./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/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_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/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_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/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 02a46d4d5c96ca48bb00b0ccf13d03f94a934872e425472af0469d5ca6049200 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:24:44,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:24:44,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:24:44,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:24:44,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:24:44,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:24:44,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:24:44,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:24:44,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:24:44,352 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:24:44,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:24:44,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:24:44,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:24:44,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:24:44,355 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:24:44,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:24:44,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:24:44,357 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:24:44,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:24:44,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:24:44,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:24:44,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:24:44,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:24:44,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:24:44,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:24:44,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:24:44,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:24:44,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:24:44,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:24:44,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:24:44,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:24:44,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:44,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:24:44,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:24:44,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:24:44,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:24:44,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:24:44,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:24:44,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:24:44,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:24:44,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:24:44,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:24:44,366 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_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a46d4d5c96ca48bb00b0ccf13d03f94a934872e425472af0469d5ca6049200 [2023-11-29 03:24:44,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:24:44,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:24:44,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:24:44,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:24:44,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:24:44,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2023-11-29 03:24:47,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:24:47,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:24:47,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2023-11-29 03:24:47,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/data/ed16f1ce8/4f00b6f606c64b60ad0eeeb8aa1853e5/FLAG3420c1222 [2023-11-29 03:24:47,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/data/ed16f1ce8/4f00b6f606c64b60ad0eeeb8aa1853e5 [2023-11-29 03:24:47,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:24:47,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:24:47,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:47,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:24:47,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:24:47,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:47" (1/1) ... [2023-11-29 03:24:47,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521b28a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:47, skipping insertion in model container [2023-11-29 03:24:47,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:47" (1/1) ... [2023-11-29 03:24:48,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:24:48,172 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_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/sv-benchmarks/c/eca-rers2012/Problem10_label56.c[2832,2845] [2023-11-29 03:24:48,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:48,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:24:48,344 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_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/sv-benchmarks/c/eca-rers2012/Problem10_label56.c[2832,2845] [2023-11-29 03:24:48,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:48,437 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:24:48,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48 WrapperNode [2023-11-29 03:24:48,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:48,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:48,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:24:48,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:24:48,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,528 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-11-29 03:24:48,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:48,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:24:48,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:24:48,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:24:48,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,547 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,577 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 03:24:48,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:24:48,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:24:48,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:24:48,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:24:48,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (1/1) ... [2023-11-29 03:24:48,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:48,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:24:48,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:24:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:24:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:24:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:24:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:24:48,778 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:24:48,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:24:49,742 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:24:49,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:24:49,787 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:24:49,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:49 BoogieIcfgContainer [2023-11-29 03:24:49,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:24:49,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:24:49,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:24:49,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:24:49,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:24:47" (1/3) ... [2023-11-29 03:24:49,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3c2270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:49, skipping insertion in model container [2023-11-29 03:24:49,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:48" (2/3) ... [2023-11-29 03:24:49,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3c2270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:49, skipping insertion in model container [2023-11-29 03:24:49,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:49" (3/3) ... [2023-11-29 03:24:49,795 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label56.c [2023-11-29 03:24:49,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:24:49,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:24:49,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:24:49,894 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;@6ca4fb8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:24:49,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:24:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 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 03:24:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 03:24:49,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:49,905 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] [2023-11-29 03:24:49,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:49,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:49,911 INFO L85 PathProgramCache]: Analyzing trace with hash 178922944, now seen corresponding path program 1 times [2023-11-29 03:24:49,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:49,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209768429] [2023-11-29 03:24:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:49,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:50,047 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 03:24:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209768429] [2023-11-29 03:24:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209768429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:50,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:50,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324078246] [2023-11-29 03:24:50,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:50,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:24:50,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:24:50,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:24:50,080 INFO L87 Difference]: Start difference. First operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 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 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 03:24:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:50,115 INFO L93 Difference]: Finished difference Result 287 states and 563 transitions. [2023-11-29 03:24:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:24:50,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2023-11-29 03:24:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:50,127 INFO L225 Difference]: With dead ends: 287 [2023-11-29 03:24:50,127 INFO L226 Difference]: Without dead ends: 142 [2023-11-29 03:24:50,130 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 03:24:50,133 INFO L413 NwaCegarLoop]: 217 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, 217 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 03:24:50,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:24:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-29 03:24:50,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-29 03:24:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 141 states have internal predecessors, (217), 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 03:24:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2023-11-29 03:24:50,172 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 22 [2023-11-29 03:24:50,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:50,172 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2023-11-29 03:24:50,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 03:24:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2023-11-29 03:24:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 03:24:50,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:50,174 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] [2023-11-29 03:24:50,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:24:50,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:50,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1517123994, now seen corresponding path program 1 times [2023-11-29 03:24:50,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:50,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889285852] [2023-11-29 03:24:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:50,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:50,298 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 03:24:50,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:50,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889285852] [2023-11-29 03:24:50,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889285852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:50,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:50,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:50,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367142778] [2023-11-29 03:24:50,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:50,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:50,303 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 03:24:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:50,927 INFO L93 Difference]: Finished difference Result 422 states and 648 transitions. [2023-11-29 03:24:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:50,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2023-11-29 03:24:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:50,931 INFO L225 Difference]: With dead ends: 422 [2023-11-29 03:24:50,931 INFO L226 Difference]: Without dead ends: 281 [2023-11-29 03:24:50,932 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 03:24:50,934 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:50,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 65 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:24:50,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-29 03:24:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-29 03:24:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.3428571428571427) internal successors, (376), 280 states have internal predecessors, (376), 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 03:24:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 376 transitions. [2023-11-29 03:24:50,962 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 376 transitions. Word has length 22 [2023-11-29 03:24:50,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:50,962 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 376 transitions. [2023-11-29 03:24:50,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 03:24:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 376 transitions. [2023-11-29 03:24:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 03:24:50,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:50,967 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 03:24:50,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:24:50,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:50,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash -951428231, now seen corresponding path program 1 times [2023-11-29 03:24:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565183602] [2023-11-29 03:24:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:51,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:51,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565183602] [2023-11-29 03:24:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565183602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:51,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:51,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:24:51,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952838866] [2023-11-29 03:24:51,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:51,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:51,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:51,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:51,312 INFO L87 Difference]: Start difference. First operand 281 states and 376 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:51,831 INFO L93 Difference]: Finished difference Result 700 states and 966 transitions. [2023-11-29 03:24:51,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:51,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-11-29 03:24:51,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:51,837 INFO L225 Difference]: With dead ends: 700 [2023-11-29 03:24:51,837 INFO L226 Difference]: Without dead ends: 420 [2023-11-29 03:24:51,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 03:24:51,840 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 141 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:51,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 19 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:51,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-11-29 03:24:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2023-11-29 03:24:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.3842482100238664) internal successors, (580), 419 states have internal predecessors, (580), 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 03:24:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 580 transitions. [2023-11-29 03:24:51,864 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 580 transitions. Word has length 88 [2023-11-29 03:24:51,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:51,865 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 580 transitions. [2023-11-29 03:24:51,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 580 transitions. [2023-11-29 03:24:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:24:51,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:51,871 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 03:24:51,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:24:51,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:51,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -455156137, now seen corresponding path program 1 times [2023-11-29 03:24:51,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:51,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269053028] [2023-11-29 03:24:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:52,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:52,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269053028] [2023-11-29 03:24:52,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269053028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:52,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:52,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:52,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843322480] [2023-11-29 03:24:52,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:52,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:52,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:52,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:52,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:52,119 INFO L87 Difference]: Start difference. First operand 420 states and 580 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 03:24:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:52,600 INFO L93 Difference]: Finished difference Result 978 states and 1318 transitions. [2023-11-29 03:24:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:52,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 105 [2023-11-29 03:24:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:52,605 INFO L225 Difference]: With dead ends: 978 [2023-11-29 03:24:52,605 INFO L226 Difference]: Without dead ends: 559 [2023-11-29 03:24:52,606 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 03:24:52,607 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 58 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:52,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 75 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:52,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-11-29 03:24:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2023-11-29 03:24:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.3064516129032258) internal successors, (729), 558 states have internal predecessors, (729), 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 03:24:52,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 729 transitions. [2023-11-29 03:24:52,628 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 729 transitions. Word has length 105 [2023-11-29 03:24:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:52,629 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 729 transitions. [2023-11-29 03:24:52,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 03:24:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 729 transitions. [2023-11-29 03:24:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 03:24:52,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:52,633 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 03:24:52,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:24:52,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:52,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:52,634 INFO L85 PathProgramCache]: Analyzing trace with hash -273897749, now seen corresponding path program 1 times [2023-11-29 03:24:52,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:52,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853984175] [2023-11-29 03:24:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:52,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:52,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853984175] [2023-11-29 03:24:52,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853984175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:52,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:52,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:52,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098904987] [2023-11-29 03:24:52,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:52,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:52,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:52,787 INFO L87 Difference]: Start difference. First operand 559 states and 729 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 03:24:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:53,291 INFO L93 Difference]: Finished difference Result 1256 states and 1671 transitions. [2023-11-29 03:24:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:53,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2023-11-29 03:24:53,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:53,297 INFO L225 Difference]: With dead ends: 1256 [2023-11-29 03:24:53,297 INFO L226 Difference]: Without dead ends: 837 [2023-11-29 03:24:53,298 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 03:24:53,299 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:53,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 32 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:53,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-11-29 03:24:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2023-11-29 03:24:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 836 states have (on average 1.2284688995215312) internal successors, (1027), 836 states have internal predecessors, (1027), 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 03:24:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1027 transitions. [2023-11-29 03:24:53,323 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1027 transitions. Word has length 113 [2023-11-29 03:24:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:53,324 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1027 transitions. [2023-11-29 03:24:53,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 03:24:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1027 transitions. [2023-11-29 03:24:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 03:24:53,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:53,328 INFO L195 NwaCegarLoop]: trace histogram [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, 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 03:24:53,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:24:53,328 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:53,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1799416420, now seen corresponding path program 1 times [2023-11-29 03:24:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:53,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884061565] [2023-11-29 03:24:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 03:24:53,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:53,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884061565] [2023-11-29 03:24:53,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884061565] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:53,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546172589] [2023-11-29 03:24:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:53,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:53,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:53,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:24:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:53,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:24:53,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-29 03:24:54,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:24:54,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546172589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:54,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:24:54,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-29 03:24:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651675671] [2023-11-29 03:24:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:54,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:54,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:54,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:54,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:54,068 INFO L87 Difference]: Start difference. First operand 837 states and 1027 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:54,562 INFO L93 Difference]: Finished difference Result 1256 states and 1546 transitions. [2023-11-29 03:24:54,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:54,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2023-11-29 03:24:54,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:54,570 INFO L225 Difference]: With dead ends: 1256 [2023-11-29 03:24:54,571 INFO L226 Difference]: Without dead ends: 1254 [2023-11-29 03:24:54,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:24:54,572 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 96 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:54,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 9 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:54,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2023-11-29 03:24:54,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 976. [2023-11-29 03:24:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 975 states have (on average 1.2471794871794872) internal successors, (1216), 975 states have internal predecessors, (1216), 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 03:24:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1216 transitions. [2023-11-29 03:24:54,607 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1216 transitions. Word has length 171 [2023-11-29 03:24:54,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:54,607 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1216 transitions. [2023-11-29 03:24:54,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1216 transitions. [2023-11-29 03:24:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-29 03:24:54,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:54,610 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:24:54,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 03:24:54,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:54,811 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:54,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1396425077, now seen corresponding path program 1 times [2023-11-29 03:24:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:54,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762493932] [2023-11-29 03:24:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:54,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:54,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762493932] [2023-11-29 03:24:54,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762493932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:54,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:54,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:24:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173432499] [2023-11-29 03:24:54,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:54,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:54,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:54,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:54,995 INFO L87 Difference]: Start difference. First operand 976 states and 1216 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 03:24:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:55,479 INFO L93 Difference]: Finished difference Result 1951 states and 2466 transitions. [2023-11-29 03:24:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 225 [2023-11-29 03:24:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:55,486 INFO L225 Difference]: With dead ends: 1951 [2023-11-29 03:24:55,486 INFO L226 Difference]: Without dead ends: 1115 [2023-11-29 03:24:55,488 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 03:24:55,488 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:55,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 212 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2023-11-29 03:24:55,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2023-11-29 03:24:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 1.2253141831238779) internal successors, (1365), 1114 states have internal predecessors, (1365), 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 03:24:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1365 transitions. [2023-11-29 03:24:55,516 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1365 transitions. Word has length 225 [2023-11-29 03:24:55,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:55,517 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1365 transitions. [2023-11-29 03:24:55,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 03:24:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1365 transitions. [2023-11-29 03:24:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-11-29 03:24:55,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:55,522 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:24:55,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:24:55,522 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:55,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash -825600127, now seen corresponding path program 1 times [2023-11-29 03:24:55,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:55,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482004915] [2023-11-29 03:24:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:55,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:56,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:56,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482004915] [2023-11-29 03:24:56,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482004915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:56,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:56,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:24:56,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244239435] [2023-11-29 03:24:56,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:56,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:24:56,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:56,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:24:56,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:24:56,021 INFO L87 Difference]: Start difference. First operand 1115 states and 1365 transitions. Second operand has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 6 states have internal predecessors, (234), 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 03:24:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:24:56,574 INFO L93 Difference]: Finished difference Result 2145 states and 2640 transitions. [2023-11-29 03:24:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:24:56,575 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 6 states have internal predecessors, (234), 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 234 [2023-11-29 03:24:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:24:56,579 INFO L225 Difference]: With dead ends: 2145 [2023-11-29 03:24:56,579 INFO L226 Difference]: Without dead ends: 1115 [2023-11-29 03:24:56,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:24:56,581 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 142 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:24:56,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 18 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:24:56,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2023-11-29 03:24:56,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2023-11-29 03:24:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 1.2190305206463197) internal successors, (1358), 1114 states have internal predecessors, (1358), 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 03:24:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1358 transitions. [2023-11-29 03:24:56,601 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1358 transitions. Word has length 234 [2023-11-29 03:24:56,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:24:56,601 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1358 transitions. [2023-11-29 03:24:56,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.42857142857143) internal successors, (234), 6 states have internal predecessors, (234), 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 03:24:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1358 transitions. [2023-11-29 03:24:56,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 03:24:56,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:24:56,606 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 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 03:24:56,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:24:56,607 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:24:56,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:56,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2049059289, now seen corresponding path program 1 times [2023-11-29 03:24:56,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:56,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290593380] [2023-11-29 03:24:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:56,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 26 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:57,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:57,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290593380] [2023-11-29 03:24:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290593380] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:24:57,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074613287] [2023-11-29 03:24:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:57,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:24:57,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:57,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:24:57,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:24:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:57,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:24:57,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:24:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:58,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:04,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (div c_~a1~0 5))) (let ((.cse2 (forall ((v_~a1~0_465 Int)) (or (< (+ 505228 .cse1) v_~a1~0_465) (< (div (* v_~a1~0_465 9) 10) 545151))))) (and (forall ((v_~a1~0_465 Int)) (let ((.cse0 (+ 505229 .cse1))) (or (< .cse0 v_~a1~0_465) (< (div (* v_~a1~0_465 9) 10) 545151) (= v_~a1~0_465 .cse0)))) (or (< c_~a1~0 0) .cse2) (or .cse2 (not (= (mod c_~a1~0 5) 0)))))) is different from false [2023-11-29 03:25:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 130 not checked. [2023-11-29 03:25:07,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074613287] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:25:07,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:25:07,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2023-11-29 03:25:07,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463258656] [2023-11-29 03:25:07,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:25:07,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:25:07,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:25:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=56, Unknown=1, NotChecked=16, Total=110 [2023-11-29 03:25:07,460 INFO L87 Difference]: Start difference. First operand 1115 states and 1358 transitions. Second operand has 11 states, 11 states have (on average 73.45454545454545) internal successors, (808), 10 states have internal predecessors, (808), 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 03:25:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:10,013 INFO L93 Difference]: Finished difference Result 4191 states and 5183 transitions. [2023-11-29 03:25:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:25:10,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 73.45454545454545) internal successors, (808), 10 states have internal predecessors, (808), 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 270 [2023-11-29 03:25:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:10,028 INFO L225 Difference]: With dead ends: 4191 [2023-11-29 03:25:10,028 INFO L226 Difference]: Without dead ends: 3200 [2023-11-29 03:25:10,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 533 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=62, Invalid=97, Unknown=1, NotChecked=22, Total=182 [2023-11-29 03:25:10,030 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 330 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 3809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 795 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:10,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 58 Invalid, 3809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 2543 Invalid, 0 Unknown, 795 Unchecked, 2.4s Time] [2023-11-29 03:25:10,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2023-11-29 03:25:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 1949. [2023-11-29 03:25:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1948 states have (on average 1.212012320328542) internal successors, (2361), 1948 states have internal predecessors, (2361), 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 03:25:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2361 transitions. [2023-11-29 03:25:10,071 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2361 transitions. Word has length 270 [2023-11-29 03:25:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:10,072 INFO L495 AbstractCegarLoop]: Abstraction has 1949 states and 2361 transitions. [2023-11-29 03:25:10,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 73.45454545454545) internal successors, (808), 10 states have internal predecessors, (808), 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 03:25:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2361 transitions. [2023-11-29 03:25:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-11-29 03:25:10,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:10,077 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 03:25:10,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:25:10,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:10,278 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:10,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash -525309130, now seen corresponding path program 1 times [2023-11-29 03:25:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:10,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47598954] [2023-11-29 03:25:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-29 03:25:10,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:10,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47598954] [2023-11-29 03:25:10,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47598954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:25:10,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:25:10,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:25:10,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802734075] [2023-11-29 03:25:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:10,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:25:10,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:10,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:25:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:10,683 INFO L87 Difference]: Start difference. First operand 1949 states and 2361 transitions. Second operand has 5 states, 5 states have (on average 44.2) internal successors, (221), 4 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 03:25:11,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:11,361 INFO L93 Difference]: Finished difference Result 3908 states and 4748 transitions. [2023-11-29 03:25:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:25:11,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 4 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 311 [2023-11-29 03:25:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:11,369 INFO L225 Difference]: With dead ends: 3908 [2023-11-29 03:25:11,369 INFO L226 Difference]: Without dead ends: 2088 [2023-11-29 03:25:11,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:11,371 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 148 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:11,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 17 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:25:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-11-29 03:25:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2023-11-29 03:25:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.1677048394825107) internal successors, (2437), 2087 states have internal predecessors, (2437), 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 03:25:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2437 transitions. [2023-11-29 03:25:11,402 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2437 transitions. Word has length 311 [2023-11-29 03:25:11,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:11,402 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2437 transitions. [2023-11-29 03:25:11,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 4 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 03:25:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2437 transitions. [2023-11-29 03:25:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-29 03:25:11,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:25:11,408 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 03:25:11,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:25:11,409 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:25:11,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:25:11,410 INFO L85 PathProgramCache]: Analyzing trace with hash 424025932, now seen corresponding path program 1 times [2023-11-29 03:25:11,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:25:11,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046595286] [2023-11-29 03:25:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:25:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-29 03:25:11,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:25:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046595286] [2023-11-29 03:25:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046595286] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173070724] [2023-11-29 03:25:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:25:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:25:11,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:25:11,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:25:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:25:12,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:25:12,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:25:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-29 03:25:12,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:25:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-29 03:25:12,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173070724] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 03:25:12,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:25:12,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2023-11-29 03:25:12,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048462061] [2023-11-29 03:25:12,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:25:12,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:25:12,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:25:12,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:25:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:12,261 INFO L87 Difference]: Start difference. First operand 2088 states and 2437 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 03:25:12,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:25:12,793 INFO L93 Difference]: Finished difference Result 4729 states and 5558 transitions. [2023-11-29 03:25:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:25:12,794 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 324 [2023-11-29 03:25:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:25:12,795 INFO L225 Difference]: With dead ends: 4729 [2023-11-29 03:25:12,795 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:25:12,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 646 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:25:12,799 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 123 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:25:12,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 178 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:25:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:25:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:25:12,800 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 03:25:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:25:12,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2023-11-29 03:25:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:25:12,801 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:25:12,801 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 03:25:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:25:12,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:25:12,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:25:12,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:25:13,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:25:13,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:25:13,434 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-11-29 03:25:13,434 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-11-29 03:25:13,434 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-11-29 03:25:13,435 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,436 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,437 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,438 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-11-29 03:25:13,439 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-11-29 03:25:13,440 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-11-29 03:25:13,441 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-11-29 03:25:13,442 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:25:13,443 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= ~a1~0 505232)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a10~0 4)) .cse0 .cse1 (<= (div (* 9 ~a1~0) 10) 545150)) (and (= ~a10~0 1) .cse0 .cse1 (= ~a19~0 8)) (and .cse2 .cse3 (<= 39 ~a1~0) .cse0 .cse1) (and .cse2 (<= (+ ~a1~0 13) 0) .cse0 .cse1) (and (= ~a19~0 9) .cse3 .cse0 .cse1))) [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,444 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,445 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-11-29 03:25:13,446 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-11-29 03:25:13,449 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:25:13,451 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:25:13,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:25:13 BoogieIcfgContainer [2023-11-29 03:25:13,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:25:13,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:25:13,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:25:13,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:25:13,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:49" (3/4) ... [2023-11-29 03:25:13,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:25:13,483 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 03:25:13,485 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:25:13,486 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:25:13,487 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:25:13,642 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:25:13,642 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:25:13,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:25:13,643 INFO L158 Benchmark]: Toolchain (without parser) took 25664.45ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 136.3MB in the beginning and 110.1MB in the end (delta: 26.2MB). Peak memory consumption was 158.6MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,643 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:25:13,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.96ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 108.8MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.02ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 100.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,644 INFO L158 Benchmark]: Boogie Preprocessor took 111.27ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 89.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,645 INFO L158 Benchmark]: RCFGBuilder took 1146.50ms. Allocated memory is still 169.9MB. Free memory was 89.9MB in the beginning and 72.9MB in the end (delta: 17.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,645 INFO L158 Benchmark]: TraceAbstraction took 23673.64ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 72.5MB in the beginning and 122.7MB in the end (delta: -50.2MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,645 INFO L158 Benchmark]: Witness Printer took 178.95ms. Allocated memory is still 299.9MB. Free memory was 122.7MB in the beginning and 110.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:25:13,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.96ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 108.8MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.02ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 100.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.27ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 89.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.50ms. Allocated memory is still 169.9MB. Free memory was 89.9MB in the beginning and 72.9MB in the end (delta: 17.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 23673.64ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 72.5MB in the beginning and 122.7MB in the end (delta: -50.2MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. * Witness Printer took 178.95ms. Allocated memory is still 299.9MB. Free memory was 122.7MB in the beginning and 110.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 83]: 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, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1256 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1256 mSDsluCounter, 900 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 795 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 953 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6470 IncrementalHoareTripleChecker+Invalid, 8218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 953 mSolverCounterUnsat, 811 mSDtfsCounter, 6470 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1362 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2088occurred in iteration=10, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 24 NumberOfFragments, 76 HoareAnnotationTreeSize, 1 FomulaSimplifications, 485 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 752 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 2650 NumberOfCodeBlocks, 2650 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3228 ConstructedInterpolants, 131 QuantifiedInterpolants, 20790 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1101 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 1698/2191 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: 592]: Loop Invariant Derived loop invariant: (((((((!((a10 == 4)) && (14 == a4)) && (a12 == 0)) && (((9 * a1) / 10) <= 545150)) || ((((a10 == 1) && (14 == a4)) && (a12 == 0)) && (a19 == 8))) || (((((a19 <= 9) && (a1 <= 505232)) && (39 <= a1)) && (14 == a4)) && (a12 == 0))) || ((((a19 <= 9) && ((a1 + 13) <= 0)) && (14 == a4)) && (a12 == 0))) || ((((a19 == 9) && (a1 <= 505232)) && (14 == a4)) && (a12 == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-29 03:25:13,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bcb50-4909-4ad7-ac7c-b13de8c1ba5f/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