./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.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_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI --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 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:45:40,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:45:40,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:45:40,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:45:40,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:45:40,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:45:40,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:45:40,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:45:40,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:45:40,477 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:45:40,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:45:40,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:45:40,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:45:40,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:45:40,482 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:45:40,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:45:40,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:45:40,483 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:45:40,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:45:40,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:45:40,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:45:40,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:45:40,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:45:40,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:45:40,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:45:40,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:45:40,504 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:45:40,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:45:40,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:45:40,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:45:40,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:45:40,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:45:40,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:45:40,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:45:40,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:45:40,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:45:40,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:45:40,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:45:40,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:45:40,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:45:40,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:45:40,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:45:40,511 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_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef [2023-11-24 21:45:40,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:45:40,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:45:40,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:45:40,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:45:40,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:45:40,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2023-11-24 21:45:43,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:45:44,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:45:44,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2023-11-24 21:45:44,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/data/d9737df36/11e8274a20064904ab4a59b5b6101934/FLAG8efb96842 [2023-11-24 21:45:44,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/data/d9737df36/11e8274a20064904ab4a59b5b6101934 [2023-11-24 21:45:44,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:45:44,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:45:44,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:45:44,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:45:44,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:45:44,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:45:44" (1/1) ... [2023-11-24 21:45:44,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e1ca39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:44, skipping insertion in model container [2023-11-24 21:45:44,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:45:44" (1/1) ... [2023-11-24 21:45:44,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:45:44,682 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_24eddaf8-a09f-49d0-a4ec-d746313802e4/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2023-11-24 21:45:44,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:45:44,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:45:44,942 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_24eddaf8-a09f-49d0-a4ec-d746313802e4/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2023-11-24 21:45:45,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:45:45,075 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:45:45,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45 WrapperNode [2023-11-24 21:45:45,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:45:45,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:45:45,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:45:45,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:45:45,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,299 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-11-24 21:45:45,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 21:45:45,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 21:45:45,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 21:45:45,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 21:45:45,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,379 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]. [2023-11-24 21:45:45,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 21:45:45,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 21:45:45,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 21:45:45,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 21:45:45,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (1/1) ... [2023-11-24 21:45:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:45:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:45:45,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 21:45:45,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 21:45:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 21:45:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-24 21:45:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 21:45:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 21:45:45,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 21:45:45,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 21:45:47,036 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 21:45:47,086 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 21:45:47,086 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 21:45:47,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:45:47 BoogieIcfgContainer [2023-11-24 21:45:47,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 21:45:47,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 21:45:47,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 21:45:47,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 21:45:47,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 09:45:44" (1/3) ... [2023-11-24 21:45:47,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7590c511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:45:47, skipping insertion in model container [2023-11-24 21:45:47,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:45:45" (2/3) ... [2023-11-24 21:45:47,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7590c511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 09:45:47, skipping insertion in model container [2023-11-24 21:45:47,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:45:47" (3/3) ... [2023-11-24 21:45:47,096 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2023-11-24 21:45:47,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 21:45:47,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 21:45:47,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 21:45:47,197 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;@7f2f2a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 21:45:47,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 21:45:47,204 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) [2023-11-24 21:45:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 21:45:47,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:47,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:47,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:47,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1635098126, now seen corresponding path program 1 times [2023-11-24 21:45:47,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:47,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713533532] [2023-11-24 21:45:47,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:47,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:47,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713533532] [2023-11-24 21:45:47,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713533532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:47,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:47,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 21:45:47,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262395023] [2023-11-24 21:45:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:47,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 21:45:47,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:47,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 21:45:47,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 21:45:47,534 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2023-11-24 21:45:47,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:47,599 INFO L93 Difference]: Finished difference Result 287 states and 563 transitions. [2023-11-24 21:45:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 21:45:47,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2023-11-24 21:45:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:47,615 INFO L225 Difference]: With dead ends: 287 [2023-11-24 21:45:47,615 INFO L226 Difference]: Without dead ends: 142 [2023-11-24 21:45:47,620 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 [2023-11-24 21:45:47,624 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 [2023-11-24 21:45:47,626 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] [2023-11-24 21:45:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-24 21:45:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-24 21:45:47,664 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) [2023-11-24 21:45:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2023-11-24 21:45:47,668 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 55 [2023-11-24 21:45:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:47,669 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2023-11-24 21:45:47,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2023-11-24 21:45:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2023-11-24 21:45:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 21:45:47,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:47,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:47,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 21:45:47,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:47,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash -964773571, now seen corresponding path program 1 times [2023-11-24 21:45:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345321271] [2023-11-24 21:45:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:47,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:47,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:47,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345321271] [2023-11-24 21:45:47,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345321271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 21:45:47,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150561000] [2023-11-24 21:45:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:47,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:47,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:47,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:47,960 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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) [2023-11-24 21:45:48,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:48,742 INFO L93 Difference]: Finished difference Result 422 states and 648 transitions. [2023-11-24 21:45:48,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:48,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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 55 [2023-11-24 21:45:48,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:48,746 INFO L225 Difference]: With dead ends: 422 [2023-11-24 21:45:48,747 INFO L226 Difference]: Without dead ends: 281 [2023-11-24 21:45:48,751 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 [2023-11-24 21:45:48,752 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 91 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 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, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:48,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 65 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 21:45:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-24 21:45:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-24 21:45:48,794 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) [2023-11-24 21:45:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 376 transitions. [2023-11-24 21:45:48,797 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 376 transitions. Word has length 55 [2023-11-24 21:45:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:48,797 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 376 transitions. [2023-11-24 21:45:48,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 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) [2023-11-24 21:45:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 376 transitions. [2023-11-24 21:45:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 21:45:48,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:48,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:48,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 21:45:48,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:48,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1888388361, now seen corresponding path program 1 times [2023-11-24 21:45:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:48,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063713640] [2023-11-24 21:45:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 21:45:49,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:49,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063713640] [2023-11-24 21:45:49,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063713640] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 21:45:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984119263] [2023-11-24 21:45:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 21:45:49,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:45:49,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 21:45:49,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 21:45:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:49,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 21:45:49,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:45:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-24 21:45:49,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:45:49,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984119263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:49,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 21:45:49,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-24 21:45:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518149068] [2023-11-24 21:45:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:49,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:49,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:49,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:49,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 21:45:49,661 INFO L87 Difference]: Start difference. First operand 281 states and 376 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 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) [2023-11-24 21:45:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:50,324 INFO L93 Difference]: Finished difference Result 561 states and 751 transitions. [2023-11-24 21:45:50,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:50,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 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 121 [2023-11-24 21:45:50,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:50,331 INFO L225 Difference]: With dead ends: 561 [2023-11-24 21:45:50,331 INFO L226 Difference]: Without dead ends: 559 [2023-11-24 21:45:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 21:45:50,339 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 114 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:50,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 9 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 21:45:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-11-24 21:45:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 420. [2023-11-24 21:45:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.4081145584725536) internal successors, (590), 419 states have internal predecessors, (590), 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) [2023-11-24 21:45:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 590 transitions. [2023-11-24 21:45:50,391 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 590 transitions. Word has length 121 [2023-11-24 21:45:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:50,395 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 590 transitions. [2023-11-24 21:45:50,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 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) [2023-11-24 21:45:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 590 transitions. [2023-11-24 21:45:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 21:45:50,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:50,406 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:50,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 21:45:50,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 21:45:50,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:50,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash -918722256, now seen corresponding path program 1 times [2023-11-24 21:45:50,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:50,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558718159] [2023-11-24 21:45:50,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:50,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:51,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558718159] [2023-11-24 21:45:51,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558718159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:51,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:51,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 21:45:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706144281] [2023-11-24 21:45:51,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:51,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:51,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:51,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:51,104 INFO L87 Difference]: Start difference. First operand 420 states and 590 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2023-11-24 21:45:51,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:51,662 INFO L93 Difference]: Finished difference Result 978 states and 1338 transitions. [2023-11-24 21:45:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:51,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2023-11-24 21:45:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:51,667 INFO L225 Difference]: With dead ends: 978 [2023-11-24 21:45:51,667 INFO L226 Difference]: Without dead ends: 559 [2023-11-24 21:45:51,670 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 [2023-11-24 21:45:51,671 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 72 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 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 [2023-11-24 21:45:51,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 75 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 21:45:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-11-24 21:45:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2023-11-24 21:45:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.3243727598566308) internal successors, (739), 558 states have internal predecessors, (739), 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) [2023-11-24 21:45:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 739 transitions. [2023-11-24 21:45:51,694 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 739 transitions. Word has length 124 [2023-11-24 21:45:51,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:51,694 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 739 transitions. [2023-11-24 21:45:51,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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) [2023-11-24 21:45:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 739 transitions. [2023-11-24 21:45:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 21:45:51,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:51,698 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:51,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 21:45:51,700 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:51,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash -53447199, now seen corresponding path program 1 times [2023-11-24 21:45:51,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:51,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571114083] [2023-11-24 21:45:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:52,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:52,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571114083] [2023-11-24 21:45:52,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571114083] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 21:45:52,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027563388] [2023-11-24 21:45:52,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:52,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 21:45:52,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:45:52,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 21:45:52,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 21:45:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:52,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 21:45:52,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:45:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:52,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:45:52,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027563388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:52,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 21:45:52,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-24 21:45:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088850975] [2023-11-24 21:45:52,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:52,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:52,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:52,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-24 21:45:52,334 INFO L87 Difference]: Start difference. First operand 559 states and 739 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-24 21:45:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:52,977 INFO L93 Difference]: Finished difference Result 1256 states and 1757 transitions. [2023-11-24 21:45:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2023-11-24 21:45:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:52,983 INFO L225 Difference]: With dead ends: 1256 [2023-11-24 21:45:52,983 INFO L226 Difference]: Without dead ends: 837 [2023-11-24 21:45:52,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-24 21:45:52,985 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 90 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:52,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 75 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 21:45:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-11-24 21:45:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 698. [2023-11-24 21:45:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 697 states have (on average 1.3242467718794835) internal successors, (923), 697 states have internal predecessors, (923), 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) [2023-11-24 21:45:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 923 transitions. [2023-11-24 21:45:53,004 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 923 transitions. Word has length 130 [2023-11-24 21:45:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:53,005 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 923 transitions. [2023-11-24 21:45:53,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-24 21:45:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 923 transitions. [2023-11-24 21:45:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-24 21:45:53,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:53,009 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:53,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 21:45:53,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 21:45:53,214 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:53,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1207532772, now seen corresponding path program 1 times [2023-11-24 21:45:53,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:53,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340059389] [2023-11-24 21:45:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-24 21:45:53,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:53,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340059389] [2023-11-24 21:45:53,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340059389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:53,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:53,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 21:45:53,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343072661] [2023-11-24 21:45:53,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:53,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:53,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:53,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:53,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:53,397 INFO L87 Difference]: Start difference. First operand 698 states and 923 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-11-24 21:45:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:53,927 INFO L93 Difference]: Finished difference Result 1534 states and 2039 transitions. [2023-11-24 21:45:53,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:53,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 190 [2023-11-24 21:45:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:53,933 INFO L225 Difference]: With dead ends: 1534 [2023-11-24 21:45:53,933 INFO L226 Difference]: Without dead ends: 976 [2023-11-24 21:45:53,934 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 [2023-11-24 21:45:53,935 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:53,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 32 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 21:45:53,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2023-11-24 21:45:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 976. [2023-11-24 21:45:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 975 states have (on average 1.2061538461538461) internal successors, (1176), 975 states have internal predecessors, (1176), 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) [2023-11-24 21:45:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1176 transitions. [2023-11-24 21:45:53,960 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1176 transitions. Word has length 190 [2023-11-24 21:45:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:53,960 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1176 transitions. [2023-11-24 21:45:53,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-11-24 21:45:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1176 transitions. [2023-11-24 21:45:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-24 21:45:53,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:53,965 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-24 21:45:53,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 21:45:53,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:53,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash 760087139, now seen corresponding path program 1 times [2023-11-24 21:45:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:53,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090840135] [2023-11-24 21:45:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:53,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:54,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090840135] [2023-11-24 21:45:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090840135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:54,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:54,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:45:54,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026850925] [2023-11-24 21:45:54,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:54,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:54,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:54,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:54,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:54,500 INFO L87 Difference]: Start difference. First operand 976 states and 1176 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2023-11-24 21:45:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:55,091 INFO L93 Difference]: Finished difference Result 2090 states and 2586 transitions. [2023-11-24 21:45:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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 207 [2023-11-24 21:45:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:55,099 INFO L225 Difference]: With dead ends: 2090 [2023-11-24 21:45:55,099 INFO L226 Difference]: Without dead ends: 1254 [2023-11-24 21:45:55,100 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 [2023-11-24 21:45:55,101 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 78 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:55,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 17 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 21:45:55,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2023-11-24 21:45:55,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1254. [2023-11-24 21:45:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1253 states have (on average 1.2250598563447725) internal successors, (1535), 1253 states have internal predecessors, (1535), 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) [2023-11-24 21:45:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1535 transitions. [2023-11-24 21:45:55,133 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1535 transitions. Word has length 207 [2023-11-24 21:45:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:55,134 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1535 transitions. [2023-11-24 21:45:55,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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) [2023-11-24 21:45:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1535 transitions. [2023-11-24 21:45:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-24 21:45:55,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:55,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-24 21:45:55,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-24 21:45:55,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:55,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash 206900687, now seen corresponding path program 1 times [2023-11-24 21:45:55,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:55,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827768145] [2023-11-24 21:45:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:55,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:55,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827768145] [2023-11-24 21:45:55,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827768145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:55,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:55,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:45:55,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858733879] [2023-11-24 21:45:55,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:55,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:55,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:55,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:55,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:55,375 INFO L87 Difference]: Start difference. First operand 1254 states and 1535 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 21:45:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:55,904 INFO L93 Difference]: Finished difference Result 2646 states and 3284 transitions. [2023-11-24 21:45:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:55,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2023-11-24 21:45:55,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:55,914 INFO L225 Difference]: With dead ends: 2646 [2023-11-24 21:45:55,914 INFO L226 Difference]: Without dead ends: 1532 [2023-11-24 21:45:55,916 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 [2023-11-24 21:45:55,916 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 52 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:55,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 210 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 21:45:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-11-24 21:45:55,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2023-11-24 21:45:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1979098628347484) internal successors, (1834), 1531 states have internal predecessors, (1834), 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) [2023-11-24 21:45:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1834 transitions. [2023-11-24 21:45:55,993 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1834 transitions. Word has length 215 [2023-11-24 21:45:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:55,994 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1834 transitions. [2023-11-24 21:45:55,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 21:45:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1834 transitions. [2023-11-24 21:45:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-24 21:45:56,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:56,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-24 21:45:56,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-24 21:45:56,003 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:56,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1279256296, now seen corresponding path program 1 times [2023-11-24 21:45:56,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:56,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184657995] [2023-11-24 21:45:56,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:56,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 21:45:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184657995] [2023-11-24 21:45:56,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184657995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:56,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:56,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 21:45:56,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695078492] [2023-11-24 21:45:56,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:56,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 21:45:56,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 21:45:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-24 21:45:56,627 INFO L87 Difference]: Start difference. First operand 1532 states and 1834 transitions. Second operand has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-24 21:45:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:57,471 INFO L93 Difference]: Finished difference Result 2979 states and 3578 transitions. [2023-11-24 21:45:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 21:45:57,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 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 262 [2023-11-24 21:45:57,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:57,481 INFO L225 Difference]: With dead ends: 2979 [2023-11-24 21:45:57,482 INFO L226 Difference]: Without dead ends: 1532 [2023-11-24 21:45:57,484 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 [2023-11-24 21:45:57,486 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 142 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:57,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 25 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-24 21:45:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-11-24 21:45:57,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2023-11-24 21:45:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1920313520574788) internal successors, (1825), 1531 states have internal predecessors, (1825), 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) [2023-11-24 21:45:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1825 transitions. [2023-11-24 21:45:57,531 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1825 transitions. Word has length 262 [2023-11-24 21:45:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:57,535 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1825 transitions. [2023-11-24 21:45:57,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-24 21:45:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1825 transitions. [2023-11-24 21:45:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-11-24 21:45:57,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:57,543 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-24 21:45:57,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-24 21:45:57,543 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:57,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1412690958, now seen corresponding path program 1 times [2023-11-24 21:45:57,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:57,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103024154] [2023-11-24 21:45:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-24 21:45:58,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:58,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103024154] [2023-11-24 21:45:58,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103024154] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 21:45:58,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259860349] [2023-11-24 21:45:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:58,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 21:45:58,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 21:45:58,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 21:45:58,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 21:45:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:58,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 21:45:58,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 21:45:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-24 21:45:58,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 21:45:58,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259860349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:58,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 21:45:58,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-24 21:45:58,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275889515] [2023-11-24 21:45:58,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:58,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:58,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:58,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:58,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-24 21:45:58,372 INFO L87 Difference]: Start difference. First operand 1532 states and 1825 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2023-11-24 21:45:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:45:58,956 INFO L93 Difference]: Finished difference Result 2090 states and 2471 transitions. [2023-11-24 21:45:58,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:45:58,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 298 [2023-11-24 21:45:58,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:45:58,968 INFO L225 Difference]: With dead ends: 2090 [2023-11-24 21:45:58,968 INFO L226 Difference]: Without dead ends: 2088 [2023-11-24 21:45:58,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-24 21:45:58,970 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 21:45:58,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 9 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 21:45:58,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-11-24 21:45:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1532. [2023-11-24 21:45:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1920313520574788) internal successors, (1825), 1531 states have internal predecessors, (1825), 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) [2023-11-24 21:45:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1825 transitions. [2023-11-24 21:45:59,014 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1825 transitions. Word has length 298 [2023-11-24 21:45:59,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:45:59,015 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1825 transitions. [2023-11-24 21:45:59,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2023-11-24 21:45:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1825 transitions. [2023-11-24 21:45:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-11-24 21:45:59,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:45:59,023 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:45:59,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 21:45:59,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-24 21:45:59,229 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:45:59,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:45:59,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1189776990, now seen corresponding path program 1 times [2023-11-24 21:45:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:45:59,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734349167] [2023-11-24 21:45:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:45:59,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:45:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:45:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-24 21:45:59,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:45:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734349167] [2023-11-24 21:45:59,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734349167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:45:59,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:45:59,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:45:59,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870151398] [2023-11-24 21:45:59,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:45:59,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:45:59,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:45:59,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:45:59,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:45:59,512 INFO L87 Difference]: Start difference. First operand 1532 states and 1825 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2023-11-24 21:46:00,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:46:00,102 INFO L93 Difference]: Finished difference Result 1673 states and 1974 transitions. [2023-11-24 21:46:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:46:00,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 333 [2023-11-24 21:46:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:46:00,112 INFO L225 Difference]: With dead ends: 1673 [2023-11-24 21:46:00,112 INFO L226 Difference]: Without dead ends: 1671 [2023-11-24 21:46:00,112 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 [2023-11-24 21:46:00,113 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 21:46:00,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 9 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 21:46:00,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2023-11-24 21:46:00,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1393. [2023-11-24 21:46:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1392 states have (on average 1.2033045977011494) internal successors, (1675), 1392 states have internal predecessors, (1675), 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) [2023-11-24 21:46:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1675 transitions. [2023-11-24 21:46:00,153 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1675 transitions. Word has length 333 [2023-11-24 21:46:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:46:00,153 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1675 transitions. [2023-11-24 21:46:00,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2023-11-24 21:46:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1675 transitions. [2023-11-24 21:46:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-24 21:46:00,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 21:46:00,162 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:46:00,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-24 21:46:00,162 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 21:46:00,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 21:46:00,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1136064194, now seen corresponding path program 1 times [2023-11-24 21:46:00,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 21:46:00,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900088144] [2023-11-24 21:46:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 21:46:00,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 21:46:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 21:46:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-24 21:46:00,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 21:46:00,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900088144] [2023-11-24 21:46:00,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900088144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 21:46:00,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 21:46:00,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 21:46:00,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238491565] [2023-11-24 21:46:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 21:46:00,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 21:46:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 21:46:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 21:46:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:46:00,813 INFO L87 Difference]: Start difference. First operand 1393 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-11-24 21:46:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 21:46:01,338 INFO L93 Difference]: Finished difference Result 2644 states and 3205 transitions. [2023-11-24 21:46:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 21:46:01,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 354 [2023-11-24 21:46:01,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 21:46:01,339 INFO L225 Difference]: With dead ends: 2644 [2023-11-24 21:46:01,339 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 21:46:01,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 21:46:01,343 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 108 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 21:46:01,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 17 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 21:46:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 21:46:01,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 21:46:01,345 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) [2023-11-24 21:46:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 21:46:01,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2023-11-24 21:46:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 21:46:01,345 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 21:46:01,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2023-11-24 21:46:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 21:46:01,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 21:46:01,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 21:46:01,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-24 21:46:01,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-11-24 21:46:01,502 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,503 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-11-24 21:46:01,504 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-11-24 21:46:01,504 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-11-24 21:46:01,504 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-11-24 21:46:01,505 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-11-24 21:46:01,505 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-11-24 21:46:01,505 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-11-24 21:46:01,506 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,506 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,506 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,506 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,507 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-11-24 21:46:01,508 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,509 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,510 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-11-24 21:46:01,511 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-11-24 21:46:01,512 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-11-24 21:46:01,513 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-11-24 21:46:01,513 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,513 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,513 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-11-24 21:46:01,514 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,515 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,516 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-11-24 21:46:01,517 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-11-24 21:46:01,518 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (not (= ~a10~0 2)) .cse1 .cse2) (and (<= ~a10~0 1) .cse1 .cse2) (and .cse0 (<= 7 ~a19~0) .cse1 .cse2))) [2023-11-24 21:46:01,518 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-11-24 21:46:01,518 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,518 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,518 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,518 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,519 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-24 21:46:01,519 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,519 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,519 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-11-24 21:46:01,521 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-11-24 21:46:01,522 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-11-24 21:46:01,523 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-11-24 21:46:01,526 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 21:46:01,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 21:46:01,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 09:46:01 BoogieIcfgContainer [2023-11-24 21:46:01,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 21:46:01,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 21:46:01,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 21:46:01,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 21:46:01,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 09:45:47" (3/4) ... [2023-11-24 21:46:01,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 21:46:01,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 21:46:01,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 21:46:01,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 21:46:01,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 21:46:01,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/witness.graphml [2023-11-24 21:46:01,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/witness.yml [2023-11-24 21:46:01,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 21:46:01,782 INFO L158 Benchmark]: Toolchain (without parser) took 17427.12ms. Allocated memory was 132.1MB in the beginning and 287.3MB in the end (delta: 155.2MB). Free memory was 85.3MB in the beginning and 151.2MB in the end (delta: -65.9MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,783 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 21:46:01,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.01ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 56.9MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.25ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 56.9MB in the beginning and 166.4MB in the end (delta: -109.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,784 INFO L158 Benchmark]: Boogie Preprocessor took 175.28ms. Allocated memory is still 199.2MB. Free memory was 166.4MB in the beginning and 156.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,785 INFO L158 Benchmark]: RCFGBuilder took 1610.11ms. Allocated memory is still 199.2MB. Free memory was 155.9MB in the beginning and 135.3MB in the end (delta: 20.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,785 INFO L158 Benchmark]: TraceAbstraction took 14455.16ms. Allocated memory was 199.2MB in the beginning and 287.3MB in the end (delta: 88.1MB). Free memory was 134.2MB in the beginning and 162.7MB in the end (delta: -28.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,786 INFO L158 Benchmark]: Witness Printer took 236.66ms. Allocated memory is still 287.3MB. Free memory was 162.7MB in the beginning and 151.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 21:46:01,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.01ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 56.9MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.25ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 56.9MB in the beginning and 166.4MB in the end (delta: -109.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.28ms. Allocated memory is still 199.2MB. Free memory was 166.4MB in the beginning and 156.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1610.11ms. Allocated memory is still 199.2MB. Free memory was 155.9MB in the beginning and 135.3MB in the end (delta: 20.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14455.16ms. Allocated memory was 199.2MB in the beginning and 287.3MB in the end (delta: 88.1MB). Free memory was 134.2MB in the beginning and 162.7MB in the end (delta: -28.5MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 236.66ms. Allocated memory is still 287.3MB. Free memory was 162.7MB in the beginning and 151.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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: 182]: 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: 14.4s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1108 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1108 mSDsluCounter, 760 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 613 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4517 IncrementalHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 613 mSolverCounterUnsat, 706 mSDtfsCounter, 4517 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1532occurred in iteration=8, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 12 NumberOfFragments, 38 HoareAnnotationTreeSize, 1 FomulaSimplifications, 198 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 260 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2893 NumberOfCodeBlocks, 2893 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2878 ConstructedInterpolants, 0 QuantifiedInterpolants, 9362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 2081/2211 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: ((((((a19 <= 9) && !((a10 == 2))) && (14 == a4)) && (a12 == 0)) || (((a10 <= 1) && (14 == a4)) && (a12 == 0))) || ((((a19 <= 9) && (7 <= a19)) && (14 == a4)) && (a12 == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-24 21:46:01,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eddaf8-a09f-49d0-a4ec-d746313802e4/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE