./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be --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 685efd9995e3559fa33c98b3c3a918c092f08496a4c3c16e54af7b7a4363265b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:30:59,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:59,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:59,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:59,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:59,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:59,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:59,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:59,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:59,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:59,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:59,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:59,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:59,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:59,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:59,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:59,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:59,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:59,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:59,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:59,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:59,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:59,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:59,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:59,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:59,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:59,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:59,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:59,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:59,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:59,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:59,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:59,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:59,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:59,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:59,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:59,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:59,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:59,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:59,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:59,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:59,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:30:59,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:59,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:59,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:59,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:59,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:59,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:59,359 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:59,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:59,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:59,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:59,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:59,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:59,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:30:59,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:59,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:30:59,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:59,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:30:59,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:59,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:30:59,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:59,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:59,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:59,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:59,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:59,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:59,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:30:59,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:30:59,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:30:59,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:30:59,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:30:59,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:30:59,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:59,368 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_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685efd9995e3559fa33c98b3c3a918c092f08496a4c3c16e54af7b7a4363265b [2021-10-21 19:30:59,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:59,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:59,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:59,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:59,697 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:59,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-10-21 19:30:59,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/data/65090cb6c/3aace0a5f5ee418eb5ae28a9fbe839fe/FLAG7faeb965b [2021-10-21 19:31:00,463 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:31:00,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/sv-benchmarks/c/eca-rers2012/Problem15_label59.c [2021-10-21 19:31:00,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/data/65090cb6c/3aace0a5f5ee418eb5ae28a9fbe839fe/FLAG7faeb965b [2021-10-21 19:31:00,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/data/65090cb6c/3aace0a5f5ee418eb5ae28a9fbe839fe [2021-10-21 19:31:00,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:31:00,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:31:00,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:31:00,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:31:00,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:31:00,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:31:00" (1/1) ... [2021-10-21 19:31:00,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f35ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:00, skipping insertion in model container [2021-10-21 19:31:00,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:31:00" (1/1) ... [2021-10-21 19:31:00,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:31:00,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:31:01,158 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_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/sv-benchmarks/c/eca-rers2012/Problem15_label59.c[6635,6648] [2021-10-21 19:31:01,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:31:01,610 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:31:01,638 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_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/sv-benchmarks/c/eca-rers2012/Problem15_label59.c[6635,6648] [2021-10-21 19:31:01,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:31:01,877 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:31:01,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01 WrapperNode [2021-10-21 19:31:01,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:31:01,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:31:01,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:31:01,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:31:01,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:01,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:31:02,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:31:02,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:31:02,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:31:02,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:31:02,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:31:02,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:31:02,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:31:02,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (1/1) ... [2021-10-21 19:31:02,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:31:02,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:02,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:02,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:31:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:31:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:31:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:31:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:31:05,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:31:05,837 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 19:31:05,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:05 BoogieIcfgContainer [2021-10-21 19:31:05,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:31:05,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:31:05,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:31:05,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:31:05,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:31:00" (1/3) ... [2021-10-21 19:31:05,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a2e843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:31:05, skipping insertion in model container [2021-10-21 19:31:05,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:31:01" (2/3) ... [2021-10-21 19:31:05,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a2e843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:31:05, skipping insertion in model container [2021-10-21 19:31:05,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:05" (3/3) ... [2021-10-21 19:31:05,850 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label59.c [2021-10-21 19:31:05,859 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:31:05,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:31:05,924 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:31:05,935 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 [2021-10-21 19:31:05,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:31:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:31:05,987 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:05,988 INFO L512 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] [2021-10-21 19:31:05,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2021-10-21 19:31:06,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:06,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598432695] [2021-10-21 19:31:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:06,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:06,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:06,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598432695] [2021-10-21 19:31:06,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598432695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:06,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:06,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:31:06,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230522016] [2021-10-21 19:31:06,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:06,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:06,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:06,335 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:09,232 INFO L93 Difference]: Finished difference Result 1197 states and 2163 transitions. [2021-10-21 19:31:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:09,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-10-21 19:31:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:09,253 INFO L225 Difference]: With dead ends: 1197 [2021-10-21 19:31:09,253 INFO L226 Difference]: Without dead ends: 694 [2021-10-21 19:31:09,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:09,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-10-21 19:31:09,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2021-10-21 19:31:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.718887262079063) internal successors, (1174), 683 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1174 transitions. [2021-10-21 19:31:09,345 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1174 transitions. Word has length 54 [2021-10-21 19:31:09,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:09,346 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 1174 transitions. [2021-10-21 19:31:09,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1174 transitions. [2021-10-21 19:31:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-21 19:31:09,352 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:09,352 INFO L512 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, 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] [2021-10-21 19:31:09,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:31:09,353 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:09,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1246806213, now seen corresponding path program 1 times [2021-10-21 19:31:09,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:09,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083722131] [2021-10-21 19:31:09,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:09,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:09,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:09,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083722131] [2021-10-21 19:31:09,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083722131] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:09,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:09,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:31:09,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322243196] [2021-10-21 19:31:09,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:09,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:09,532 INFO L87 Difference]: Start difference. First operand 684 states and 1174 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:11,738 INFO L93 Difference]: Finished difference Result 1681 states and 2896 transitions. [2021-10-21 19:31:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:11,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-10-21 19:31:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:11,744 INFO L225 Difference]: With dead ends: 1681 [2021-10-21 19:31:11,744 INFO L226 Difference]: Without dead ends: 999 [2021-10-21 19:31:11,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:11,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-21 19:31:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 989. [2021-10-21 19:31:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 988 states have (on average 1.6194331983805668) internal successors, (1600), 988 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1600 transitions. [2021-10-21 19:31:11,795 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1600 transitions. Word has length 119 [2021-10-21 19:31:11,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:11,797 INFO L470 AbstractCegarLoop]: Abstraction has 989 states and 1600 transitions. [2021-10-21 19:31:11,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1600 transitions. [2021-10-21 19:31:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-21 19:31:11,810 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:11,811 INFO L512 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, 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] [2021-10-21 19:31:11,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:31:11,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:11,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:11,823 INFO L82 PathProgramCache]: Analyzing trace with hash -214871010, now seen corresponding path program 1 times [2021-10-21 19:31:11,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:11,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741661264] [2021-10-21 19:31:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:11,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:11,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:11,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741661264] [2021-10-21 19:31:11,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741661264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:11,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:11,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:31:11,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492428446] [2021-10-21 19:31:11,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:11,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:11,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:11,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:11,921 INFO L87 Difference]: Start difference. First operand 989 states and 1600 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:13,621 INFO L93 Difference]: Finished difference Result 2575 states and 4255 transitions. [2021-10-21 19:31:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:13,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-10-21 19:31:13,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:13,632 INFO L225 Difference]: With dead ends: 2575 [2021-10-21 19:31:13,632 INFO L226 Difference]: Without dead ends: 1588 [2021-10-21 19:31:13,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:13,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2021-10-21 19:31:13,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1584. [2021-10-21 19:31:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1583 states have (on average 1.3986102337334176) internal successors, (2214), 1583 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2214 transitions. [2021-10-21 19:31:13,680 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2214 transitions. Word has length 120 [2021-10-21 19:31:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:13,682 INFO L470 AbstractCegarLoop]: Abstraction has 1584 states and 2214 transitions. [2021-10-21 19:31:13,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2214 transitions. [2021-10-21 19:31:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-21 19:31:13,685 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:13,685 INFO L512 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, 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] [2021-10-21 19:31:13,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:31:13,685 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1115564308, now seen corresponding path program 1 times [2021-10-21 19:31:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:13,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845437999] [2021-10-21 19:31:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:13,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:13,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:13,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845437999] [2021-10-21 19:31:13,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845437999] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:13,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:13,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:31:13,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599500163] [2021-10-21 19:31:13,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:13,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:13,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:13,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:13,845 INFO L87 Difference]: Start difference. First operand 1584 states and 2214 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:15,803 INFO L93 Difference]: Finished difference Result 4068 states and 5866 transitions. [2021-10-21 19:31:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:15,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-10-21 19:31:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:15,823 INFO L225 Difference]: With dead ends: 4068 [2021-10-21 19:31:15,824 INFO L226 Difference]: Without dead ends: 2785 [2021-10-21 19:31:15,828 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:15,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-10-21 19:31:15,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2483. [2021-10-21 19:31:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2482 states have (on average 1.2961321514907334) internal successors, (3217), 2482 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3217 transitions. [2021-10-21 19:31:15,896 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3217 transitions. Word has length 124 [2021-10-21 19:31:15,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:15,897 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 3217 transitions. [2021-10-21 19:31:15,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3217 transitions. [2021-10-21 19:31:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-21 19:31:15,900 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:15,900 INFO L512 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, 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] [2021-10-21 19:31:15,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:31:15,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:15,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:15,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1684612182, now seen corresponding path program 1 times [2021-10-21 19:31:15,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:15,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248410117] [2021-10-21 19:31:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:15,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:16,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:16,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248410117] [2021-10-21 19:31:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248410117] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:16,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:16,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:16,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450977930] [2021-10-21 19:31:16,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:16,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:16,093 INFO L87 Difference]: Start difference. First operand 2483 states and 3217 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:17,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:17,897 INFO L93 Difference]: Finished difference Result 7358 states and 9526 transitions. [2021-10-21 19:31:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:17,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2021-10-21 19:31:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:17,917 INFO L225 Difference]: With dead ends: 7358 [2021-10-21 19:31:17,917 INFO L226 Difference]: Without dead ends: 3681 [2021-10-21 19:31:17,922 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2021-10-21 19:31:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 3681. [2021-10-21 19:31:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3680 states have (on average 1.1695652173913043) internal successors, (4304), 3680 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4304 transitions. [2021-10-21 19:31:18,014 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4304 transitions. Word has length 145 [2021-10-21 19:31:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:18,016 INFO L470 AbstractCegarLoop]: Abstraction has 3681 states and 4304 transitions. [2021-10-21 19:31:18,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4304 transitions. [2021-10-21 19:31:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-10-21 19:31:18,020 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:18,021 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:18,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:31:18,021 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:18,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:18,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1210416382, now seen corresponding path program 1 times [2021-10-21 19:31:18,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:18,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785390009] [2021-10-21 19:31:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:18,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:18,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:18,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785390009] [2021-10-21 19:31:18,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785390009] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:18,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:18,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:18,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190930318] [2021-10-21 19:31:18,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:31:18,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:18,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:31:18,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:18,308 INFO L87 Difference]: Start difference. First operand 3681 states and 4304 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:20,899 INFO L93 Difference]: Finished difference Result 11273 states and 13177 transitions. [2021-10-21 19:31:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:31:20,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 287 [2021-10-21 19:31:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:20,937 INFO L225 Difference]: With dead ends: 11273 [2021-10-21 19:31:20,937 INFO L226 Difference]: Without dead ends: 7295 [2021-10-21 19:31:20,943 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7295 states. [2021-10-21 19:31:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7295 to 6081. [2021-10-21 19:31:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1837171052631579) internal successors, (7197), 6080 states have internal predecessors, (7197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7197 transitions. [2021-10-21 19:31:21,096 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7197 transitions. Word has length 287 [2021-10-21 19:31:21,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:21,097 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7197 transitions. [2021-10-21 19:31:21,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7197 transitions. [2021-10-21 19:31:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-10-21 19:31:21,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:21,104 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:21,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:31:21,105 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:21,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1076396748, now seen corresponding path program 1 times [2021-10-21 19:31:21,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:21,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855522130] [2021-10-21 19:31:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:21,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:21,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:21,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855522130] [2021-10-21 19:31:21,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855522130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:21,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:21,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:21,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663201143] [2021-10-21 19:31:21,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:21,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:21,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:21,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:21,322 INFO L87 Difference]: Start difference. First operand 6081 states and 7197 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:22,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:22,807 INFO L93 Difference]: Finished difference Result 15157 states and 18286 transitions. [2021-10-21 19:31:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:22,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2021-10-21 19:31:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:22,853 INFO L225 Difference]: With dead ends: 15157 [2021-10-21 19:31:22,853 INFO L226 Difference]: Without dead ends: 9078 [2021-10-21 19:31:22,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:22,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9078 states. [2021-10-21 19:31:23,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9078 to 9073. [2021-10-21 19:31:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.1460537918871252) internal successors, (10397), 9072 states have internal predecessors, (10397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10397 transitions. [2021-10-21 19:31:23,065 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10397 transitions. Word has length 324 [2021-10-21 19:31:23,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:23,067 INFO L470 AbstractCegarLoop]: Abstraction has 9073 states and 10397 transitions. [2021-10-21 19:31:23,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10397 transitions. [2021-10-21 19:31:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-10-21 19:31:23,074 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:23,075 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:23,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:31:23,075 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:23,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1202719056, now seen corresponding path program 1 times [2021-10-21 19:31:23,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:23,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961385457] [2021-10-21 19:31:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:23,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-21 19:31:23,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:23,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961385457] [2021-10-21 19:31:23,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961385457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:23,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:23,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:31:23,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713527322] [2021-10-21 19:31:23,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:23,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:23,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:23,345 INFO L87 Difference]: Start difference. First operand 9073 states and 10397 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:24,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:24,763 INFO L93 Difference]: Finished difference Result 18443 states and 21095 transitions. [2021-10-21 19:31:24,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:24,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 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 337 [2021-10-21 19:31:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:24,787 INFO L225 Difference]: With dead ends: 18443 [2021-10-21 19:31:24,787 INFO L226 Difference]: Without dead ends: 9372 [2021-10-21 19:31:24,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9372 states. [2021-10-21 19:31:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9372 to 9372. [2021-10-21 19:31:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 9371 states have (on average 1.1416070856898943) internal successors, (10698), 9371 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:24,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 10698 transitions. [2021-10-21 19:31:24,984 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 10698 transitions. Word has length 337 [2021-10-21 19:31:24,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:24,985 INFO L470 AbstractCegarLoop]: Abstraction has 9372 states and 10698 transitions. [2021-10-21 19:31:24,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 10698 transitions. [2021-10-21 19:31:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-10-21 19:31:24,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:24,995 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:24,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:31:24,996 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:24,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1165623333, now seen corresponding path program 1 times [2021-10-21 19:31:24,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:24,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718723318] [2021-10-21 19:31:24,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:24,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:31:25,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:25,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718723318] [2021-10-21 19:31:25,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718723318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:25,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:25,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:25,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365351318] [2021-10-21 19:31:25,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:25,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:25,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:25,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:25,260 INFO L87 Difference]: Start difference. First operand 9372 states and 10698 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:26,978 INFO L93 Difference]: Finished difference Result 21137 states and 24503 transitions. [2021-10-21 19:31:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:26,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 431 [2021-10-21 19:31:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:26,993 INFO L225 Difference]: With dead ends: 21137 [2021-10-21 19:31:26,993 INFO L226 Difference]: Without dead ends: 12066 [2021-10-21 19:31:27,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12066 states. [2021-10-21 19:31:27,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12066 to 10265. [2021-10-21 19:31:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10265 states, 10264 states have (on average 1.1389321901792673) internal successors, (11690), 10264 states have internal predecessors, (11690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10265 states to 10265 states and 11690 transitions. [2021-10-21 19:31:27,189 INFO L78 Accepts]: Start accepts. Automaton has 10265 states and 11690 transitions. Word has length 431 [2021-10-21 19:31:27,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:27,190 INFO L470 AbstractCegarLoop]: Abstraction has 10265 states and 11690 transitions. [2021-10-21 19:31:27,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 10265 states and 11690 transitions. [2021-10-21 19:31:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-10-21 19:31:27,200 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:27,201 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:27,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:31:27,202 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:27,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:27,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1389467139, now seen corresponding path program 1 times [2021-10-21 19:31:27,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:27,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169748036] [2021-10-21 19:31:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:27,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-10-21 19:31:27,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:27,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169748036] [2021-10-21 19:31:27,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169748036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:27,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:27,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:27,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020118976] [2021-10-21 19:31:27,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:31:27,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:27,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:31:27,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:27,496 INFO L87 Difference]: Start difference. First operand 10265 states and 11690 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:30,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:30,148 INFO L93 Difference]: Finished difference Result 24435 states and 27925 transitions. [2021-10-21 19:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:31:30,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 467 [2021-10-21 19:31:30,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:30,173 INFO L225 Difference]: With dead ends: 24435 [2021-10-21 19:31:30,174 INFO L226 Difference]: Without dead ends: 14172 [2021-10-21 19:31:30,183 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14172 states. [2021-10-21 19:31:30,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14172 to 10267. [2021-10-21 19:31:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10267 states, 10266 states have (on average 1.1373465809468146) internal successors, (11676), 10266 states have internal predecessors, (11676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10267 states to 10267 states and 11676 transitions. [2021-10-21 19:31:30,368 INFO L78 Accepts]: Start accepts. Automaton has 10267 states and 11676 transitions. Word has length 467 [2021-10-21 19:31:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:30,369 INFO L470 AbstractCegarLoop]: Abstraction has 10267 states and 11676 transitions. [2021-10-21 19:31:30,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 10267 states and 11676 transitions. [2021-10-21 19:31:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-10-21 19:31:30,427 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:30,427 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:31:30,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:31:30,428 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:30,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:30,429 INFO L82 PathProgramCache]: Analyzing trace with hash 987014533, now seen corresponding path program 1 times [2021-10-21 19:31:30,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:30,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251608248] [2021-10-21 19:31:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:30,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 104 proven. 253 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-10-21 19:31:30,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:30,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251608248] [2021-10-21 19:31:30,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251608248] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:31:30,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562261618] [2021-10-21 19:31:30,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:30,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:31:30,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:30,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:31:30,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:31:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:30,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:31:30,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-10-21 19:31:32,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562261618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:32,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:31:32,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 19:31:32,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911124286] [2021-10-21 19:31:32,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:32,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:32,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:32,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:31:32,167 INFO L87 Difference]: Start difference. First operand 10267 states and 11676 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:33,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:33,905 INFO L93 Difference]: Finished difference Result 21424 states and 24285 transitions. [2021-10-21 19:31:33,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:33,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 528 [2021-10-21 19:31:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:33,922 INFO L225 Difference]: With dead ends: 21424 [2021-10-21 19:31:33,922 INFO L226 Difference]: Without dead ends: 9664 [2021-10-21 19:31:33,931 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:31:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9664 states. [2021-10-21 19:31:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9664 to 9365. [2021-10-21 19:31:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9365 states, 9364 states have (on average 1.0972874839812046) internal successors, (10275), 9364 states have internal predecessors, (10275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 10275 transitions. [2021-10-21 19:31:34,055 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 10275 transitions. Word has length 528 [2021-10-21 19:31:34,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:34,056 INFO L470 AbstractCegarLoop]: Abstraction has 9365 states and 10275 transitions. [2021-10-21 19:31:34,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 10275 transitions. [2021-10-21 19:31:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-10-21 19:31:34,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:34,071 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:34,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-21 19:31:34,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:31:34,287 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:34,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:34,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1919776586, now seen corresponding path program 1 times [2021-10-21 19:31:34,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:34,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417498646] [2021-10-21 19:31:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:34,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 104 proven. 306 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-21 19:31:34,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:34,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417498646] [2021-10-21 19:31:34,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417498646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:31:34,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087225849] [2021-10-21 19:31:34,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:34,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:31:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:34,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:31:34,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:31:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:35,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:31:35,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-10-21 19:31:36,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087225849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:36,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:31:36,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 19:31:36,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432466372] [2021-10-21 19:31:36,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:36,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:31:36,391 INFO L87 Difference]: Start difference. First operand 9365 states and 10275 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:37,540 INFO L93 Difference]: Finished difference Result 18425 states and 20240 transitions. [2021-10-21 19:31:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:37,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 581 [2021-10-21 19:31:37,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:37,551 INFO L225 Difference]: With dead ends: 18425 [2021-10-21 19:31:37,551 INFO L226 Difference]: Without dead ends: 9361 [2021-10-21 19:31:37,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:31:37,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9361 states. [2021-10-21 19:31:37,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9361 to 9062. [2021-10-21 19:31:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9062 states, 9061 states have (on average 1.064672773424567) internal successors, (9647), 9061 states have internal predecessors, (9647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 9647 transitions. [2021-10-21 19:31:37,671 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 9647 transitions. Word has length 581 [2021-10-21 19:31:37,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:37,672 INFO L470 AbstractCegarLoop]: Abstraction has 9062 states and 9647 transitions. [2021-10-21 19:31:37,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 9647 transitions. [2021-10-21 19:31:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-10-21 19:31:37,683 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:37,684 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:31:37,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:37,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 19:31:37,899 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:37,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:37,899 INFO L82 PathProgramCache]: Analyzing trace with hash 434787481, now seen corresponding path program 1 times [2021-10-21 19:31:37,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:37,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49220410] [2021-10-21 19:31:37,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:37,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-21 19:31:38,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:38,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49220410] [2021-10-21 19:31:38,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49220410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:38,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:38,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:38,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963725065] [2021-10-21 19:31:38,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:38,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:38,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:38,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:38,181 INFO L87 Difference]: Start difference. First operand 9062 states and 9647 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:39,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:39,361 INFO L93 Difference]: Finished difference Result 20835 states and 22190 transitions. [2021-10-21 19:31:39,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:39,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 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 670 [2021-10-21 19:31:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:39,372 INFO L225 Difference]: With dead ends: 20835 [2021-10-21 19:31:39,372 INFO L226 Difference]: Without dead ends: 12973 [2021-10-21 19:31:39,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:39,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-10-21 19:31:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12663. [2021-10-21 19:31:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12663 states, 12662 states have (on average 1.0555204549044386) internal successors, (13365), 12662 states have internal predecessors, (13365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12663 states to 12663 states and 13365 transitions. [2021-10-21 19:31:39,537 INFO L78 Accepts]: Start accepts. Automaton has 12663 states and 13365 transitions. Word has length 670 [2021-10-21 19:31:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:39,539 INFO L470 AbstractCegarLoop]: Abstraction has 12663 states and 13365 transitions. [2021-10-21 19:31:39,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12663 states and 13365 transitions. [2021-10-21 19:31:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-10-21 19:31:39,551 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:39,551 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:31:39,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:31:39,552 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:39,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:39,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1108444928, now seen corresponding path program 1 times [2021-10-21 19:31:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:39,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814342606] [2021-10-21 19:31:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:39,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:39,814 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-10-21 19:31:39,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:39,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814342606] [2021-10-21 19:31:39,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814342606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:39,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:39,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:39,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752044392] [2021-10-21 19:31:39,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:39,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:39,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:39,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:39,820 INFO L87 Difference]: Start difference. First operand 12663 states and 13365 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:40,911 INFO L93 Difference]: Finished difference Result 26820 states and 28377 transitions. [2021-10-21 19:31:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:40,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 686 [2021-10-21 19:31:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:40,925 INFO L225 Difference]: With dead ends: 26820 [2021-10-21 19:31:40,926 INFO L226 Difference]: Without dead ends: 14458 [2021-10-21 19:31:40,932 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2021-10-21 19:31:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14157. [2021-10-21 19:31:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-10-21 19:31:41,097 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 686 [2021-10-21 19:31:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:41,098 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-10-21 19:31:41,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-10-21 19:31:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2021-10-21 19:31:41,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:41,113 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:31:41,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:31:41,113 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:41,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1969280993, now seen corresponding path program 1 times [2021-10-21 19:31:41,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:41,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899906301] [2021-10-21 19:31:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:41,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-10-21 19:31:41,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:41,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899906301] [2021-10-21 19:31:41,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899906301] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:41,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:41,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:31:41,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939503604] [2021-10-21 19:31:41,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:31:41,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:41,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:31:41,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:41,465 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:43,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:43,302 INFO L93 Difference]: Finished difference Result 32218 states and 33784 transitions. [2021-10-21 19:31:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:31:43,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 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 706 [2021-10-21 19:31:43,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:43,315 INFO L225 Difference]: With dead ends: 32218 [2021-10-21 19:31:43,315 INFO L226 Difference]: Without dead ends: 18962 [2021-10-21 19:31:43,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:43,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18962 states. [2021-10-21 19:31:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18962 to 14157. [2021-10-21 19:31:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0509324667985307) internal successors, (14877), 14156 states have internal predecessors, (14877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14877 transitions. [2021-10-21 19:31:43,512 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14877 transitions. Word has length 706 [2021-10-21 19:31:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:43,514 INFO L470 AbstractCegarLoop]: Abstraction has 14157 states and 14877 transitions. [2021-10-21 19:31:43,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14877 transitions. [2021-10-21 19:31:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2021-10-21 19:31:43,539 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:43,540 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:31:43,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:31:43,540 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:43,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:43,541 INFO L82 PathProgramCache]: Analyzing trace with hash -2023005704, now seen corresponding path program 1 times [2021-10-21 19:31:43,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:43,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346529929] [2021-10-21 19:31:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:43,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 805 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-10-21 19:31:43,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:43,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346529929] [2021-10-21 19:31:43,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346529929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:43,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:43,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:43,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940738127] [2021-10-21 19:31:43,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:43,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:43,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:43,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:43,871 INFO L87 Difference]: Start difference. First operand 14157 states and 14877 transitions. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:45,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:45,136 INFO L93 Difference]: Finished difference Result 32197 states and 33927 transitions. [2021-10-21 19:31:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:45,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 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 726 [2021-10-21 19:31:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:45,157 INFO L225 Difference]: With dead ends: 32197 [2021-10-21 19:31:45,158 INFO L226 Difference]: Without dead ends: 18341 [2021-10-21 19:31:45,167 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18341 states. [2021-10-21 19:31:45,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18341 to 17145. [2021-10-21 19:31:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17145 states, 17144 states have (on average 1.0505132991133925) internal successors, (18010), 17144 states have internal predecessors, (18010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 18010 transitions. [2021-10-21 19:31:45,354 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 18010 transitions. Word has length 726 [2021-10-21 19:31:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:45,355 INFO L470 AbstractCegarLoop]: Abstraction has 17145 states and 18010 transitions. [2021-10-21 19:31:45,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 18010 transitions. [2021-10-21 19:31:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2021-10-21 19:31:45,371 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:45,371 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-10-21 19:31:45,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:31:45,372 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:45,372 INFO L82 PathProgramCache]: Analyzing trace with hash -957069396, now seen corresponding path program 1 times [2021-10-21 19:31:45,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:45,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803377416] [2021-10-21 19:31:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:45,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-10-21 19:31:45,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:45,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803377416] [2021-10-21 19:31:45,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803377416] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:45,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:45,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:45,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651985297] [2021-10-21 19:31:45,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:45,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:45,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:45,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:45,634 INFO L87 Difference]: Start difference. First operand 17145 states and 18010 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:46,756 INFO L93 Difference]: Finished difference Result 33987 states and 35686 transitions. [2021-10-21 19:31:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:46,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 758 [2021-10-21 19:31:46,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:46,773 INFO L225 Difference]: With dead ends: 33987 [2021-10-21 19:31:46,773 INFO L226 Difference]: Without dead ends: 17143 [2021-10-21 19:31:46,782 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17143 states. [2021-10-21 19:31:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17143 to 16844. [2021-10-21 19:31:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16844 states, 16843 states have (on average 1.0492192602268005) internal successors, (17672), 16843 states have internal predecessors, (17672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16844 states to 16844 states and 17672 transitions. [2021-10-21 19:31:47,060 INFO L78 Accepts]: Start accepts. Automaton has 16844 states and 17672 transitions. Word has length 758 [2021-10-21 19:31:47,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:47,061 INFO L470 AbstractCegarLoop]: Abstraction has 16844 states and 17672 transitions. [2021-10-21 19:31:47,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 16844 states and 17672 transitions. [2021-10-21 19:31:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 850 [2021-10-21 19:31:47,076 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:47,077 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:47,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:31:47,077 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:47,078 INFO L82 PathProgramCache]: Analyzing trace with hash -880788312, now seen corresponding path program 1 times [2021-10-21 19:31:47,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:47,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405438466] [2021-10-21 19:31:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:47,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-10-21 19:31:47,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:47,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405438466] [2021-10-21 19:31:47,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405438466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:47,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:47,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:47,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601252675] [2021-10-21 19:31:47,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:31:47,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:47,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:31:47,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:47,401 INFO L87 Difference]: Start difference. First operand 16844 states and 17672 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:48,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:48,496 INFO L93 Difference]: Finished difference Result 35468 states and 37203 transitions. [2021-10-21 19:31:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:31:48,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 849 [2021-10-21 19:31:48,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:48,516 INFO L225 Difference]: With dead ends: 35468 [2021-10-21 19:31:48,516 INFO L226 Difference]: Without dead ends: 18925 [2021-10-21 19:31:48,525 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:31:48,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18925 states. [2021-10-21 19:31:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18925 to 16831. [2021-10-21 19:31:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16831 states, 16830 states have (on average 1.047415329768271) internal successors, (17628), 16830 states have internal predecessors, (17628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16831 states to 16831 states and 17628 transitions. [2021-10-21 19:31:48,760 INFO L78 Accepts]: Start accepts. Automaton has 16831 states and 17628 transitions. Word has length 849 [2021-10-21 19:31:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:48,761 INFO L470 AbstractCegarLoop]: Abstraction has 16831 states and 17628 transitions. [2021-10-21 19:31:48,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16831 states and 17628 transitions. [2021-10-21 19:31:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-10-21 19:31:48,774 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:48,775 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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] [2021-10-21 19:31:48,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:31:48,775 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:48,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:48,776 INFO L82 PathProgramCache]: Analyzing trace with hash 378350950, now seen corresponding path program 1 times [2021-10-21 19:31:48,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:48,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009489844] [2021-10-21 19:31:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:48,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 842 proven. 188 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-10-21 19:31:49,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:49,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009489844] [2021-10-21 19:31:49,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009489844] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:31:49,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2416732] [2021-10-21 19:31:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:49,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:31:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:49,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:31:49,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:31:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:49,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:31:49,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1481 backedges. 1239 proven. 2 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-10-21 19:31:53,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2416732] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:31:53,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:31:53,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-10-21 19:31:53,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944316402] [2021-10-21 19:31:53,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:31:53,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:53,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:31:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:31:53,103 INFO L87 Difference]: Start difference. First operand 16831 states and 17628 transitions. Second operand has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:57,110 INFO L93 Difference]: Finished difference Result 36903 states and 38571 transitions. [2021-10-21 19:31:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-21 19:31:57,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 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 884 [2021-10-21 19:31:57,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:57,125 INFO L225 Difference]: With dead ends: 36903 [2021-10-21 19:31:57,126 INFO L226 Difference]: Without dead ends: 20373 [2021-10-21 19:31:57,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 148.8ms TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-10-21 19:31:57,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20373 states. [2021-10-21 19:31:57,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20373 to 17728. [2021-10-21 19:31:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17728 states, 17727 states have (on average 1.0453545439160603) internal successors, (18531), 17727 states have internal predecessors, (18531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17728 states to 17728 states and 18531 transitions. [2021-10-21 19:31:57,317 INFO L78 Accepts]: Start accepts. Automaton has 17728 states and 18531 transitions. Word has length 884 [2021-10-21 19:31:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:57,317 INFO L470 AbstractCegarLoop]: Abstraction has 17728 states and 18531 transitions. [2021-10-21 19:31:57,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 139.625) internal successors, (1117), 8 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:57,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17728 states and 18531 transitions. [2021-10-21 19:31:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2021-10-21 19:31:57,330 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:57,330 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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] [2021-10-21 19:31:57,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:57,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:31:57,546 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:57,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:57,547 INFO L82 PathProgramCache]: Analyzing trace with hash -542640556, now seen corresponding path program 1 times [2021-10-21 19:31:57,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:57,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558612005] [2021-10-21 19:31:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:57,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-10-21 19:31:57,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:57,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558612005] [2021-10-21 19:31:57,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558612005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:57,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:57,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:31:57,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068665844] [2021-10-21 19:31:57,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:31:57,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:57,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:31:57,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:57,911 INFO L87 Difference]: Start difference. First operand 17728 states and 18531 transitions. Second operand has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:59,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:59,888 INFO L93 Difference]: Finished difference Result 41754 states and 43560 transitions. [2021-10-21 19:31:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:31:59,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 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 902 [2021-10-21 19:31:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:59,904 INFO L225 Difference]: With dead ends: 41754 [2021-10-21 19:31:59,904 INFO L226 Difference]: Without dead ends: 24028 [2021-10-21 19:31:59,910 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:59,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24028 states. [2021-10-21 19:32:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24028 to 21024. [2021-10-21 19:32:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21024 states, 21023 states have (on average 1.04257242068211) internal successors, (21918), 21023 states have internal predecessors, (21918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21024 states to 21024 states and 21918 transitions. [2021-10-21 19:32:00,091 INFO L78 Accepts]: Start accepts. Automaton has 21024 states and 21918 transitions. Word has length 902 [2021-10-21 19:32:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:00,092 INFO L470 AbstractCegarLoop]: Abstraction has 21024 states and 21918 transitions. [2021-10-21 19:32:00,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 21024 states and 21918 transitions. [2021-10-21 19:32:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2021-10-21 19:32:00,105 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:00,106 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:32:00,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:32:00,106 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:00,107 INFO L82 PathProgramCache]: Analyzing trace with hash 411928055, now seen corresponding path program 1 times [2021-10-21 19:32:00,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:00,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194960609] [2021-10-21 19:32:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:00,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 1069 proven. 143 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-10-21 19:32:00,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:00,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194960609] [2021-10-21 19:32:00,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194960609] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:32:00,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092315942] [2021-10-21 19:32:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:00,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:00,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:32:00,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:32:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:01,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:01,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1589 backedges. 782 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2021-10-21 19:32:05,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092315942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:05,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:32:05,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-10-21 19:32:05,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146942689] [2021-10-21 19:32:05,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:32:05,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:05,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:32:05,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:32:05,237 INFO L87 Difference]: Start difference. First operand 21024 states and 21918 transitions. Second operand has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:07,114 INFO L93 Difference]: Finished difference Result 46551 states and 48466 transitions. [2021-10-21 19:32:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:32:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 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 931 [2021-10-21 19:32:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:07,226 INFO L225 Difference]: With dead ends: 46551 [2021-10-21 19:32:07,226 INFO L226 Difference]: Without dead ends: 25529 [2021-10-21 19:32:07,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 930 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:32:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25529 states. [2021-10-21 19:32:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25529 to 20426. [2021-10-21 19:32:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20426 states, 20425 states have (on average 1.043231334149327) internal successors, (21308), 20425 states have internal predecessors, (21308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20426 states to 20426 states and 21308 transitions. [2021-10-21 19:32:07,420 INFO L78 Accepts]: Start accepts. Automaton has 20426 states and 21308 transitions. Word has length 931 [2021-10-21 19:32:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:07,420 INFO L470 AbstractCegarLoop]: Abstraction has 20426 states and 21308 transitions. [2021-10-21 19:32:07,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 20426 states and 21308 transitions. [2021-10-21 19:32:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2021-10-21 19:32:07,434 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:07,434 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:07,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:07,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:07,639 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:07,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:07,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1083452368, now seen corresponding path program 1 times [2021-10-21 19:32:07,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:07,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005680522] [2021-10-21 19:32:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:07,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 959 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-10-21 19:32:08,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:08,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005680522] [2021-10-21 19:32:08,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005680522] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:08,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:08,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:32:08,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356432360] [2021-10-21 19:32:08,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:32:08,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:32:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:08,016 INFO L87 Difference]: Start difference. First operand 20426 states and 21308 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:09,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:09,026 INFO L93 Difference]: Finished difference Result 40849 states and 42624 transitions. [2021-10-21 19:32:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:32:09,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 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 993 [2021-10-21 19:32:09,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:09,041 INFO L225 Difference]: With dead ends: 40849 [2021-10-21 19:32:09,041 INFO L226 Difference]: Without dead ends: 21023 [2021-10-21 19:32:09,049 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21023 states. [2021-10-21 19:32:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21023 to 20425. [2021-10-21 19:32:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20425 states, 20424 states have (on average 1.0431844888366628) internal successors, (21306), 20424 states have internal predecessors, (21306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20425 states to 20425 states and 21306 transitions. [2021-10-21 19:32:09,373 INFO L78 Accepts]: Start accepts. Automaton has 20425 states and 21306 transitions. Word has length 993 [2021-10-21 19:32:09,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:09,374 INFO L470 AbstractCegarLoop]: Abstraction has 20425 states and 21306 transitions. [2021-10-21 19:32:09,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 20425 states and 21306 transitions. [2021-10-21 19:32:09,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2021-10-21 19:32:09,392 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:09,392 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:09,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 19:32:09,393 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 20026544, now seen corresponding path program 1 times [2021-10-21 19:32:09,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:09,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082742374] [2021-10-21 19:32:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:09,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 1062 proven. 105 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-10-21 19:32:09,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:09,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082742374] [2021-10-21 19:32:09,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082742374] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:32:09,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950764872] [2021-10-21 19:32:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:09,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:09,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:32:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:32:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:11,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:11,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-10-21 19:32:13,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950764872] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:13,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:32:13,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-10-21 19:32:13,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675103033] [2021-10-21 19:32:13,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:32:13,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:13,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:32:13,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:32:13,245 INFO L87 Difference]: Start difference. First operand 20425 states and 21306 transitions. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:15,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:15,081 INFO L93 Difference]: Finished difference Result 51338 states and 53557 transitions. [2021-10-21 19:32:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:32:15,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 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 1014 [2021-10-21 19:32:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:15,105 INFO L225 Difference]: With dead ends: 51338 [2021-10-21 19:32:15,105 INFO L226 Difference]: Without dead ends: 31214 [2021-10-21 19:32:15,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:32:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31214 states. [2021-10-21 19:32:15,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31214 to 25512. [2021-10-21 19:32:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25512 states, 25511 states have (on average 1.0470777311747874) internal successors, (26712), 25511 states have internal predecessors, (26712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25512 states to 25512 states and 26712 transitions. [2021-10-21 19:32:15,423 INFO L78 Accepts]: Start accepts. Automaton has 25512 states and 26712 transitions. Word has length 1014 [2021-10-21 19:32:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:15,424 INFO L470 AbstractCegarLoop]: Abstraction has 25512 states and 26712 transitions. [2021-10-21 19:32:15,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 25512 states and 26712 transitions. [2021-10-21 19:32:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2021-10-21 19:32:15,436 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:15,437 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:15,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:15,638 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:15,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:15,638 INFO L82 PathProgramCache]: Analyzing trace with hash 502836976, now seen corresponding path program 1 times [2021-10-21 19:32:15,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:15,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089394955] [2021-10-21 19:32:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:15,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1338 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-10-21 19:32:16,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:16,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089394955] [2021-10-21 19:32:16,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089394955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:16,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:16,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:32:16,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708580149] [2021-10-21 19:32:16,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:32:16,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:16,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:32:16,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:16,010 INFO L87 Difference]: Start difference. First operand 25512 states and 26712 transitions. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:17,372 INFO L93 Difference]: Finished difference Result 57915 states and 60628 transitions. [2021-10-21 19:32:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:32:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 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 1053 [2021-10-21 19:32:17,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:17,396 INFO L225 Difference]: With dead ends: 57915 [2021-10-21 19:32:17,396 INFO L226 Difference]: Without dead ends: 33003 [2021-10-21 19:32:17,407 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:17,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33003 states. [2021-10-21 19:32:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33003 to 30298. [2021-10-21 19:32:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30298 states, 30297 states have (on average 1.0430735716407564) internal successors, (31602), 30297 states have internal predecessors, (31602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30298 states to 30298 states and 31602 transitions. [2021-10-21 19:32:17,775 INFO L78 Accepts]: Start accepts. Automaton has 30298 states and 31602 transitions. Word has length 1053 [2021-10-21 19:32:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:17,776 INFO L470 AbstractCegarLoop]: Abstraction has 30298 states and 31602 transitions. [2021-10-21 19:32:17,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30298 states and 31602 transitions. [2021-10-21 19:32:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-10-21 19:32:17,796 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:17,797 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:17,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-21 19:32:17,797 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:17,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:17,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1877204560, now seen corresponding path program 1 times [2021-10-21 19:32:17,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:17,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723158754] [2021-10-21 19:32:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:17,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 1375 proven. 0 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2021-10-21 19:32:18,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:18,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723158754] [2021-10-21 19:32:18,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723158754] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:18,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:18,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:32:18,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859314681] [2021-10-21 19:32:18,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:32:18,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:18,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:32:18,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:18,132 INFO L87 Difference]: Start difference. First operand 30298 states and 31602 transitions. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 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) [2021-10-21 19:32:19,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:19,286 INFO L93 Difference]: Finished difference Result 59995 states and 62599 transitions. [2021-10-21 19:32:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:32:19,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 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) Word has length 1060 [2021-10-21 19:32:19,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:19,308 INFO L225 Difference]: With dead ends: 59995 [2021-10-21 19:32:19,308 INFO L226 Difference]: Without dead ends: 30297 [2021-10-21 19:32:19,319 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30297 states. [2021-10-21 19:32:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30297 to 29998. [2021-10-21 19:32:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29998 states, 29997 states have (on average 1.0383705037170383) internal successors, (31148), 29997 states have internal predecessors, (31148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29998 states to 29998 states and 31148 transitions. [2021-10-21 19:32:19,604 INFO L78 Accepts]: Start accepts. Automaton has 29998 states and 31148 transitions. Word has length 1060 [2021-10-21 19:32:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:19,605 INFO L470 AbstractCegarLoop]: Abstraction has 29998 states and 31148 transitions. [2021-10-21 19:32:19,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 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) [2021-10-21 19:32:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29998 states and 31148 transitions. [2021-10-21 19:32:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2021-10-21 19:32:19,625 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:19,626 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:32:19,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-21 19:32:19,626 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:19,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1417750952, now seen corresponding path program 1 times [2021-10-21 19:32:19,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:19,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086155836] [2021-10-21 19:32:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:19,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2246 backedges. 1222 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-10-21 19:32:20,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:20,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086155836] [2021-10-21 19:32:20,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086155836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:20,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:20,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:32:20,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417023387] [2021-10-21 19:32:20,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:32:20,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:20,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:32:20,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:20,204 INFO L87 Difference]: Start difference. First operand 29998 states and 31148 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:21,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:21,645 INFO L93 Difference]: Finished difference Result 68694 states and 71289 transitions. [2021-10-21 19:32:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:32:21,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 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 1138 [2021-10-21 19:32:21,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:21,674 INFO L225 Difference]: With dead ends: 68694 [2021-10-21 19:32:21,674 INFO L226 Difference]: Without dead ends: 39296 [2021-10-21 19:32:21,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:32:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39296 states. [2021-10-21 19:32:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39296 to 35392. [2021-10-21 19:32:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35392 states, 35391 states have (on average 1.036647735299935) internal successors, (36688), 35391 states have internal predecessors, (36688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35392 states to 35392 states and 36688 transitions. [2021-10-21 19:32:22,110 INFO L78 Accepts]: Start accepts. Automaton has 35392 states and 36688 transitions. Word has length 1138 [2021-10-21 19:32:22,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:22,110 INFO L470 AbstractCegarLoop]: Abstraction has 35392 states and 36688 transitions. [2021-10-21 19:32:22,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 35392 states and 36688 transitions. [2021-10-21 19:32:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1154 [2021-10-21 19:32:22,126 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:22,126 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:22,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-21 19:32:22,127 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:22,127 INFO L82 PathProgramCache]: Analyzing trace with hash -829833877, now seen corresponding path program 1 times [2021-10-21 19:32:22,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:22,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972011498] [2021-10-21 19:32:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:22,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 1333 proven. 155 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-10-21 19:32:22,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:22,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972011498] [2021-10-21 19:32:22,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972011498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:32:22,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116015697] [2021-10-21 19:32:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:22,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:22,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:22,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:32:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:32:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:24,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:24,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 1073 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2021-10-21 19:32:28,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116015697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:28,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:32:28,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-21 19:32:28,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970744979] [2021-10-21 19:32:28,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:32:28,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:32:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:28,269 INFO L87 Difference]: Start difference. First operand 35392 states and 36688 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:30,995 INFO L93 Difference]: Finished difference Result 77379 states and 80098 transitions. [2021-10-21 19:32:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:32:30,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 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 1153 [2021-10-21 19:32:30,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:31,020 INFO L225 Difference]: With dead ends: 77379 [2021-10-21 19:32:31,020 INFO L226 Difference]: Without dead ends: 42288 [2021-10-21 19:32:31,027 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 36.3ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:31,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42288 states. [2021-10-21 19:32:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42288 to 35392. [2021-10-21 19:32:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35392 states, 35391 states have (on average 1.036647735299935) internal successors, (36688), 35391 states have internal predecessors, (36688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35392 states to 35392 states and 36688 transitions. [2021-10-21 19:32:31,356 INFO L78 Accepts]: Start accepts. Automaton has 35392 states and 36688 transitions. Word has length 1153 [2021-10-21 19:32:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:31,357 INFO L470 AbstractCegarLoop]: Abstraction has 35392 states and 36688 transitions. [2021-10-21 19:32:31,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 35392 states and 36688 transitions. [2021-10-21 19:32:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1191 [2021-10-21 19:32:31,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:31,374 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:31,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:31,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-21 19:32:31,574 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:31,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:31,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1950595044, now seen corresponding path program 1 times [2021-10-21 19:32:31,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:31,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833314719] [2021-10-21 19:32:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:31,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 1407 proven. 192 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-10-21 19:32:32,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:32,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833314719] [2021-10-21 19:32:32,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833314719] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:32:32,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637031043] [2021-10-21 19:32:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:32,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:32:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:32,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:32:32,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:32:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:33,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:32:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:32:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-10-21 19:32:38,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637031043] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:38,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:32:38,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-21 19:32:38,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388153441] [2021-10-21 19:32:38,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:32:38,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:38,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:32:38,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:38,119 INFO L87 Difference]: Start difference. First operand 35392 states and 36688 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:39,590 INFO L93 Difference]: Finished difference Result 50989 states and 52541 transitions. [2021-10-21 19:32:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:32:39,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 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 1190 [2021-10-21 19:32:39,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:39,592 INFO L225 Difference]: With dead ends: 50989 [2021-10-21 19:32:39,592 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:32:39,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1194 GetRequests, 1189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 16.2ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:32:39,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:32:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:32:39,605 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) [2021-10-21 19:32:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:32:39,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1190 [2021-10-21 19:32:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:39,605 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:32:39,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:32:39,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:32:39,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:32:39,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-21 19:32:39,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-21 19:32:39,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:32:39,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:32:39,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:32:40,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:32:41,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:32:50,922 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,923 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:32:50,924 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,925 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:32:50,926 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,930 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,930 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,930 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,930 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,931 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:32:50,932 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-21 19:32:50,933 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,934 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:32:50,935 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:32:50,936 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-10-21 19:32:50,936 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,936 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,936 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,936 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,938 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,938 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:32:50,938 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,938 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-21 19:32:50,938 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,939 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,940 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,940 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-21 19:32:50,940 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-21 19:32:50,940 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,940 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,941 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:32:50,942 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,942 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,943 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,944 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,945 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,946 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,947 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,948 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,949 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,950 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,951 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,952 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,953 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,954 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,955 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-21 19:32:50,956 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,957 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,959 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,959 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,959 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,959 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,960 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,961 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,961 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,961 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,961 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,962 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,962 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,963 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:32:50,963 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:32:50,963 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-21 19:32:50,963 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-21 19:32:50,963 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,964 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,964 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,964 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,965 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse16 (+ ~a29~0 127))) (let ((.cse2 (= 3 ~a2~0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (<= ~a29~0 15)) (.cse10 (<= 0 (+ 146 ~a0~0))) (.cse3 (= 2 ~a2~0)) (.cse1 (<= (+ 98 ~a0~0) 0)) (.cse7 (<= (+ ~a0~0 31779) 0)) (.cse8 (= 5 ~a2~0)) (.cse12 (<= ~a0~0 599946)) (.cse9 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse6 (= ~a2~0 1)) (.cse4 (<= 0 .cse16)) (.cse11 (<= (+ 89 ~a4~0) 0)) (.cse17 (<= 4 ~a2~0)) (.cse19 (<= ~a0~0 599976)) (.cse18 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse6 .cse7) (and .cse0 .cse3 .cse5) (and .cse8 .cse9 .cse0 .cse1) (and .cse8 .cse0 .cse1 .cse10) (and .cse11 .cse12 .cse2) (and .cse13 .cse0 .cse10 .cse6 .cse14) (and .cse11 .cse14) (let ((.cse15 (+ 44 ~a0~0))) (and .cse4 .cse11 .cse6 (<= 0 .cse15) (<= .cse15 0) (<= .cse16 0))) (and .cse0 .cse6 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse11 .cse17 .cse18) (and .cse8 .cse13 .cse4 .cse11 .cse19) (and .cse0 .cse5 (= ~a2~0 4)) (and .cse3 .cse11 .cse12) (and .cse0 .cse1 .cse10 .cse6) (and .cse0 .cse3 .cse4 .cse1) (and .cse8 .cse0 .cse7) (and .cse8 .cse4 .cse11 .cse12) (and .cse9 .cse0 .cse5 .cse6) (and .cse4 .cse11 .cse17 .cse19 .cse18)))) [2021-10-21 19:32:50,966 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,967 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-21 19:32:50,968 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,969 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,970 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,971 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse18 (+ ~a29~0 127))) (let ((.cse7 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 15)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse0 (= 5 ~a2~0)) (.cse12 (<= (+ ~a0~0 31779) 0)) (.cse3 (<= ~a0~0 599946)) (.cse13 (<= 0 (+ 146 ~a0~0))) (.cse8 (= 2 ~a2~0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse10 (< 43 ~a29~0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse11 (= ~a2~0 1)) (.cse1 (<= 0 .cse18)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 4 ~a2~0)) (.cse15 (<= ~a0~0 599976)) (.cse19 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9) (and .cse0 .cse10 .cse5 .cse9 .cse4) (and .cse5 .cse1 .cse11 .cse12) (and .cse5 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse4 .cse15) (and .cse2 .cse3 .cse7) (and .cse14 .cse5 .cse13 .cse11 .cse16) (and .cse2 .cse16) (let ((.cse17 (+ 44 ~a0~0))) (and .cse1 .cse2 .cse11 (<= 0 .cse17) (<= .cse17 0) (<= .cse18 0))) (and .cse5 .cse11 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse2 .cse4 .cse19) (and .cse5 .cse9 (= ~a2~0 4)) (and .cse0 .cse5 .cse9 .cse12 .cse4) (and .cse8 .cse2 .cse3) (and .cse5 .cse6 .cse13 .cse11) (and .cse5 .cse8 .cse1 .cse6) (and .cse10 .cse5 .cse9 .cse11) (and .cse1 .cse2 .cse4 .cse15 .cse19)))) [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,972 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-21 19:32:50,973 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:32:50,974 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,975 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,976 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,977 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,978 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-21 19:32:50,979 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,980 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,981 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,981 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,981 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse18 (+ ~a29~0 127))) (let ((.cse7 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 15)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse0 (= 5 ~a2~0)) (.cse12 (<= (+ ~a0~0 31779) 0)) (.cse3 (<= ~a0~0 599946)) (.cse13 (<= 0 (+ 146 ~a0~0))) (.cse8 (= 2 ~a2~0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse10 (< 43 ~a29~0)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse9 (<= (+ ~a0~0 147) 0)) (.cse11 (= ~a2~0 1)) (.cse1 (<= 0 .cse18)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 4 ~a2~0)) (.cse15 (<= ~a0~0 599976)) (.cse19 (<= ~a2~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9) (and .cse0 .cse10 .cse5 .cse9 .cse4) (and .cse5 .cse1 .cse11 .cse12) (and .cse5 .cse8 .cse9) (and .cse0 .cse5 .cse6 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse4 .cse15) (and .cse2 .cse3 .cse7) (and .cse14 .cse5 .cse13 .cse11 .cse16) (and .cse2 .cse16) (let ((.cse17 (+ 44 ~a0~0))) (and .cse1 .cse2 .cse11 (<= 0 .cse17) (<= .cse17 0) (<= .cse18 0))) (and .cse5 .cse11 (<= (+ ~a0~0 31780) 0)) (and (<= ~a0~0 599920) .cse2 .cse4 .cse19) (and .cse5 .cse9 (= ~a2~0 4)) (and .cse0 .cse5 .cse9 .cse12 .cse4) (and .cse8 .cse2 .cse3) (and .cse5 .cse6 .cse13 .cse11) (and .cse5 .cse8 .cse1 .cse6) (and .cse10 .cse5 .cse9 .cse11) (and .cse1 .cse2 .cse4 .cse15 .cse19)))) [2021-10-21 19:32:50,981 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:32:50,981 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:32:50,981 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,982 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,982 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,982 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,982 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,982 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,983 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,983 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,983 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 19:32:50,983 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,984 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,985 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,986 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,986 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-21 19:32:50,986 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-21 19:32:50,986 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,987 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,988 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,989 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-21 19:32:50,990 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:32:50,991 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-21 19:32:51,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:32:51,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:32:51 BoogieIcfgContainer [2021-10-21 19:32:51,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:32:51,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:32:51,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:32:51,073 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:32:51,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:31:05" (3/4) ... [2021-10-21 19:32:51,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:32:51,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 19:32:51,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:32:51,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:32:51,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:32:51,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:32:51,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:32:51,361 INFO L168 Benchmark]: Toolchain (without parser) took 110576.57 ms. Allocated memory was 123.7 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 81.4 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 603.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,362 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 123.7 MB. Free memory was 103.6 MB in the beginning and 103.6 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:32:51,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1094.00 ms. Allocated memory is still 123.7 MB. Free memory was 81.1 MB in the beginning and 83.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 303.82 ms. Allocated memory was 123.7 MB in the beginning and 169.9 MB in the end (delta: 46.1 MB). Free memory was 83.5 MB in the beginning and 113.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,363 INFO L168 Benchmark]: Boogie Preprocessor took 240.89 ms. Allocated memory is still 169.9 MB. Free memory was 113.0 MB in the beginning and 105.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,364 INFO L168 Benchmark]: RCFGBuilder took 3414.35 ms. Allocated memory was 169.9 MB in the beginning and 312.5 MB in the end (delta: 142.6 MB). Free memory was 105.7 MB in the beginning and 167.4 MB in the end (delta: -61.7 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,364 INFO L168 Benchmark]: TraceAbstraction took 105229.12 ms. Allocated memory was 312.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 167.4 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,365 INFO L168 Benchmark]: Witness Printer took 286.36 ms. Allocated memory is still 2.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:51,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 123.7 MB. Free memory was 103.6 MB in the beginning and 103.6 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1094.00 ms. Allocated memory is still 123.7 MB. Free memory was 81.1 MB in the beginning and 83.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 303.82 ms. Allocated memory was 123.7 MB in the beginning and 169.9 MB in the end (delta: 46.1 MB). Free memory was 83.5 MB in the beginning and 113.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 240.89 ms. Allocated memory is still 169.9 MB. Free memory was 113.0 MB in the beginning and 105.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3414.35 ms. Allocated memory was 169.9 MB in the beginning and 312.5 MB in the end (delta: 142.6 MB). Free memory was 105.7 MB in the beginning and 167.4 MB in the end (delta: -61.7 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 105229.12 ms. Allocated memory was 312.5 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 167.4 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 286.36 ms. Allocated memory is still 2.4 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.9 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 105076.5ms, OverallIterations: 28, TraceHistogramMax: 8, EmptinessCheckTime: 393.7ms, AutomataDifference: 50687.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11111.5ms, InitialAbstractionConstructionTime: 29.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7658 SDtfs, 10896 SDslu, 1167 SDs, 0 SdLazy, 32726 SolverSat, 5282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38733.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6391 GetRequests, 6322 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 319.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=35392occurred in iteration=26, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5272.2ms AutomataMinimizationTime, 28 MinimizatonAttempts, 47710 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 228 NumberOfFragments, 1094 HoareAnnotationTreeSize, 4 FomulaSimplifications, 779200 FormulaSimplificationTreeSizeReduction, 2682.3ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 5488564 FormulaSimplificationTreeSizeReductionInter, 8414.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1107.7ms SsaConstructionTime, 3322.2ms SatisfiabilityAnalysisTime, 25883.7ms InterpolantComputationTime, 24511 NumberOfCodeBlocks, 24511 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 24476 ConstructedInterpolants, 104 QuantifiedInterpolants, 63667 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7436 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 34994/36338 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599976)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && a0 + 31779 <= 0)) || (((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946) && 4 <= a2) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 31779 <= 0) && 4 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((5 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a0 <= 599946) && 4 <= a2) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((2 == a2 && 0 <= a29 + 127) && a0 + 147 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4 <= a2)) || (((42 + a4 <= 0 && 0 <= a29 + 127) && a2 == 1) && a0 + 31779 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((((5 == a2 && a29 <= 15) && 0 <= a29 + 127) && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976)) || ((89 + a4 <= 0 && a0 <= 599946) && 3 == a2)) || ((((a29 <= 15 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || (89 + a4 <= 0 && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || (((a0 <= 599920 && 89 + a4 <= 0) && 4 <= a2) && a2 <= 4)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 31779 <= 0) && 4 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && a0 <= 599946)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (((42 + a4 <= 0 && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && 4 <= a2) && a0 <= 599976) && a2 <= 4) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:32:51,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01fa796d-2bc3-45c5-8d3f-cd603c49dc2c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...