimplifications, 64398 FormulaSimplificationTreeSizeReduction, 33.3s HoareSimplificationTime, 1 FomulaSimplificationsInter, 30473 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 21888 NumberOfCodeBlocks, 21888 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 22602 ConstructedInterpolants, 0 QuantifiedInterpolants, 45504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3742 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 33 InterpolantComputations, 28 PerfectInterpolantSequences, 28853/29326 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a21 <= 124) && (a26 <= 600315)) && (a24 == 2)) && ((a14 + 114) <= 0)) && (218 <= a26)) && (0 <= (a14 + 600000))) || (((((a21 <= 124) && (a26 <= 600315)) && (a24 == 2)) && (218 <= a26)) && (0 <= (112 + a14)))) || ((((3 <= a24) && (a21 <= 124)) && ((a28 + 167094) <= 0)) && ((a26 + 68) <= 0))) || (((302 <= a28) && (a24 == 1)) && (a26 <= 217))) || ((a24 == 1) && ((a14 + 84) <= 0))) || ((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && (a28 <= 122557))) || ((((((3 <= a24) && (a21 <= 124)) && (a26 <= 124)) && (a28 <= 122557)) && (0 <= (112 + a14))) && (137 <= a28))) || (((((a21 <= 124) && (302 <= a28)) && (a26 <= 536167)) && (a28 <= 432928)) && (a24 == 2))) || ((a24 == 1) && ((a26 + 68) <= 0))) || ((((a21 <= 124) && (a26 <= 600315)) && (a24 == 2)) && (a28 <= 134))) || ((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && (0 <= (112 + a14)))) || (((a21 <= 124) && ((a26 + 766) <= 0)) && (a24 == 2))) || ((((a28 + 68275) <= 0) && (a24 == 1)) && (a26 <= 217))) || (((a24 == 1) && (a26 <= 217)) && (125 <= a26))) || ((((3 <= a24) && (a21 <= 124)) && ((a26 + 68) <= 0)) && (0 <= (a14 + 600000)))) || ((a24 == 1) && ((a28 + 167094) <= 0))) || ((((a21 <= 124) && (a24 == 1)) && (a26 <= 536167)) && (125 <= a26))) || (((((3 <= a24) && (a21 <= 124)) && ((a14 + 182) <= 0)) && (0 <= (a14 + 600000))) && (137 <= a28))) || (((((3 <= a24) && (a21 <= 124)) && (a26 <= 124)) && ((a14 + 114) <= 0)) && (0 <= (a14 + 600000)))) || ((((((3 <= a24) && (a21 <= 124)) && (a28 <= 523599)) && ((a14 + 114) <= 0)) && (a26 <= 215)) && (0 <= (a14 + 600000)))) || ((((((3 <= a24) && (a21 <= 124)) && (a28 <= 523599)) && (a26 <= 124)) && ((a14 + 84) <= 0)) && (0 <= (112 + a14)))) || ((((((a21 <= 124) && (a28 <= 523599)) && (a26 <= 536167)) && (a24 == 2)) && (218 <= a26)) && (137 <= a28))) || (((((a21 <= 124) && ((a14 + 182) <= 0)) && (a26 <= 600315)) && (a24 == 2)) && (137 <= a28))) || ((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && ((a14 + 114) <= 0))) || ((((((3 <= a24) && (a21 <= 124)) && (a26 <= 217)) && ((a14 + 114) <= 0)) && (a28 <= 134)) && (0 <= (a14 + 600000)))) || ((((((3 <= a24) && ((a26 + 538401) <= 0)) || (((3 <= a24) && (a28 <= 432928)) && ((a26 + 68) <= 0))) && (a21 <= 124)) && (a28 <= 523599)) && (137 <= a28))) RESULT: Ultimate proved your program to be correct! [2023-11-29 00:35:16,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67dfd56f-68f4-4c40-a0c1-dbb265e1a727/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE