./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --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 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:33:39,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:33:39,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:33:39,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:33:39,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:33:39,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:33:39,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:33:39,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:33:39,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:33:39,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:33:39,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:33:39,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:33:39,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:33:39,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:33:39,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:33:39,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:33:39,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:33:39,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:33:39,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:33:39,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:33:39,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:33:39,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:33:39,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:33:39,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:33:39,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:33:39,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:33:39,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:33:39,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:33:39,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:33:39,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:33:39,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:33:39,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:33:39,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:33:39,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:33:39,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:33:39,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:33:39,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:33:39,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:33:39,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:33:39,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:33:39,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:33:39,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:33:39,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:33:39,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:33:39,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:33:39,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:33:39,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:33:39,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:33:39,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:33:39,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:33:39,489 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:33:39,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:33:39,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:33:39,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:33:39,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:33:39,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:33:39,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:33:39,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:33:39,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:33:39,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:33:39,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:33:39,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:33:39,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:33:39,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:33:39,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:33:39,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:33:39,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:33:39,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:33:39,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:33:39,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:33:39,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:33:39,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:33:39,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:33:39,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:33:39,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:33:39,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:33:39,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2021-11-13 18:33:39,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:33:39,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:33:39,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:33:39,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:33:39,802 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:33:39,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-11-13 18:33:39,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/data/700944312/398bf9802ef14d4eb62ba4c088a49944/FLAG06089852a [2021-11-13 18:33:40,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:33:40,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-11-13 18:33:40,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/data/700944312/398bf9802ef14d4eb62ba4c088a49944/FLAG06089852a [2021-11-13 18:33:41,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/data/700944312/398bf9802ef14d4eb62ba4c088a49944 [2021-11-13 18:33:41,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:33:41,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:33:41,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:33:41,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:33:41,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:33:41,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:33:41" (1/1) ... [2021-11-13 18:33:41,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0b12ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:41, skipping insertion in model container [2021-11-13 18:33:41,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:33:41" (1/1) ... [2021-11-13 18:33:41,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:33:41,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:33:42,248 WARN L228 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_b3d0d556-1fe7-4034-a286-4b9bc749f763/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-11-13 18:33:42,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:33:42,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:33:42,590 WARN L228 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_b3d0d556-1fe7-4034-a286-4b9bc749f763/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-11-13 18:33:42,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:33:42,608 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:33:42,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42 WrapperNode [2021-11-13 18:33:42,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:33:42,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:33:42,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:33:42,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:33:42,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:33:42,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:33:42,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:33:42,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:33:42,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:33:42,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:33:42,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:33:42,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:33:42,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (1/1) ... [2021-11-13 18:33:42,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:33:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:33:42,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:33:43,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:33:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:33:43,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:33:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:33:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:33:44,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:33:44,976 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-11-13 18:33:44,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:33:44 BoogieIcfgContainer [2021-11-13 18:33:44,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:33:44,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:33:44,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:33:44,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:33:44,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:33:41" (1/3) ... [2021-11-13 18:33:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530ea18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:33:44, skipping insertion in model container [2021-11-13 18:33:44,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:42" (2/3) ... [2021-11-13 18:33:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530ea18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:33:44, skipping insertion in model container [2021-11-13 18:33:44,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:33:44" (3/3) ... [2021-11-13 18:33:44,989 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-11-13 18:33:44,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:33:44,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:33:45,078 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:33:45,090 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:33:45,090 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:33:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 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) [2021-11-13 18:33:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 18:33:45,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:45,137 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:45,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:45,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:45,148 INFO L85 PathProgramCache]: Analyzing trace with hash 352572211, now seen corresponding path program 1 times [2021-11-13 18:33:45,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:45,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007424117] [2021-11-13 18:33:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:45,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:45,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:45,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007424117] [2021-11-13 18:33:45,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007424117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:45,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:45,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:33:45,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252580224] [2021-11-13 18:33:45,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:45,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:33:45,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:33:45,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:33:45,361 INFO L87 Difference]: Start difference. First operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-13 18:33:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:45,435 INFO L93 Difference]: Finished difference Result 463 states and 910 transitions. [2021-11-13 18:33:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:33:45,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-13 18:33:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:45,456 INFO L225 Difference]: With dead ends: 463 [2021-11-13 18:33:45,457 INFO L226 Difference]: Without dead ends: 224 [2021-11-13 18:33:45,462 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:45,470 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:45,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 7.47ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:33:45,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-13 18:33:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-11-13 18:33:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.7623318385650224) internal successors, (393), 223 states have internal predecessors, (393), 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) [2021-11-13 18:33:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 393 transitions. [2021-11-13 18:33:45,552 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 393 transitions. Word has length 9 [2021-11-13 18:33:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:45,553 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 393 transitions. [2021-11-13 18:33:45,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-13 18:33:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 393 transitions. [2021-11-13 18:33:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 18:33:45,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:45,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:45,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:33:45,557 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:45,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:45,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1422696861, now seen corresponding path program 1 times [2021-11-13 18:33:45,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:45,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009234955] [2021-11-13 18:33:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:45,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:45,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:45,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009234955] [2021-11-13 18:33:45,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009234955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:45,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:45,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:45,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140201993] [2021-11-13 18:33:45,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:45,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:45,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:45,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:45,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:45,653 INFO L87 Difference]: Start difference. First operand 224 states and 393 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-13 18:33:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:45,782 INFO L93 Difference]: Finished difference Result 449 states and 788 transitions. [2021-11-13 18:33:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:45,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-11-13 18:33:45,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:45,785 INFO L225 Difference]: With dead ends: 449 [2021-11-13 18:33:45,786 INFO L226 Difference]: Without dead ends: 227 [2021-11-13 18:33:45,787 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:45,789 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 4 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.63ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.17ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:45,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 715 Invalid, 67 Unknown, 0 Unchecked, 5.63ms Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 105.17ms Time] [2021-11-13 18:33:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-13 18:33:45,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-13 18:33:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.752212389380531) internal successors, (396), 226 states have internal predecessors, (396), 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) [2021-11-13 18:33:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 396 transitions. [2021-11-13 18:33:45,805 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 396 transitions. Word has length 10 [2021-11-13 18:33:45,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:45,806 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 396 transitions. [2021-11-13 18:33:45,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-13 18:33:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 396 transitions. [2021-11-13 18:33:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:33:45,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:45,808 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:45,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:33:45,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:45,809 INFO L85 PathProgramCache]: Analyzing trace with hash 658033430, now seen corresponding path program 1 times [2021-11-13 18:33:45,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:45,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310572372] [2021-11-13 18:33:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:45,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:45,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:45,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310572372] [2021-11-13 18:33:45,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310572372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:45,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:45,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:45,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075389825] [2021-11-13 18:33:45,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:45,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:45,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:45,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:45,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:45,880 INFO L87 Difference]: Start difference. First operand 227 states and 396 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-13 18:33:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:46,013 INFO L93 Difference]: Finished difference Result 457 states and 797 transitions. [2021-11-13 18:33:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:46,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-11-13 18:33:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:46,016 INFO L225 Difference]: With dead ends: 457 [2021-11-13 18:33:46,016 INFO L226 Difference]: Without dead ends: 233 [2021-11-13 18:33:46,018 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:46,026 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 44 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.35ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.86ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:46,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 676 Invalid, 71 Unknown, 0 Unchecked, 3.35ms Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 113.86ms Time] [2021-11-13 18:33:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-13 18:33:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2021-11-13 18:33:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.7391304347826086) internal successors, (400), 230 states have internal predecessors, (400), 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) [2021-11-13 18:33:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2021-11-13 18:33:46,053 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 15 [2021-11-13 18:33:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:46,053 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2021-11-13 18:33:46,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-13 18:33:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2021-11-13 18:33:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:33:46,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:46,060 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:46,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:33:46,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash 259035552, now seen corresponding path program 1 times [2021-11-13 18:33:46,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:46,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266873740] [2021-11-13 18:33:46,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:46,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:46,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:46,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266873740] [2021-11-13 18:33:46,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266873740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:46,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:46,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:46,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221835645] [2021-11-13 18:33:46,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:46,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:46,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:46,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:46,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:46,129 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-13 18:33:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:46,288 INFO L93 Difference]: Finished difference Result 272 states and 456 transitions. [2021-11-13 18:33:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:46,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-13 18:33:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:46,291 INFO L225 Difference]: With dead ends: 272 [2021-11-13 18:33:46,291 INFO L226 Difference]: Without dead ends: 266 [2021-11-13 18:33:46,292 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:46,293 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 41 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.69ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.44ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:46,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 702 Invalid, 87 Unknown, 0 Unchecked, 2.69ms Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 116.44ms Time] [2021-11-13 18:33:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-13 18:33:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 257. [2021-11-13 18:33:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.71875) internal successors, (440), 256 states have internal predecessors, (440), 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) [2021-11-13 18:33:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 440 transitions. [2021-11-13 18:33:46,305 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 440 transitions. Word has length 18 [2021-11-13 18:33:46,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:46,305 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 440 transitions. [2021-11-13 18:33:46,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-13 18:33:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 440 transitions. [2021-11-13 18:33:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 18:33:46,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:46,307 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:46,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:33:46,307 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:46,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:46,308 INFO L85 PathProgramCache]: Analyzing trace with hash -548412413, now seen corresponding path program 1 times [2021-11-13 18:33:46,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:46,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087255088] [2021-11-13 18:33:46,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:46,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:46,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:46,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087255088] [2021-11-13 18:33:46,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087255088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:46,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:46,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:46,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528723182] [2021-11-13 18:33:46,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:46,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:46,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:46,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:46,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:46,364 INFO L87 Difference]: Start difference. First operand 257 states and 440 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-13 18:33:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:46,501 INFO L93 Difference]: Finished difference Result 259 states and 441 transitions. [2021-11-13 18:33:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:46,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-13 18:33:46,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:46,504 INFO L225 Difference]: With dead ends: 259 [2021-11-13 18:33:46,505 INFO L226 Difference]: Without dead ends: 257 [2021-11-13 18:33:46,505 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:46,509 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 320 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.13ms SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.23ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:46,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 331 Invalid, 118 Unknown, 0 Unchecked, 3.13ms Time], IncrementalHoareTripleChecker [61 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 123.23ms Time] [2021-11-13 18:33:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-13 18:33:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2021-11-13 18:33:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.6875) internal successors, (432), 256 states have internal predecessors, (432), 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) [2021-11-13 18:33:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 432 transitions. [2021-11-13 18:33:46,526 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 432 transitions. Word has length 19 [2021-11-13 18:33:46,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:46,526 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 432 transitions. [2021-11-13 18:33:46,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-13 18:33:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 432 transitions. [2021-11-13 18:33:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 18:33:46,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:46,530 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:46,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:33:46,536 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:46,538 INFO L85 PathProgramCache]: Analyzing trace with hash -296229375, now seen corresponding path program 1 times [2021-11-13 18:33:46,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:46,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15414790] [2021-11-13 18:33:46,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:33:46,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:46,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15414790] [2021-11-13 18:33:46,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15414790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:46,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:46,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:46,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667288675] [2021-11-13 18:33:46,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:46,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:46,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:46,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:46,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:46,686 INFO L87 Difference]: Start difference. First operand 257 states and 432 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:33:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:47,252 INFO L93 Difference]: Finished difference Result 704 states and 1182 transitions. [2021-11-13 18:33:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:47,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-13 18:33:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:47,256 INFO L225 Difference]: With dead ends: 704 [2021-11-13 18:33:47,256 INFO L226 Difference]: Without dead ends: 444 [2021-11-13 18:33:47,257 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:47,258 INFO L933 BasicCegarLoop]: 494 mSDtfsCounter, 242 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 441.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.63ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 534.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:47,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 713 Invalid, 273 Unknown, 0 Unchecked, 5.63ms Time], IncrementalHoareTripleChecker [127 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 534.81ms Time] [2021-11-13 18:33:47,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-11-13 18:33:47,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 418. [2021-11-13 18:33:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.5419664268585132) internal successors, (643), 417 states have internal predecessors, (643), 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) [2021-11-13 18:33:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 643 transitions. [2021-11-13 18:33:47,273 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 643 transitions. Word has length 22 [2021-11-13 18:33:47,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:47,273 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 643 transitions. [2021-11-13 18:33:47,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:33:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 643 transitions. [2021-11-13 18:33:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 18:33:47,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:47,275 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:47,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:33:47,276 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:47,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1374287257, now seen corresponding path program 1 times [2021-11-13 18:33:47,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:47,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112041639] [2021-11-13 18:33:47,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:47,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:33:47,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:47,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112041639] [2021-11-13 18:33:47,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112041639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:47,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:47,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:47,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242081545] [2021-11-13 18:33:47,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:47,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:47,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:47,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:47,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:47,321 INFO L87 Difference]: Start difference. First operand 418 states and 643 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-13 18:33:47,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:47,395 INFO L93 Difference]: Finished difference Result 754 states and 1168 transitions. [2021-11-13 18:33:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:47,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 29 [2021-11-13 18:33:47,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:47,398 INFO L225 Difference]: With dead ends: 754 [2021-11-13 18:33:47,399 INFO L226 Difference]: Without dead ends: 339 [2021-11-13 18:33:47,401 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:47,402 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 262 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.26ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.08ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:47,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 355 Invalid, 34 Unknown, 0 Unchecked, 2.26ms Time], IncrementalHoareTripleChecker [16 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 36.08ms Time] [2021-11-13 18:33:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-11-13 18:33:47,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2021-11-13 18:33:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.544378698224852) internal successors, (522), 338 states have internal predecessors, (522), 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) [2021-11-13 18:33:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 522 transitions. [2021-11-13 18:33:47,420 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 522 transitions. Word has length 29 [2021-11-13 18:33:47,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:47,420 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 522 transitions. [2021-11-13 18:33:47,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-13 18:33:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 522 transitions. [2021-11-13 18:33:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 18:33:47,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:47,427 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:47,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:33:47,427 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:47,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:47,429 INFO L85 PathProgramCache]: Analyzing trace with hash -968828347, now seen corresponding path program 1 times [2021-11-13 18:33:47,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:47,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908676803] [2021-11-13 18:33:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:47,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:33:47,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:47,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908676803] [2021-11-13 18:33:47,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908676803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:47,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:47,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:47,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009193465] [2021-11-13 18:33:47,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:47,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:47,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:47,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:47,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:47,508 INFO L87 Difference]: Start difference. First operand 339 states and 522 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-13 18:33:47,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:47,551 INFO L93 Difference]: Finished difference Result 664 states and 1029 transitions. [2021-11-13 18:33:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:47,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 33 [2021-11-13 18:33:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:47,554 INFO L225 Difference]: With dead ends: 664 [2021-11-13 18:33:47,554 INFO L226 Difference]: Without dead ends: 333 [2021-11-13 18:33:47,555 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:47,556 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 247 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.48ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.79ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:47,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 335 Invalid, 43 Unknown, 0 Unchecked, 1.48ms Time], IncrementalHoareTripleChecker [17 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 31.79ms Time] [2021-11-13 18:33:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-11-13 18:33:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2021-11-13 18:33:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.5120481927710843) internal successors, (502), 332 states have internal predecessors, (502), 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) [2021-11-13 18:33:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 502 transitions. [2021-11-13 18:33:47,565 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 502 transitions. Word has length 33 [2021-11-13 18:33:47,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:47,566 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 502 transitions. [2021-11-13 18:33:47,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-13 18:33:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2021-11-13 18:33:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 18:33:47,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:47,568 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:47,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:33:47,568 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:47,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1704110053, now seen corresponding path program 1 times [2021-11-13 18:33:47,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:47,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797707388] [2021-11-13 18:33:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:47,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:33:47,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:47,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797707388] [2021-11-13 18:33:47,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797707388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:47,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:47,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:47,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890913518] [2021-11-13 18:33:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:47,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:47,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:47,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:47,608 INFO L87 Difference]: Start difference. First operand 333 states and 502 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-13 18:33:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:47,925 INFO L93 Difference]: Finished difference Result 376 states and 543 transitions. [2021-11-13 18:33:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:47,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 37 [2021-11-13 18:33:47,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:47,928 INFO L225 Difference]: With dead ends: 376 [2021-11-13 18:33:47,928 INFO L226 Difference]: Without dead ends: 339 [2021-11-13 18:33:47,928 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:47,929 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 172 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 257.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.46ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.42ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:47,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 448 Invalid, 179 Unknown, 0 Unchecked, 3.46ms Time], IncrementalHoareTripleChecker [44 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 298.42ms Time] [2021-11-13 18:33:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-11-13 18:33:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2021-11-13 18:33:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 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) [2021-11-13 18:33:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2021-11-13 18:33:47,940 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 37 [2021-11-13 18:33:47,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:47,940 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2021-11-13 18:33:47,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-13 18:33:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2021-11-13 18:33:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 18:33:47,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:47,942 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:47,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:33:47,942 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash -533172694, now seen corresponding path program 1 times [2021-11-13 18:33:47,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:47,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557402200] [2021-11-13 18:33:47,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:33:47,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:47,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557402200] [2021-11-13 18:33:47,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557402200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:47,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:47,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:47,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862343174] [2021-11-13 18:33:47,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:47,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:47,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:47,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:47,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:47,977 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-13 18:33:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:48,013 INFO L93 Difference]: Finished difference Result 635 states and 888 transitions. [2021-11-13 18:33:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:48,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 38 [2021-11-13 18:33:48,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:48,016 INFO L225 Difference]: With dead ends: 635 [2021-11-13 18:33:48,016 INFO L226 Difference]: Without dead ends: 310 [2021-11-13 18:33:48,017 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:48,018 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 213 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.96ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:48,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 374 Invalid, 30 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 25.96ms Time] [2021-11-13 18:33:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-13 18:33:48,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-11-13 18:33:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 309 states have internal predecessors, (429), 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) [2021-11-13 18:33:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2021-11-13 18:33:48,027 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 38 [2021-11-13 18:33:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:48,028 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2021-11-13 18:33:48,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-13 18:33:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2021-11-13 18:33:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 18:33:48,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:33:48,029 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:48,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 18:33:48,030 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:33:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:33:48,030 INFO L85 PathProgramCache]: Analyzing trace with hash -717812843, now seen corresponding path program 1 times [2021-11-13 18:33:48,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:33:48,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218963260] [2021-11-13 18:33:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:33:48,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:33:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:33:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:33:48,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:33:48,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218963260] [2021-11-13 18:33:48,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218963260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:33:48,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:33:48,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:33:48,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030564524] [2021-11-13 18:33:48,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:33:48,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:33:48,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:33:48,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:33:48,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:33:48,068 INFO L87 Difference]: Start difference. First operand 310 states and 429 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-13 18:33:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:33:48,104 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2021-11-13 18:33:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:33:48,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 39 [2021-11-13 18:33:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:33:48,105 INFO L225 Difference]: With dead ends: 474 [2021-11-13 18:33:48,105 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:33:48,106 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:33:48,107 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 36 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.25ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.95ms IncrementalHoareTripleChecker+Time [2021-11-13 18:33:48,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 410 Invalid, 29 Unknown, 0 Unchecked, 1.25ms Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 26.95ms Time] [2021-11-13 18:33:48,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:33:48,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:33:48,108 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) [2021-11-13 18:33:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:33:48,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-13 18:33:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:33:48,108 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:33:48,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-13 18:33:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:33:48,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:33:48,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:33:48,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 18:33:48,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:33:48,201 INFO L858 garLoopResultBuilder]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-11-13 18:33:48,201 INFO L858 garLoopResultBuilder]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-11-13 18:33:48,201 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-11-13 18:33:48,202 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-11-13 18:33:48,203 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-11-13 18:33:48,204 INFO L858 garLoopResultBuilder]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-11-13 18:33:48,205 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-11-13 18:33:48,206 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L854 garLoopResultBuilder]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-11-13 18:33:48,207 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-11-13 18:33:48,208 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-11-13 18:33:48,209 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-11-13 18:33:48,210 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-11-13 18:33:48,211 INFO L854 garLoopResultBuilder]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~this_m_delta~0#1| 1)) (.cse2 (= |ULTIMATE.start_main_~this_m_conn~0#1| 1))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn~0#1| 0)) (and .cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (and .cse1 (= 3 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 1) .cse2) (and .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~q~0#1|) .cse2))) [2021-11-13 18:33:48,211 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-11-13 18:33:48,211 INFO L858 garLoopResultBuilder]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-11-13 18:33:48,211 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-11-13 18:33:48,211 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-11-13 18:33:48,211 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-11-13 18:33:48,212 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:33:48,213 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-11-13 18:33:48,214 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-11-13 18:33:48,215 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-11-13 18:33:48,216 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-11-13 18:33:48,217 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-11-13 18:33:48,218 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-11-13 18:33:48,219 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-11-13 18:33:48,220 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L861 garLoopResultBuilder]: At program point L18(lines 18 1257) the Hoare annotation is: true [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-11-13 18:33:48,221 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-11-13 18:33:48,222 INFO L858 garLoopResultBuilder]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-11-13 18:33:48,223 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-11-13 18:33:48,224 INFO L858 garLoopResultBuilder]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-11-13 18:33:48,225 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-11-13 18:33:48,226 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-11-13 18:33:48,227 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~this_m_delta~0#1| 1))) (or (and .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn~0#1| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_main_~q~0#1| 0) (= |ULTIMATE.start_main_~this_m_conn~0#1| 0)))) [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-11-13 18:33:48,228 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-11-13 18:33:48,229 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-11-13 18:33:48,229 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-11-13 18:33:48,229 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-11-13 18:33:48,232 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:33:48,234 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:33:48,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:33:48 BoogieIcfgContainer [2021-11-13 18:33:48,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:33:48,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:33:48,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:33:48,252 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:33:48,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:33:44" (3/4) ... [2021-11-13 18:33:48,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:33:48,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-13 18:33:48,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:33:48,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:33:48,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:33:48,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:33:48,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:33:48,311 INFO L158 Benchmark]: Toolchain (without parser) took 6984.39ms. Allocated memory was 92.3MB in the beginning and 243.3MB in the end (delta: 151.0MB). Free memory was 48.1MB in the beginning and 81.3MB in the end (delta: -33.1MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,311 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:33:48,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.33ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 47.9MB in the beginning and 87.2MB in the end (delta: -39.2MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.08ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 63.4MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,312 INFO L158 Benchmark]: Boogie Preprocessor took 159.51ms. Allocated memory is still 127.9MB. Free memory was 63.4MB in the beginning and 51.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,313 INFO L158 Benchmark]: RCFGBuilder took 2026.55ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 51.4MB in the beginning and 66.0MB in the end (delta: -14.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,313 INFO L158 Benchmark]: TraceAbstraction took 3270.57ms. Allocated memory was 180.4MB in the beginning and 243.3MB in the end (delta: 62.9MB). Free memory was 66.0MB in the beginning and 85.5MB in the end (delta: -19.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,313 INFO L158 Benchmark]: Witness Printer took 58.84ms. Allocated memory is still 243.3MB. Free memory was 85.5MB in the beginning and 81.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:33:48,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.33ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 47.9MB in the beginning and 87.2MB in the end (delta: -39.2MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.08ms. Allocated memory is still 127.9MB. Free memory was 87.2MB in the beginning and 63.4MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.51ms. Allocated memory is still 127.9MB. Free memory was 63.4MB in the beginning and 51.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2026.55ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 51.4MB in the beginning and 66.0MB in the end (delta: -14.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3270.57ms. Allocated memory was 180.4MB in the beginning and 243.3MB in the end (delta: 62.9MB). Free memory was 66.0MB in the beginning and 85.5MB in the end (delta: -19.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Witness Printer took 58.84ms. Allocated memory is still 243.3MB. Free memory was 85.5MB in the beginning and 81.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1256]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1581 SdHoareTripleChecker+Valid, 1412.70ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1581 mSDsluCounter, 5464 SdHoareTripleChecker+Invalid, 1162.31ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1641 mSDsCounter, 301 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 630 IncrementalHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 301 mSolverCounterUnsat, 3823 mSDtfsCounter, 630 mSolverCounterSat, 37.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 25 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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: 34]: Loop Invariant Derived loop invariant: (((((this_m_conn_data_listener == 0 && this_m_delta == 1) && 2 == q) && this_m_conn == 0) || (this_m_delta == 1 && q == 0)) || (((this_m_delta == 1 && 3 == q) && this_m_conn_data_listener == 1) && this_m_conn == 1)) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && 4 <= q) && this_m_conn == 1) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((this_m_conn_data_listener == 0 && this_m_delta == 1) && 4 <= q) && this_m_conn == 1) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && q == 0) && this_m_conn == 0) RESULT: Ultimate proved your program to be correct! [2021-11-13 18:33:48,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d0d556-1fe7-4034-a286-4b9bc749f763/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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