./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD --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 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:15:31,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:15:31,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:15:31,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:15:31,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:15:31,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:15:31,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:15:31,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:15:31,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:15:31,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:15:31,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:15:31,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:15:31,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:15:31,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:15:31,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:15:31,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:15:31,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:15:31,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:15:31,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:15:31,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:15:31,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:15:31,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:15:31,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:15:31,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:15:31,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:15:31,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:15:31,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:15:31,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:15:31,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:15:31,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:15:31,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:15:31,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:15:31,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:15:31,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:15:31,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:15:31,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:15:31,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:15:31,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:15:31,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:15:31,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:15:31,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:15:31,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:15:31,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:15:31,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:15:31,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:15:31,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:15:31,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:15:31,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:15:31,499 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:15:31,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:15:31,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:15:31,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:15:31,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:15:31,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:15:31,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:15:31,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:15:31,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:15:31,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:15:31,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:15:31,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:15:31,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:15:31,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:15:31,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:15:31,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:15:31,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:31,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:15:31,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:15:31,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:15:31,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:15:31,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:15:31,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:15:31,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:15:31,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:15:31,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:15:31,506 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_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c [2021-10-28 23:15:31,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:15:31,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:15:31,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:15:31,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:15:31,827 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:15:31,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2021-10-28 23:15:31,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/data/5728f0331/2e9b3135b4574d55a4ebf3570b474fc7/FLAG652b5b390 [2021-10-28 23:15:32,692 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:15:32,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2021-10-28 23:15:32,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/data/5728f0331/2e9b3135b4574d55a4ebf3570b474fc7/FLAG652b5b390 [2021-10-28 23:15:32,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/data/5728f0331/2e9b3135b4574d55a4ebf3570b474fc7 [2021-10-28 23:15:32,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:15:32,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:15:32,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:32,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:15:32,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:15:32,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:32" (1/1) ... [2021-10-28 23:15:32,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151f53c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:32, skipping insertion in model container [2021-10-28 23:15:32,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:32" (1/1) ... [2021-10-28 23:15:32,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:15:32,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:15:33,708 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_5434f4b4-8f54-4489-b739-26d4bf1b57ff/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2021-10-28 23:15:33,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:33,755 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:15:34,103 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_5434f4b4-8f54-4489-b739-26d4bf1b57ff/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2021-10-28 23:15:34,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:34,133 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:15:34,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34 WrapperNode [2021-10-28 23:15:34,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:34,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:34,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:15:34,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:15:34,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:34,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:15:34,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:15:34,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:15:34,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:15:34,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:15:34,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:15:34,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:15:34,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (1/1) ... [2021-10-28 23:15:34,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:34,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:34,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:15:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:15:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:15:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:15:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:15:36,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:15:36,651 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:15:36,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:36 BoogieIcfgContainer [2021-10-28 23:15:36,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:15:36,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:15:36,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:15:36,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:15:36,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:15:32" (1/3) ... [2021-10-28 23:15:36,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560a2f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:36, skipping insertion in model container [2021-10-28 23:15:36,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:34" (2/3) ... [2021-10-28 23:15:36,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560a2f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:36, skipping insertion in model container [2021-10-28 23:15:36,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:36" (3/3) ... [2021-10-28 23:15:36,667 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label34.c [2021-10-28 23:15:36,676 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:15:36,676 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:15:36,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:15:36,744 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 [2021-10-28 23:15:36,745 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:15:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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) [2021-10-28 23:15:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-28 23:15:36,786 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:36,787 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:36,787 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:36,793 INFO L85 PathProgramCache]: Analyzing trace with hash -502159206, now seen corresponding path program 1 times [2021-10-28 23:15:36,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:36,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207517376] [2021-10-28 23:15:36,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:36,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:37,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:37,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207517376] [2021-10-28 23:15:37,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207517376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:37,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:37,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:37,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634144311] [2021-10-28 23:15:37,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:37,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:37,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:37,490 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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) [2021-10-28 23:15:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:38,693 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-10-28 23:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:38,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2021-10-28 23:15:38,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:38,712 INFO L225 Difference]: With dead ends: 857 [2021-10-28 23:15:38,713 INFO L226 Difference]: Without dead ends: 462 [2021-10-28 23:15:38,717 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:38,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-28 23:15:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-10-28 23:15:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 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) [2021-10-28 23:15:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-10-28 23:15:38,789 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 190 [2021-10-28 23:15:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:38,790 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-10-28 23:15:38,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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) [2021-10-28 23:15:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-10-28 23:15:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-28 23:15:38,797 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:38,798 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:38,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:15:38,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:38,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash 604561913, now seen corresponding path program 1 times [2021-10-28 23:15:38,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:38,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379359967] [2021-10-28 23:15:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:38,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:38,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:38,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379359967] [2021-10-28 23:15:38,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379359967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:38,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:38,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:38,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789372372] [2021-10-28 23:15:38,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:38,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:38,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:38,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:38,904 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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) [2021-10-28 23:15:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:39,884 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-10-28 23:15:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:39,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 198 [2021-10-28 23:15:39,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:39,896 INFO L225 Difference]: With dead ends: 1344 [2021-10-28 23:15:39,896 INFO L226 Difference]: Without dead ends: 886 [2021-10-28 23:15:39,903 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-28 23:15:39,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-10-28 23:15:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 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) [2021-10-28 23:15:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-10-28 23:15:39,968 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 198 [2021-10-28 23:15:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:39,968 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-10-28 23:15:39,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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) [2021-10-28 23:15:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-10-28 23:15:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-28 23:15:39,982 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:39,985 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:39,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:15:39,986 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:39,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1989171232, now seen corresponding path program 1 times [2021-10-28 23:15:39,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:39,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922186506] [2021-10-28 23:15:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:39,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:40,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:40,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922186506] [2021-10-28 23:15:40,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922186506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:40,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:40,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:40,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841270186] [2021-10-28 23:15:40,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:40,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:40,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:40,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:40,166 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2021-10-28 23:15:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:41,158 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-10-28 23:15:41,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:41,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 210 [2021-10-28 23:15:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:41,171 INFO L225 Difference]: With dead ends: 2554 [2021-10-28 23:15:41,171 INFO L226 Difference]: Without dead ends: 1686 [2021-10-28 23:15:41,173 INFO L786 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 [2021-10-28 23:15:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-10-28 23:15:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-10-28 23:15:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 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) [2021-10-28 23:15:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2021-10-28 23:15:41,236 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 210 [2021-10-28 23:15:41,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:41,237 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2021-10-28 23:15:41,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2021-10-28 23:15:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2021-10-28 23:15:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-28 23:15:41,244 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:41,245 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:41,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:15:41,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:41,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1472580547, now seen corresponding path program 1 times [2021-10-28 23:15:41,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:41,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957033260] [2021-10-28 23:15:41,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:41,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:41,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:41,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957033260] [2021-10-28 23:15:41,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957033260] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:41,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:41,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:41,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653481756] [2021-10-28 23:15:41,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:41,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:41,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:41,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:41,377 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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) [2021-10-28 23:15:42,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:42,278 INFO L93 Difference]: Finished difference Result 5003 states and 6686 transitions. [2021-10-28 23:15:42,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:42,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 213 [2021-10-28 23:15:42,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:42,298 INFO L225 Difference]: With dead ends: 5003 [2021-10-28 23:15:42,299 INFO L226 Difference]: Without dead ends: 3321 [2021-10-28 23:15:42,303 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:42,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-10-28 23:15:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3320. [2021-10-28 23:15:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.284423018981621) internal successors, (4263), 3319 states have internal predecessors, (4263), 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) [2021-10-28 23:15:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4263 transitions. [2021-10-28 23:15:42,423 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4263 transitions. Word has length 213 [2021-10-28 23:15:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:42,424 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4263 transitions. [2021-10-28 23:15:42,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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) [2021-10-28 23:15:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4263 transitions. [2021-10-28 23:15:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-28 23:15:42,434 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:42,434 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:42,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:15:42,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:42,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:42,436 INFO L85 PathProgramCache]: Analyzing trace with hash -455322744, now seen corresponding path program 1 times [2021-10-28 23:15:42,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:42,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714762343] [2021-10-28 23:15:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:42,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:42,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:42,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714762343] [2021-10-28 23:15:42,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714762343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:42,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:42,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:42,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636838807] [2021-10-28 23:15:42,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:42,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:42,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:42,578 INFO L87 Difference]: Start difference. First operand 3320 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2021-10-28 23:15:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:43,606 INFO L93 Difference]: Finished difference Result 9900 states and 12714 transitions. [2021-10-28 23:15:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:43,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2021-10-28 23:15:43,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:43,650 INFO L225 Difference]: With dead ends: 9900 [2021-10-28 23:15:43,650 INFO L226 Difference]: Without dead ends: 6582 [2021-10-28 23:15:43,655 INFO L786 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 [2021-10-28 23:15:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-10-28 23:15:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-10-28 23:15:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.224300486618005) internal successors, (8051), 6576 states have internal predecessors, (8051), 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) [2021-10-28 23:15:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8051 transitions. [2021-10-28 23:15:43,871 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8051 transitions. Word has length 225 [2021-10-28 23:15:43,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:43,873 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8051 transitions. [2021-10-28 23:15:43,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2021-10-28 23:15:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8051 transitions. [2021-10-28 23:15:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-28 23:15:43,888 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:43,888 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:43,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:15:43,889 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:43,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:43,890 INFO L85 PathProgramCache]: Analyzing trace with hash -903632663, now seen corresponding path program 1 times [2021-10-28 23:15:43,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:43,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542361802] [2021-10-28 23:15:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:43,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:44,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:44,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542361802] [2021-10-28 23:15:44,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542361802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:44,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:44,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:44,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287182678] [2021-10-28 23:15:44,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:44,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:44,022 INFO L87 Difference]: Start difference. First operand 6577 states and 8051 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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) [2021-10-28 23:15:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:45,046 INFO L93 Difference]: Finished difference Result 16027 states and 19625 transitions. [2021-10-28 23:15:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:45,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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 231 [2021-10-28 23:15:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:45,107 INFO L225 Difference]: With dead ends: 16027 [2021-10-28 23:15:45,107 INFO L226 Difference]: Without dead ends: 9452 [2021-10-28 23:15:45,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2021-10-28 23:15:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9439. [2021-10-28 23:15:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.2133926679381224) internal successors, (11452), 9438 states have internal predecessors, (11452), 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) [2021-10-28 23:15:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11452 transitions. [2021-10-28 23:15:45,357 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11452 transitions. Word has length 231 [2021-10-28 23:15:45,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:45,357 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11452 transitions. [2021-10-28 23:15:45,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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) [2021-10-28 23:15:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11452 transitions. [2021-10-28 23:15:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-28 23:15:45,381 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:45,382 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:45,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:15:45,382 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:45,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:45,383 INFO L85 PathProgramCache]: Analyzing trace with hash 202592222, now seen corresponding path program 1 times [2021-10-28 23:15:45,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:45,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576837613] [2021-10-28 23:15:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:45,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:45,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:45,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576837613] [2021-10-28 23:15:45,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576837613] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:45,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691845920] [2021-10-28 23:15:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:45,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:45,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:45,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:45,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:15:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:45,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:15:45,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:46,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691845920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:46,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:46,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:46,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564617465] [2021-10-28 23:15:46,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:46,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:46,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:46,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:46,774 INFO L87 Difference]: Start difference. First operand 9439 states and 11452 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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) [2021-10-28 23:15:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:48,272 INFO L93 Difference]: Finished difference Result 26599 states and 32866 transitions. [2021-10-28 23:15:48,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:48,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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 238 [2021-10-28 23:15:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:48,332 INFO L225 Difference]: With dead ends: 26599 [2021-10-28 23:15:48,332 INFO L226 Difference]: Without dead ends: 17162 [2021-10-28 23:15:48,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:48,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17162 states. [2021-10-28 23:15:48,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17162 to 16747. [2021-10-28 23:15:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 16746 states have (on average 1.165950077630479) internal successors, (19525), 16746 states have internal predecessors, (19525), 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) [2021-10-28 23:15:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 19525 transitions. [2021-10-28 23:15:48,688 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 19525 transitions. Word has length 238 [2021-10-28 23:15:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:48,689 INFO L470 AbstractCegarLoop]: Abstraction has 16747 states and 19525 transitions. [2021-10-28 23:15:48,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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) [2021-10-28 23:15:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 19525 transitions. [2021-10-28 23:15:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-28 23:15:48,770 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:48,771 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:48,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:48,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:48,972 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:48,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1507272799, now seen corresponding path program 1 times [2021-10-28 23:15:48,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:48,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565091881] [2021-10-28 23:15:48,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:48,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:49,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:49,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565091881] [2021-10-28 23:15:49,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565091881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:49,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:49,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:49,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309442133] [2021-10-28 23:15:49,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:49,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:49,093 INFO L87 Difference]: Start difference. First operand 16747 states and 19525 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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) [2021-10-28 23:15:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:50,264 INFO L93 Difference]: Finished difference Result 30190 states and 35271 transitions. [2021-10-28 23:15:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:50,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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 246 [2021-10-28 23:15:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:50,295 INFO L225 Difference]: With dead ends: 30190 [2021-10-28 23:15:50,295 INFO L226 Difference]: Without dead ends: 13648 [2021-10-28 23:15:50,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:50,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13648 states. [2021-10-28 23:15:50,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13648 to 13242. [2021-10-28 23:15:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13242 states, 13241 states have (on average 1.1110188052261913) internal successors, (14711), 13241 states have internal predecessors, (14711), 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) [2021-10-28 23:15:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 14711 transitions. [2021-10-28 23:15:50,569 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 14711 transitions. Word has length 246 [2021-10-28 23:15:50,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:50,570 INFO L470 AbstractCegarLoop]: Abstraction has 13242 states and 14711 transitions. [2021-10-28 23:15:50,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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) [2021-10-28 23:15:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 14711 transitions. [2021-10-28 23:15:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-10-28 23:15:50,593 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:50,594 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:50,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:15:50,594 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:50,595 INFO L85 PathProgramCache]: Analyzing trace with hash -833244104, now seen corresponding path program 1 times [2021-10-28 23:15:50,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:50,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37814900] [2021-10-28 23:15:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:50,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:15:50,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:50,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37814900] [2021-10-28 23:15:50,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37814900] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:50,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747186321] [2021-10-28 23:15:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:50,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:50,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:50,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:50,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:15:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:51,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:15:51,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:15:51,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747186321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:51,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:51,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:51,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832422571] [2021-10-28 23:15:51,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:51,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:51,770 INFO L87 Difference]: Start difference. First operand 13242 states and 14711 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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) [2021-10-28 23:15:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:52,904 INFO L93 Difference]: Finished difference Result 40314 states and 44906 transitions. [2021-10-28 23:15:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:52,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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 266 [2021-10-28 23:15:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:52,953 INFO L225 Difference]: With dead ends: 40314 [2021-10-28 23:15:52,953 INFO L226 Difference]: Without dead ends: 27277 [2021-10-28 23:15:52,970 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:15:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27277 states. [2021-10-28 23:15:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27277 to 27273. [2021-10-28 23:15:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27273 states, 27272 states have (on average 1.1131930184804928) internal successors, (30359), 27272 states have internal predecessors, (30359), 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) [2021-10-28 23:15:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27273 states to 27273 states and 30359 transitions. [2021-10-28 23:15:53,488 INFO L78 Accepts]: Start accepts. Automaton has 27273 states and 30359 transitions. Word has length 266 [2021-10-28 23:15:53,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:53,488 INFO L470 AbstractCegarLoop]: Abstraction has 27273 states and 30359 transitions. [2021-10-28 23:15:53,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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) [2021-10-28 23:15:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 27273 states and 30359 transitions. [2021-10-28 23:15:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-28 23:15:53,515 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:53,515 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:53,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:53,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-28 23:15:53,729 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1283456450, now seen corresponding path program 1 times [2021-10-28 23:15:53,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:53,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235754054] [2021-10-28 23:15:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:53,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-28 23:15:53,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:53,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235754054] [2021-10-28 23:15:53,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235754054] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:53,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:53,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:53,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104251837] [2021-10-28 23:15:53,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:53,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:53,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:53,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:53,859 INFO L87 Difference]: Start difference. First operand 27273 states and 30359 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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) [2021-10-28 23:15:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:55,553 INFO L93 Difference]: Finished difference Result 86088 states and 96354 transitions. [2021-10-28 23:15:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:55,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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 276 [2021-10-28 23:15:55,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:55,657 INFO L225 Difference]: With dead ends: 86088 [2021-10-28 23:15:55,658 INFO L226 Difference]: Without dead ends: 59020 [2021-10-28 23:15:55,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59020 states. [2021-10-28 23:15:56,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59020 to 58404. [2021-10-28 23:15:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58404 states, 58403 states have (on average 1.1150797048096843) internal successors, (65124), 58403 states have internal predecessors, (65124), 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) [2021-10-28 23:15:56,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58404 states to 58404 states and 65124 transitions. [2021-10-28 23:15:56,735 INFO L78 Accepts]: Start accepts. Automaton has 58404 states and 65124 transitions. Word has length 276 [2021-10-28 23:15:56,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:56,735 INFO L470 AbstractCegarLoop]: Abstraction has 58404 states and 65124 transitions. [2021-10-28 23:15:56,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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) [2021-10-28 23:15:56,736 INFO L276 IsEmpty]: Start isEmpty. Operand 58404 states and 65124 transitions. [2021-10-28 23:15:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-10-28 23:15:56,958 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:56,959 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:56,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:15:56,959 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:56,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:56,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1173408088, now seen corresponding path program 1 times [2021-10-28 23:15:56,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:56,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619150710] [2021-10-28 23:15:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:56,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 23:15:57,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:57,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619150710] [2021-10-28 23:15:57,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619150710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:57,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:57,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:57,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730804291] [2021-10-28 23:15:57,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:57,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:57,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:57,140 INFO L87 Difference]: Start difference. First operand 58404 states and 65124 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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) [2021-10-28 23:15:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:58,393 INFO L93 Difference]: Finished difference Result 129835 states and 145544 transitions. [2021-10-28 23:15:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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 288 [2021-10-28 23:15:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:58,513 INFO L225 Difference]: With dead ends: 129835 [2021-10-28 23:15:58,513 INFO L226 Difference]: Without dead ends: 71636 [2021-10-28 23:15:58,539 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:58,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71636 states. [2021-10-28 23:15:59,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71636 to 67957. [2021-10-28 23:15:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67957 states, 67956 states have (on average 1.1256401200776973) internal successors, (76494), 67956 states have internal predecessors, (76494), 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) [2021-10-28 23:15:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67957 states to 67957 states and 76494 transitions. [2021-10-28 23:15:59,875 INFO L78 Accepts]: Start accepts. Automaton has 67957 states and 76494 transitions. Word has length 288 [2021-10-28 23:15:59,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:59,875 INFO L470 AbstractCegarLoop]: Abstraction has 67957 states and 76494 transitions. [2021-10-28 23:15:59,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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) [2021-10-28 23:15:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 67957 states and 76494 transitions. [2021-10-28 23:15:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-10-28 23:15:59,896 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:59,897 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:59,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:15:59,898 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:59,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1794674235, now seen corresponding path program 1 times [2021-10-28 23:15:59,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:59,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931498869] [2021-10-28 23:15:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:59,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:00,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:00,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931498869] [2021-10-28 23:16:00,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931498869] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:00,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205080335] [2021-10-28 23:16:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:00,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:00,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:00,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:16:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:00,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:16:00,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:01,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205080335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:01,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:01,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:16:01,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989388787] [2021-10-28 23:16:01,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:01,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:01,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:01,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:01,271 INFO L87 Difference]: Start difference. First operand 67957 states and 76494 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2021-10-28 23:16:02,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:02,909 INFO L93 Difference]: Finished difference Result 136548 states and 153614 transitions. [2021-10-28 23:16:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:02,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 289 [2021-10-28 23:16:02,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:03,001 INFO L225 Difference]: With dead ends: 136548 [2021-10-28 23:16:03,001 INFO L226 Difference]: Without dead ends: 68796 [2021-10-28 23:16:03,029 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68796 states. [2021-10-28 23:16:04,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68796 to 68769. [2021-10-28 23:16:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68769 states, 68768 states have (on average 1.1179473010702652) internal successors, (76879), 68768 states have internal predecessors, (76879), 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) [2021-10-28 23:16:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68769 states to 68769 states and 76879 transitions. [2021-10-28 23:16:04,246 INFO L78 Accepts]: Start accepts. Automaton has 68769 states and 76879 transitions. Word has length 289 [2021-10-28 23:16:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:04,247 INFO L470 AbstractCegarLoop]: Abstraction has 68769 states and 76879 transitions. [2021-10-28 23:16:04,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2021-10-28 23:16:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 68769 states and 76879 transitions. [2021-10-28 23:16:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-28 23:16:04,266 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:04,266 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:04,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-28 23:16:04,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 23:16:04,481 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:04,482 INFO L85 PathProgramCache]: Analyzing trace with hash 99903459, now seen corresponding path program 1 times [2021-10-28 23:16:04,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:04,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28647009] [2021-10-28 23:16:04,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:04,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:04,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:04,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28647009] [2021-10-28 23:16:04,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28647009] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:04,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:04,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:16:04,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812747032] [2021-10-28 23:16:04,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:16:04,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:04,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:16:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:16:04,639 INFO L87 Difference]: Start difference. First operand 68769 states and 76879 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-10-28 23:16:06,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:06,643 INFO L93 Difference]: Finished difference Result 172513 states and 193690 transitions. [2021-10-28 23:16:06,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:16:06,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 301 [2021-10-28 23:16:06,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:06,775 INFO L225 Difference]: With dead ends: 172513 [2021-10-28 23:16:06,775 INFO L226 Difference]: Without dead ends: 103949 [2021-10-28 23:16:07,091 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:16:07,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103949 states. [2021-10-28 23:16:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103949 to 97835. [2021-10-28 23:16:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97835 states, 97834 states have (on average 1.1116176380399452) internal successors, (108754), 97834 states have internal predecessors, (108754), 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) [2021-10-28 23:16:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97835 states to 97835 states and 108754 transitions. [2021-10-28 23:16:08,632 INFO L78 Accepts]: Start accepts. Automaton has 97835 states and 108754 transitions. Word has length 301 [2021-10-28 23:16:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:08,633 INFO L470 AbstractCegarLoop]: Abstraction has 97835 states and 108754 transitions. [2021-10-28 23:16:08,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-10-28 23:16:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 97835 states and 108754 transitions. [2021-10-28 23:16:08,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-28 23:16:08,661 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:08,661 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:08,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:16:08,662 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:08,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:08,662 INFO L85 PathProgramCache]: Analyzing trace with hash -985167971, now seen corresponding path program 1 times [2021-10-28 23:16:08,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:08,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121201633] [2021-10-28 23:16:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:08,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:16:09,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:09,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121201633] [2021-10-28 23:16:09,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121201633] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:09,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:09,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:16:09,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336690271] [2021-10-28 23:16:09,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:09,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:09,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:09,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:16:09,272 INFO L87 Difference]: Start difference. First operand 97835 states and 108754 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2021-10-28 23:16:10,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:10,529 INFO L93 Difference]: Finished difference Result 201789 states and 225245 transitions. [2021-10-28 23:16:10,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:10,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 305 [2021-10-28 23:16:10,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:10,676 INFO L225 Difference]: With dead ends: 201789 [2021-10-28 23:16:10,676 INFO L226 Difference]: Without dead ends: 104159 [2021-10-28 23:16:10,722 INFO L786 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 [2021-10-28 23:16:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104159 states. [2021-10-28 23:16:12,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104159 to 101520. [2021-10-28 23:16:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101520 states, 101519 states have (on average 1.1013701868615726) internal successors, (111810), 101519 states have internal predecessors, (111810), 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) [2021-10-28 23:16:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101520 states to 101520 states and 111810 transitions. [2021-10-28 23:16:12,715 INFO L78 Accepts]: Start accepts. Automaton has 101520 states and 111810 transitions. Word has length 305 [2021-10-28 23:16:12,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:12,716 INFO L470 AbstractCegarLoop]: Abstraction has 101520 states and 111810 transitions. [2021-10-28 23:16:12,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2021-10-28 23:16:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 101520 states and 111810 transitions. [2021-10-28 23:16:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-28 23:16:12,734 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:12,734 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:12,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:16:12,734 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:12,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1536803488, now seen corresponding path program 1 times [2021-10-28 23:16:12,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:12,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993415362] [2021-10-28 23:16:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:12,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-28 23:16:12,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:12,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993415362] [2021-10-28 23:16:12,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993415362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:12,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:12,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:16:12,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742093281] [2021-10-28 23:16:12,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:12,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:12,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:12,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:16:12,884 INFO L87 Difference]: Start difference. First operand 101520 states and 111810 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-10-28 23:16:14,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:14,441 INFO L93 Difference]: Finished difference Result 204286 states and 225152 transitions. [2021-10-28 23:16:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:14,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 330 [2021-10-28 23:16:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:14,576 INFO L225 Difference]: With dead ends: 204286 [2021-10-28 23:16:14,576 INFO L226 Difference]: Without dead ends: 101346 [2021-10-28 23:16:14,625 INFO L786 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 [2021-10-28 23:16:14,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101346 states. [2021-10-28 23:16:16,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101346 to 88315. [2021-10-28 23:16:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88315 states, 88314 states have (on average 1.0803836311343615) internal successors, (95413), 88314 states have internal predecessors, (95413), 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) [2021-10-28 23:16:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88315 states to 88315 states and 95413 transitions. [2021-10-28 23:16:16,208 INFO L78 Accepts]: Start accepts. Automaton has 88315 states and 95413 transitions. Word has length 330 [2021-10-28 23:16:16,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:16,209 INFO L470 AbstractCegarLoop]: Abstraction has 88315 states and 95413 transitions. [2021-10-28 23:16:16,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-10-28 23:16:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 88315 states and 95413 transitions. [2021-10-28 23:16:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-10-28 23:16:16,225 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:16,225 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:16,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:16:16,226 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:16,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:16,226 INFO L85 PathProgramCache]: Analyzing trace with hash 334417663, now seen corresponding path program 1 times [2021-10-28 23:16:16,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:16,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990348202] [2021-10-28 23:16:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:16,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:16,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:16,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990348202] [2021-10-28 23:16:16,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990348202] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:16,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461540744] [2021-10-28 23:16:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:16,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:16,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:16,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:16:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:16,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:16:16,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:18,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461540744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:18,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:18,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:16:18,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144565849] [2021-10-28 23:16:18,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:16:18,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:18,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:16:18,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:18,141 INFO L87 Difference]: Start difference. First operand 88315 states and 95413 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-28 23:16:19,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:19,580 INFO L93 Difference]: Finished difference Result 181960 states and 196728 transitions. [2021-10-28 23:16:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:16:19,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 339 [2021-10-28 23:16:19,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:19,674 INFO L225 Difference]: With dead ends: 181960 [2021-10-28 23:16:19,674 INFO L226 Difference]: Without dead ends: 93850 [2021-10-28 23:16:19,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:19,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93850 states. [2021-10-28 23:16:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93850 to 92974. [2021-10-28 23:16:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92974 states, 92973 states have (on average 1.071235735105891) internal successors, (99596), 92973 states have internal predecessors, (99596), 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) [2021-10-28 23:16:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92974 states to 92974 states and 99596 transitions. [2021-10-28 23:16:21,545 INFO L78 Accepts]: Start accepts. Automaton has 92974 states and 99596 transitions. Word has length 339 [2021-10-28 23:16:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:21,545 INFO L470 AbstractCegarLoop]: Abstraction has 92974 states and 99596 transitions. [2021-10-28 23:16:21,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-28 23:16:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 92974 states and 99596 transitions. [2021-10-28 23:16:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-10-28 23:16:21,567 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:21,567 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:21,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:21,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-28 23:16:21,768 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:21,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1595317051, now seen corresponding path program 1 times [2021-10-28 23:16:21,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:21,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009513922] [2021-10-28 23:16:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:21,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:21,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:21,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009513922] [2021-10-28 23:16:21,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009513922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:21,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:16:21,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:16:21,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612244351] [2021-10-28 23:16:21,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:21,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:21,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:16:21,945 INFO L87 Difference]: Start difference. First operand 92974 states and 99596 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-10-28 23:16:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:23,189 INFO L93 Difference]: Finished difference Result 179023 states and 191506 transitions. [2021-10-28 23:16:23,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:23,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 354 [2021-10-28 23:16:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:23,286 INFO L225 Difference]: With dead ends: 179023 [2021-10-28 23:16:23,286 INFO L226 Difference]: Without dead ends: 85442 [2021-10-28 23:16:23,327 INFO L786 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 [2021-10-28 23:16:23,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85442 states. [2021-10-28 23:16:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85442 to 75084. [2021-10-28 23:16:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75084 states, 75083 states have (on average 1.054180040754898) internal successors, (79151), 75083 states have internal predecessors, (79151), 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) [2021-10-28 23:16:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75084 states to 75084 states and 79151 transitions. [2021-10-28 23:16:24,781 INFO L78 Accepts]: Start accepts. Automaton has 75084 states and 79151 transitions. Word has length 354 [2021-10-28 23:16:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:24,781 INFO L470 AbstractCegarLoop]: Abstraction has 75084 states and 79151 transitions. [2021-10-28 23:16:24,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-10-28 23:16:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 75084 states and 79151 transitions. [2021-10-28 23:16:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-10-28 23:16:24,802 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:24,802 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:24,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:16:24,803 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2046811077, now seen corresponding path program 1 times [2021-10-28 23:16:24,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:24,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473783793] [2021-10-28 23:16:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:24,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:24,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:24,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473783793] [2021-10-28 23:16:24,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473783793] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:24,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930276695] [2021-10-28 23:16:24,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:24,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:24,993 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:25,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:16:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:25,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:16:25,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-28 23:16:26,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930276695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:26,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:26,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 23:16:26,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192659460] [2021-10-28 23:16:26,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:26,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:26,770 INFO L87 Difference]: Start difference. First operand 75084 states and 79151 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2021-10-28 23:16:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:27,453 INFO L93 Difference]: Finished difference Result 221169 states and 233037 transitions. [2021-10-28 23:16:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:27,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 361 [2021-10-28 23:16:27,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:27,613 INFO L225 Difference]: With dead ends: 221169 [2021-10-28 23:16:27,613 INFO L226 Difference]: Without dead ends: 146290 [2021-10-28 23:16:27,657 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146290 states. [2021-10-28 23:16:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146290 to 146280. [2021-10-28 23:16:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146280 states, 146279 states have (on average 1.0531723624033524) internal successors, (154057), 146279 states have internal predecessors, (154057), 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) [2021-10-28 23:16:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146280 states to 146280 states and 154057 transitions. [2021-10-28 23:16:30,382 INFO L78 Accepts]: Start accepts. Automaton has 146280 states and 154057 transitions. Word has length 361 [2021-10-28 23:16:30,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:30,382 INFO L470 AbstractCegarLoop]: Abstraction has 146280 states and 154057 transitions. [2021-10-28 23:16:30,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2021-10-28 23:16:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 146280 states and 154057 transitions. [2021-10-28 23:16:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-10-28 23:16:30,403 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:30,403 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:30,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:30,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-28 23:16:30,604 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:30,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1607340768, now seen corresponding path program 1 times [2021-10-28 23:16:30,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:30,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479859304] [2021-10-28 23:16:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:30,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 263 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-28 23:16:30,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:30,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479859304] [2021-10-28 23:16:30,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479859304] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:30,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182156818] [2021-10-28 23:16:30,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:30,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:30,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:30,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:16:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:31,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:16:31,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-28 23:16:33,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182156818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:33,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:33,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:16:33,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41691960] [2021-10-28 23:16:33,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:16:33,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:33,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:16:33,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:33,102 INFO L87 Difference]: Start difference. First operand 146280 states and 154057 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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) [2021-10-28 23:16:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:34,230 INFO L93 Difference]: Finished difference Result 233150 states and 245496 transitions. [2021-10-28 23:16:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:16:34,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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 388 [2021-10-28 23:16:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:34,310 INFO L225 Difference]: With dead ends: 233150 [2021-10-28 23:16:34,310 INFO L226 Difference]: Without dead ends: 67585 [2021-10-28 23:16:34,361 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:34,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67585 states. [2021-10-28 23:16:35,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67585 to 57217. [2021-10-28 23:16:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57217 states, 57216 states have (on average 1.044008668903803) internal successors, (59734), 57216 states have internal predecessors, (59734), 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) [2021-10-28 23:16:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57217 states to 57217 states and 59734 transitions. [2021-10-28 23:16:35,619 INFO L78 Accepts]: Start accepts. Automaton has 57217 states and 59734 transitions. Word has length 388 [2021-10-28 23:16:35,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:35,619 INFO L470 AbstractCegarLoop]: Abstraction has 57217 states and 59734 transitions. [2021-10-28 23:16:35,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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) [2021-10-28 23:16:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 57217 states and 59734 transitions. [2021-10-28 23:16:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-10-28 23:16:35,628 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:35,628 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:35,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:35,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:35,842 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:35,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:35,842 INFO L85 PathProgramCache]: Analyzing trace with hash -924845834, now seen corresponding path program 1 times [2021-10-28 23:16:35,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:35,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411696729] [2021-10-28 23:16:35,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:35,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 23:16:36,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:36,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411696729] [2021-10-28 23:16:36,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411696729] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:36,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110649060] [2021-10-28 23:16:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:36,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:36,061 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:36,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:16:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:36,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:16:36,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-28 23:16:38,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110649060] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:38,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:38,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 23:16:38,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857126216] [2021-10-28 23:16:38,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:38,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:38,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:38,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:38,274 INFO L87 Difference]: Start difference. First operand 57217 states and 59734 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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) [2021-10-28 23:16:39,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:39,149 INFO L93 Difference]: Finished difference Result 113198 states and 118176 transitions. [2021-10-28 23:16:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:39,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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 398 [2021-10-28 23:16:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:39,205 INFO L225 Difference]: With dead ends: 113198 [2021-10-28 23:16:39,205 INFO L226 Difference]: Without dead ends: 55171 [2021-10-28 23:16:39,227 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:16:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55171 states. [2021-10-28 23:16:39,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55171 to 54968. [2021-10-28 23:16:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54968 states, 54967 states have (on average 1.0433714774319136) internal successors, (57351), 54967 states have internal predecessors, (57351), 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) [2021-10-28 23:16:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54968 states to 54968 states and 57351 transitions. [2021-10-28 23:16:39,846 INFO L78 Accepts]: Start accepts. Automaton has 54968 states and 57351 transitions. Word has length 398 [2021-10-28 23:16:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:39,846 INFO L470 AbstractCegarLoop]: Abstraction has 54968 states and 57351 transitions. [2021-10-28 23:16:39,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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) [2021-10-28 23:16:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 54968 states and 57351 transitions. [2021-10-28 23:16:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-10-28 23:16:39,856 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:39,856 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:39,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:40,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:40,057 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:40,058 INFO L85 PathProgramCache]: Analyzing trace with hash 863348621, now seen corresponding path program 1 times [2021-10-28 23:16:40,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:40,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432394225] [2021-10-28 23:16:40,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:40,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-10-28 23:16:40,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:40,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432394225] [2021-10-28 23:16:40,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432394225] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:40,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073934198] [2021-10-28 23:16:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:40,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:40,204 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:40,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:16:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:41,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:16:41,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 289 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-28 23:16:42,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073934198] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:42,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:16:42,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-28 23:16:42,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957101487] [2021-10-28 23:16:42,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:16:42,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:42,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:16:42,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:42,518 INFO L87 Difference]: Start difference. First operand 54968 states and 57351 transitions. Second operand has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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) [2021-10-28 23:16:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:44,208 INFO L93 Difference]: Finished difference Result 108732 states and 113413 transitions. [2021-10-28 23:16:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:16:44,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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 407 [2021-10-28 23:16:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:44,260 INFO L225 Difference]: With dead ends: 108732 [2021-10-28 23:16:44,261 INFO L226 Difference]: Without dead ends: 49299 [2021-10-28 23:16:44,285 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:16:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49299 states. [2021-10-28 23:16:44,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49299 to 42342. [2021-10-28 23:16:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42342 states, 42341 states have (on average 1.0396542358470513) internal successors, (44020), 42341 states have internal predecessors, (44020), 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) [2021-10-28 23:16:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42342 states to 42342 states and 44020 transitions. [2021-10-28 23:16:45,008 INFO L78 Accepts]: Start accepts. Automaton has 42342 states and 44020 transitions. Word has length 407 [2021-10-28 23:16:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:45,009 INFO L470 AbstractCegarLoop]: Abstraction has 42342 states and 44020 transitions. [2021-10-28 23:16:45,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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) [2021-10-28 23:16:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 42342 states and 44020 transitions. [2021-10-28 23:16:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2021-10-28 23:16:45,039 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:16:45,039 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:45,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:45,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:45,242 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:16:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:45,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1587343426, now seen corresponding path program 1 times [2021-10-28 23:16:45,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:45,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844073108] [2021-10-28 23:16:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:45,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 978 proven. 9 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2021-10-28 23:16:45,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:45,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844073108] [2021-10-28 23:16:45,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844073108] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:45,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657598203] [2021-10-28 23:16:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:45,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:45,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:45,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:45,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 23:16:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:46,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:16:46,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 2727 proven. 0 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2021-10-28 23:16:48,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657598203] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:48,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:48,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:16:48,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996796908] [2021-10-28 23:16:48,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:16:48,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:48,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:16:48,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:48,901 INFO L87 Difference]: Start difference. First operand 42342 states and 44020 transitions. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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) [2021-10-28 23:16:49,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:49,195 INFO L93 Difference]: Finished difference Result 64930 states and 67432 transitions. [2021-10-28 23:16:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:16:49,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 1040 [2021-10-28 23:16:49,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:16:49,196 INFO L225 Difference]: With dead ends: 64930 [2021-10-28 23:16:49,196 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:16:49,209 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 1039 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:16:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:16:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:16:49,210 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) [2021-10-28 23:16:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:16:49,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1040 [2021-10-28 23:16:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:16:49,210 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:16:49,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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) [2021-10-28 23:16:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:16:49,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:16:49,213 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:16:49,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:49,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:49,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:16:49,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:49,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:51,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,787 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,788 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 23:16:57,789 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,790 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:16:57,791 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,792 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,793 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,794 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,795 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,796 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,797 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 23:16:57,798 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,799 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,800 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:16:57,801 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,802 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,803 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,804 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,805 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1615) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:16:57,806 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,807 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,808 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:16:57,809 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:16:57,810 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,811 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,812 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,812 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (= ~a12~0 1))) (let ((.cse9 (= ~a6~0 1)) (.cse0 (= ~a26~0 1)) (.cse17 (<= ~a26~0 0)) (.cse5 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse15 (not .cse2)) (.cse12 (<= ~a27~0 0))) (let ((.cse18 (or (and .cse17 .cse4 .cse15 .cse5) (and .cse4 .cse15 .cse12))) (.cse19 (= ~a12~0 ~a11~0)) (.cse20 (not .cse0)) (.cse21 (not .cse9)) (.cse6 (= ~a3~0 0)) (.cse14 (<= ~a3~0 1)) (.cse8 (= ~a15~0 1)) (.cse11 (<= ~a7~0 0)) (.cse16 (<= ~a0~0 0)) (.cse1 (= ~a5~0 1)) (.cse3 (= ~a16~0 1)) (.cse7 (= ~a11~0 0)) (.cse10 (= ~a1~0 1)) (.cse13 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse12 .cse13) (and .cse11 .cse0 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse8 .cse0 .cse16 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse3 .cse7 .cse9 .cse5) (and .cse1 .cse2 .cse17 .cse7 .cse6 .cse12 .cse13) (and .cse8 .cse1 .cse3 .cse7 .cse9 .cse15 .cse6 .cse12) (and .cse8 .cse0 .cse1 .cse14 .cse7 .cse9 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse12) (and .cse9 (or (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse11 .cse1 (not .cse5) .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse14 .cse3 .cse17 .cse7 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse19 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse7 .cse9 .cse10 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse12 .cse13) (and .cse8 .cse11 .cse16 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse16 (or (and .cse8 .cse0 .cse1 .cse14 .cse3 .cse4 .cse10 .cse5) (and .cse8 .cse1 .cse3 .cse4 .cse10 .cse6 .cse12 .cse13))) (and .cse8 .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse9 .cse10 (or (and .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse9 .cse10 .cse12) (and .cse11 .cse0 .cse1 .cse14 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse13) (and .cse1 .cse3 .cse7 .cse9 .cse10 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse20 .cse3 .cse4 .cse10 .cse21 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse14 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse14 .cse3 .cse7 .cse10 .cse21 .cse12) (and .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse17 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse6) (and .cse11 .cse16 .cse1 .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse20 .cse19 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse7 .cse21 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse10 .cse5 .cse13) (and .cse8 .cse1 .cse20 .cse3 .cse4 .cse21 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse7 .cse9 .cse15 .cse5) (and .cse8 .cse11 .cse0 .cse16 .cse1 .cse3 .cse7 .cse10 .cse5 .cse13))))) [2021-10-28 23:16:57,812 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,813 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,813 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,813 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 23:16:57,813 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 23:16:57,813 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,814 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,815 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,816 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:16:57,817 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,818 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (= ~a12~0 1))) (let ((.cse9 (= ~a6~0 1)) (.cse0 (= ~a26~0 1)) (.cse17 (<= ~a26~0 0)) (.cse5 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse15 (not .cse2)) (.cse12 (<= ~a27~0 0))) (let ((.cse18 (or (and .cse17 .cse4 .cse15 .cse5) (and .cse4 .cse15 .cse12))) (.cse19 (= ~a12~0 ~a11~0)) (.cse20 (not .cse0)) (.cse21 (not .cse9)) (.cse6 (= ~a3~0 0)) (.cse14 (<= ~a3~0 1)) (.cse8 (= ~a15~0 1)) (.cse11 (<= ~a7~0 0)) (.cse16 (<= ~a0~0 0)) (.cse1 (= ~a5~0 1)) (.cse3 (= ~a16~0 1)) (.cse7 (= ~a11~0 0)) (.cse10 (= ~a1~0 1)) (.cse13 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse12 .cse13) (and .cse11 .cse0 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse8 .cse0 .cse16 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse3 .cse7 .cse9 .cse5) (and .cse1 .cse2 .cse17 .cse7 .cse6 .cse12 .cse13) (and .cse8 .cse1 .cse3 .cse7 .cse9 .cse15 .cse6 .cse12) (and .cse8 .cse0 .cse1 .cse14 .cse7 .cse9 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse12) (and .cse9 (or (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse11 .cse1 (not .cse5) .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse14 .cse3 .cse17 .cse7 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse19 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse7 .cse9 .cse10 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse12 .cse13) (and .cse8 .cse11 .cse16 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse16 (or (and .cse8 .cse0 .cse1 .cse14 .cse3 .cse4 .cse10 .cse5) (and .cse8 .cse1 .cse3 .cse4 .cse10 .cse6 .cse12 .cse13))) (and .cse8 .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse9 .cse10 (or (and .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse9 .cse10 .cse12) (and .cse11 .cse0 .cse1 .cse14 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse13) (and .cse1 .cse3 .cse7 .cse9 .cse10 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse20 .cse3 .cse4 .cse10 .cse21 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse14 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse14 .cse3 .cse7 .cse10 .cse21 .cse12) (and .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse17 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse6) (and .cse11 .cse16 .cse1 .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse20 .cse19 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse7 .cse21 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse10 .cse5 .cse13) (and .cse8 .cse1 .cse20 .cse3 .cse4 .cse21 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse7 .cse9 .cse15 .cse5) (and .cse8 .cse11 .cse0 .cse16 .cse1 .cse3 .cse7 .cse10 .cse5 .cse13))))) [2021-10-28 23:16:57,818 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,818 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,818 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,819 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:16:57,820 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,821 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 23:16:57,822 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,823 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:16:57,824 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 23:16:57,825 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,826 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 23:16:57,827 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,828 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 23:16:57,829 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:16:57,830 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,831 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,831 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:57,834 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:57,836 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:16:57,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:16:57 BoogieIcfgContainer [2021-10-28 23:16:57,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:16:57,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:16:57,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:16:57,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:16:57,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:36" (3/4) ... [2021-10-28 23:16:57,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:16:57,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:16:57,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:16:57,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:57,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:58,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:16:58,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:16:58,139 INFO L168 Benchmark]: Toolchain (without parser) took 85297.26 ms. Allocated memory was 96.5 MB in the beginning and 14.2 GB in the end (delta: 14.1 GB). Free memory was 62.5 MB in the beginning and 11.1 GB in the end (delta: -11.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,140 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 96.5 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:16:58,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.98 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 62.1 MB in the beginning and 100.7 MB in the end (delta: -38.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.22 ms. Allocated memory is still 136.3 MB. Free memory was 100.7 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,141 INFO L168 Benchmark]: Boogie Preprocessor took 139.76 ms. Allocated memory is still 136.3 MB. Free memory was 86.0 MB in the beginning and 75.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,141 INFO L168 Benchmark]: RCFGBuilder took 2189.45 ms. Allocated memory was 136.3 MB in the beginning and 205.5 MB in the end (delta: 69.2 MB). Free memory was 75.4 MB in the beginning and 147.8 MB in the end (delta: -72.4 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,142 INFO L168 Benchmark]: TraceAbstraction took 81231.89 ms. Allocated memory was 205.5 MB in the beginning and 14.2 GB in the end (delta: 14.0 GB). Free memory was 147.8 MB in the beginning and 11.1 GB in the end (delta: -11.0 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,142 INFO L168 Benchmark]: Witness Printer took 246.31 ms. Allocated memory is still 14.2 GB. Free memory was 11.1 GB in the beginning and 11.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:58,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 96.5 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1287.98 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 62.1 MB in the beginning and 100.7 MB in the end (delta: -38.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 189.22 ms. Allocated memory is still 136.3 MB. Free memory was 100.7 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 139.76 ms. Allocated memory is still 136.3 MB. Free memory was 86.0 MB in the beginning and 75.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2189.45 ms. Allocated memory was 136.3 MB in the beginning and 205.5 MB in the end (delta: 69.2 MB). Free memory was 75.4 MB in the beginning and 147.8 MB in the end (delta: -72.4 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 81231.89 ms. Allocated memory was 205.5 MB in the beginning and 14.2 GB in the end (delta: 14.0 GB). Free memory was 147.8 MB in the beginning and 11.1 GB in the end (delta: -11.0 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.1 GB. * Witness Printer took 246.31 ms. Allocated memory is still 14.2 GB. Free memory was 11.1 GB in the beginning and 11.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * 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: 1615]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 81.0s, OverallIterations: 22, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 29.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4211 SDtfs, 7594 SDslu, 1309 SDs, 0 SdLazy, 14557 SolverSat, 2599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3783 GetRequests, 3731 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146280occurred in iteration=18, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 55742 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 495 NumberOfFragments, 2839 HoareAnnotationTreeSize, 3 FomulaSimplifications, 37162 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8274 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 10819 NumberOfCodeBlocks, 10819 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 10788 ConstructedInterpolants, 0 QuantifiedInterpolants, 22088 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6624 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 12944/13079 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 <= 0)) || (a6 == 1 && (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || ((((((a7 <= 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1)) || ((a6 == 1 && a1 == 1) && ((((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || (((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && !(a26 == 1)) && a12 == a11) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && !(a6 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a27 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 <= 0)) || (a6 == 1 && (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || ((((((a7 <= 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1)) || ((a6 == 1 && a1 == 1) && ((((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || (((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && !(a26 == 1)) && a12 == a11) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && !(a6 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a27 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:16:58,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434f4b4-8f54-4489-b739-26d4bf1b57ff/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...