./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:12:31,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:31,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:31,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:31,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:31,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:31,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:31,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:31,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:31,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:31,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:31,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:31,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:31,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:31,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:31,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:31,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:31,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:31,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:31,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:31,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:31,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:31,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:31,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:31,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:31,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:31,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:31,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:31,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:31,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:31,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:31,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:31,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:31,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:31,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:31,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:31,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:31,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:31,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:31,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:31,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:31,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:12:31,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:31,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:31,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:31,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:31,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:31,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:31,427 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:31,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:31,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:12:31,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:31,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:12:31,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:31,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:12:31,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:12:31,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:12:31,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:12:31,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:31,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:31,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:12:31,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:31,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:31,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:12:31,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:31,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:31,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:12:31,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:12:31,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:31,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:12:31,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:12:31,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:12:31,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:12:31,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:31,435 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_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 [2021-10-28 23:12:31,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:31,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:31,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:31,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:31,794 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:31,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2021-10-28 23:12:31,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/data/c5eac8298/51cf6e149b844eb489a7ae5f841852bb/FLAG2916b0ad3 [2021-10-28 23:12:32,705 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:32,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2021-10-28 23:12:32,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/data/c5eac8298/51cf6e149b844eb489a7ae5f841852bb/FLAG2916b0ad3 [2021-10-28 23:12:32,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/data/c5eac8298/51cf6e149b844eb489a7ae5f841852bb [2021-10-28 23:12:32,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:32,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:32,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:32,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:32,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:32,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:32" (1/1) ... [2021-10-28 23:12:32,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130a92fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:32, skipping insertion in model container [2021-10-28 23:12:32,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:32" (1/1) ... [2021-10-28 23:12:32,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:32,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:33,483 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_33b3019b-8198-49b4-b507-ae1c90533596/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2021-10-28 23:12:33,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:33,537 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:12:33,841 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_33b3019b-8198-49b4-b507-ae1c90533596/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2021-10-28 23:12:33,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:33,879 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:12:33,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33 WrapperNode [2021-10-28 23:12:33,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:33,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:33,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:12:33,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:12:33,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:33,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:34,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:12:34,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:12:34,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:12:34,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:12:34,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:12:34,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:12:34,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:12:34,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (1/1) ... [2021-10-28 23:12:34,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:34,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:34,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:34,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:12:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:12:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:12:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:12:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:12:36,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:36,206 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:12:36,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:36 BoogieIcfgContainer [2021-10-28 23:12:36,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:36,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:12:36,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:12:36,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:12:36,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:12:32" (1/3) ... [2021-10-28 23:12:36,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351abb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:36, skipping insertion in model container [2021-10-28 23:12:36,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:33" (2/3) ... [2021-10-28 23:12:36,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351abb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:36, skipping insertion in model container [2021-10-28 23:12:36,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:36" (3/3) ... [2021-10-28 23:12:36,219 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label08.c [2021-10-28 23:12:36,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:12:36,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:12:36,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:12:36,300 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:12:36,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:12:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-28 23:12:36,350 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:36,350 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:36,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:36,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:36,357 INFO L85 PathProgramCache]: Analyzing trace with hash -576261461, now seen corresponding path program 1 times [2021-10-28 23:12:36,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:36,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794504236] [2021-10-28 23:12:36,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:36,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:36,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:36,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794504236] [2021-10-28 23:12:36,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794504236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:36,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:36,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:36,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354272184] [2021-10-28 23:12:36,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:36,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:36,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:36,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:36,970 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:38,231 INFO L93 Difference]: Finished difference Result 816 states and 1453 transitions. [2021-10-28 23:12:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:38,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2021-10-28 23:12:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:38,259 INFO L225 Difference]: With dead ends: 816 [2021-10-28 23:12:38,260 INFO L226 Difference]: Without dead ends: 450 [2021-10-28 23:12:38,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-10-28 23:12:38,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 448. [2021-10-28 23:12:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 447 states have (on average 1.621923937360179) internal successors, (725), 447 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 725 transitions. [2021-10-28 23:12:38,375 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 725 transitions. Word has length 157 [2021-10-28 23:12:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:38,379 INFO L470 AbstractCegarLoop]: Abstraction has 448 states and 725 transitions. [2021-10-28 23:12:38,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 725 transitions. [2021-10-28 23:12:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-10-28 23:12:38,388 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:38,389 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:12:38,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:12:38,389 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:38,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:38,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1276126245, now seen corresponding path program 1 times [2021-10-28 23:12:38,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:38,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008932266] [2021-10-28 23:12:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:38,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:38,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:38,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008932266] [2021-10-28 23:12:38,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008932266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:38,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:38,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:38,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733801286] [2021-10-28 23:12:38,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:38,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:38,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:38,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:38,565 INFO L87 Difference]: Start difference. First operand 448 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:39,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:39,428 INFO L93 Difference]: Finished difference Result 1318 states and 2139 transitions. [2021-10-28 23:12:39,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:39,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2021-10-28 23:12:39,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:39,435 INFO L225 Difference]: With dead ends: 1318 [2021-10-28 23:12:39,436 INFO L226 Difference]: Without dead ends: 872 [2021-10-28 23:12:39,438 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-10-28 23:12:39,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 868. [2021-10-28 23:12:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5271049596309112) internal successors, (1324), 867 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1324 transitions. [2021-10-28 23:12:39,493 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1324 transitions. Word has length 162 [2021-10-28 23:12:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:39,493 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1324 transitions. [2021-10-28 23:12:39,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1324 transitions. [2021-10-28 23:12:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-28 23:12:39,501 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:39,501 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:39,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:12:39,503 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:39,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:39,514 INFO L85 PathProgramCache]: Analyzing trace with hash 933680492, now seen corresponding path program 1 times [2021-10-28 23:12:39,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:39,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180170257] [2021-10-28 23:12:39,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:39,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:39,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:39,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180170257] [2021-10-28 23:12:39,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180170257] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:39,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:39,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:39,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207194078] [2021-10-28 23:12:39,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:39,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:39,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:39,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:39,635 INFO L87 Difference]: Start difference. First operand 868 states and 1324 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:40,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:40,541 INFO L93 Difference]: Finished difference Result 2566 states and 3931 transitions. [2021-10-28 23:12:40,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:40,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2021-10-28 23:12:40,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:40,552 INFO L225 Difference]: With dead ends: 2566 [2021-10-28 23:12:40,552 INFO L226 Difference]: Without dead ends: 1700 [2021-10-28 23:12:40,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2021-10-28 23:12:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1684. [2021-10-28 23:12:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.4979203802733214) internal successors, (2521), 1683 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2521 transitions. [2021-10-28 23:12:40,600 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2521 transitions. Word has length 165 [2021-10-28 23:12:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:40,600 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2521 transitions. [2021-10-28 23:12:40,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2521 transitions. [2021-10-28 23:12:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-28 23:12:40,605 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:40,606 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:12:40,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:12:40,606 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1632193297, now seen corresponding path program 1 times [2021-10-28 23:12:40,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:40,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556862110] [2021-10-28 23:12:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:40,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:40,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:40,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556862110] [2021-10-28 23:12:40,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556862110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:40,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:40,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:40,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366351855] [2021-10-28 23:12:40,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:40,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:40,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:40,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:40,685 INFO L87 Difference]: Start difference. First operand 1684 states and 2521 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:41,556 INFO L93 Difference]: Finished difference Result 4188 states and 6247 transitions. [2021-10-28 23:12:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:41,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2021-10-28 23:12:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:41,569 INFO L225 Difference]: With dead ends: 4188 [2021-10-28 23:12:41,570 INFO L226 Difference]: Without dead ends: 2506 [2021-10-28 23:12:41,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-10-28 23:12:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2505. [2021-10-28 23:12:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 2504 states have (on average 1.4700479233226837) internal successors, (3681), 2504 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3681 transitions. [2021-10-28 23:12:41,637 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3681 transitions. Word has length 167 [2021-10-28 23:12:41,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:41,638 INFO L470 AbstractCegarLoop]: Abstraction has 2505 states and 3681 transitions. [2021-10-28 23:12:41,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3681 transitions. [2021-10-28 23:12:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-28 23:12:41,644 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:41,644 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:41,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:12:41,645 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:41,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1802100129, now seen corresponding path program 1 times [2021-10-28 23:12:41,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:41,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138859511] [2021-10-28 23:12:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:41,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:41,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:41,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138859511] [2021-10-28 23:12:41,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138859511] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:41,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:41,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:41,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112649] [2021-10-28 23:12:41,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:41,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:41,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:41,807 INFO L87 Difference]: Start difference. First operand 2505 states and 3681 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:42,647 INFO L93 Difference]: Finished difference Result 5007 states and 7359 transitions. [2021-10-28 23:12:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:42,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 172 [2021-10-28 23:12:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:42,662 INFO L225 Difference]: With dead ends: 5007 [2021-10-28 23:12:42,662 INFO L226 Difference]: Without dead ends: 2504 [2021-10-28 23:12:42,666 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:42,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2021-10-28 23:12:42,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2502. [2021-10-28 23:12:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2501 states have (on average 1.3662534986005597) internal successors, (3417), 2501 states have internal predecessors, (3417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3417 transitions. [2021-10-28 23:12:42,740 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3417 transitions. Word has length 172 [2021-10-28 23:12:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:42,742 INFO L470 AbstractCegarLoop]: Abstraction has 2502 states and 3417 transitions. [2021-10-28 23:12:42,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3417 transitions. [2021-10-28 23:12:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-28 23:12:42,748 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:42,748 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-10-28 23:12:42,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:12:42,749 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1335158266, now seen corresponding path program 1 times [2021-10-28 23:12:42,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:42,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246432775] [2021-10-28 23:12:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:42,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:42,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:42,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246432775] [2021-10-28 23:12:42,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246432775] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:42,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:42,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:42,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877299880] [2021-10-28 23:12:42,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:42,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:42,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:42,845 INFO L87 Difference]: Start difference. First operand 2502 states and 3417 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:43,741 INFO L93 Difference]: Finished difference Result 7439 states and 10165 transitions. [2021-10-28 23:12:43,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:43,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-10-28 23:12:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:43,773 INFO L225 Difference]: With dead ends: 7439 [2021-10-28 23:12:43,812 INFO L226 Difference]: Without dead ends: 4939 [2021-10-28 23:12:43,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2021-10-28 23:12:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4126. [2021-10-28 23:12:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4126 states, 4125 states have (on average 1.257939393939394) internal successors, (5189), 4125 states have internal predecessors, (5189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 4126 states and 5189 transitions. [2021-10-28 23:12:43,930 INFO L78 Accepts]: Start accepts. Automaton has 4126 states and 5189 transitions. Word has length 174 [2021-10-28 23:12:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:43,930 INFO L470 AbstractCegarLoop]: Abstraction has 4126 states and 5189 transitions. [2021-10-28 23:12:43,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4126 states and 5189 transitions. [2021-10-28 23:12:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-28 23:12:43,937 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:43,937 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2021-10-28 23:12:43,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:12:43,938 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:43,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:43,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1967830700, now seen corresponding path program 1 times [2021-10-28 23:12:43,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:43,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348006726] [2021-10-28 23:12:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:43,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:12:44,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:44,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348006726] [2021-10-28 23:12:44,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348006726] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:44,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928122201] [2021-10-28 23:12:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:44,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:44,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:44,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:44,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:12:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:44,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:12:44,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-28 23:12:44,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928122201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:44,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:12:44,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:12:44,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099038966] [2021-10-28 23:12:44,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:44,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:44,844 INFO L87 Difference]: Start difference. First operand 4126 states and 5189 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:45,812 INFO L93 Difference]: Finished difference Result 12325 states and 15502 transitions. [2021-10-28 23:12:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:45,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 184 [2021-10-28 23:12:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:45,859 INFO L225 Difference]: With dead ends: 12325 [2021-10-28 23:12:45,859 INFO L226 Difference]: Without dead ends: 8201 [2021-10-28 23:12:45,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:45,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2021-10-28 23:12:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 8200. [2021-10-28 23:12:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8200 states, 8199 states have (on average 1.2261251372118551) internal successors, (10053), 8199 states have internal predecessors, (10053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 10053 transitions. [2021-10-28 23:12:46,073 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 10053 transitions. Word has length 184 [2021-10-28 23:12:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:46,073 INFO L470 AbstractCegarLoop]: Abstraction has 8200 states and 10053 transitions. [2021-10-28 23:12:46,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 10053 transitions. [2021-10-28 23:12:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-28 23:12:46,085 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:46,086 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:46,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:46,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 23:12:46,310 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash -794235702, now seen corresponding path program 1 times [2021-10-28 23:12:46,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:46,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605427337] [2021-10-28 23:12:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:46,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:46,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:46,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605427337] [2021-10-28 23:12:46,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605427337] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:46,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:46,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:46,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910706418] [2021-10-28 23:12:46,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:46,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:46,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:46,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:46,463 INFO L87 Difference]: Start difference. First operand 8200 states and 10053 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:47,450 INFO L93 Difference]: Finished difference Result 20881 states and 25555 transitions. [2021-10-28 23:12:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:47,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 206 [2021-10-28 23:12:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:47,514 INFO L225 Difference]: With dead ends: 20881 [2021-10-28 23:12:47,515 INFO L226 Difference]: Without dead ends: 12683 [2021-10-28 23:12:47,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:47,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12683 states. [2021-10-28 23:12:47,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12683 to 11448. [2021-10-28 23:12:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11448 states, 11447 states have (on average 1.1996156198130514) internal successors, (13732), 11447 states have internal predecessors, (13732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11448 states to 11448 states and 13732 transitions. [2021-10-28 23:12:47,861 INFO L78 Accepts]: Start accepts. Automaton has 11448 states and 13732 transitions. Word has length 206 [2021-10-28 23:12:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:47,862 INFO L470 AbstractCegarLoop]: Abstraction has 11448 states and 13732 transitions. [2021-10-28 23:12:47,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11448 states and 13732 transitions. [2021-10-28 23:12:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-10-28 23:12:47,879 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:47,880 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:12:47,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:12:47,880 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:47,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:47,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1532481883, now seen corresponding path program 1 times [2021-10-28 23:12:47,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:47,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028668921] [2021-10-28 23:12:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:47,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:48,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:48,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028668921] [2021-10-28 23:12:48,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028668921] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:48,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:48,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:48,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130674346] [2021-10-28 23:12:48,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:12:48,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:48,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:12:48,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:48,045 INFO L87 Difference]: Start difference. First operand 11448 states and 13732 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:49,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:49,475 INFO L93 Difference]: Finished difference Result 23728 states and 28488 transitions. [2021-10-28 23:12:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:12:49,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2021-10-28 23:12:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:49,499 INFO L225 Difference]: With dead ends: 23728 [2021-10-28 23:12:49,499 INFO L226 Difference]: Without dead ends: 12282 [2021-10-28 23:12:49,511 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:12:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12282 states. [2021-10-28 23:12:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12282 to 11245. [2021-10-28 23:12:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11245 states, 11244 states have (on average 1.1959267164710068) internal successors, (13447), 11244 states have internal predecessors, (13447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11245 states to 11245 states and 13447 transitions. [2021-10-28 23:12:49,793 INFO L78 Accepts]: Start accepts. Automaton has 11245 states and 13447 transitions. Word has length 222 [2021-10-28 23:12:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:49,793 INFO L470 AbstractCegarLoop]: Abstraction has 11245 states and 13447 transitions. [2021-10-28 23:12:49,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11245 states and 13447 transitions. [2021-10-28 23:12:49,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-10-28 23:12:49,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:49,810 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:12:49,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:12:49,811 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:49,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:49,811 INFO L85 PathProgramCache]: Analyzing trace with hash 68415504, now seen corresponding path program 1 times [2021-10-28 23:12:49,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:49,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895706542] [2021-10-28 23:12:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:49,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-28 23:12:49,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:49,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895706542] [2021-10-28 23:12:49,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895706542] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:49,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614666997] [2021-10-28 23:12:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:49,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:49,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:49,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:49,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:12:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:50,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:12:50,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:12:50,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614666997] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:50,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:12:50,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:12:50,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24120259] [2021-10-28 23:12:50,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:50,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:50,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:50,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:50,626 INFO L87 Difference]: Start difference. First operand 11245 states and 13447 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:51,644 INFO L93 Difference]: Finished difference Result 30018 states and 35867 transitions. [2021-10-28 23:12:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:51,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 229 [2021-10-28 23:12:51,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:51,680 INFO L225 Difference]: With dead ends: 30018 [2021-10-28 23:12:51,680 INFO L226 Difference]: Without dead ends: 18775 [2021-10-28 23:12:51,694 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18775 states. [2021-10-28 23:12:52,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18775 to 17345. [2021-10-28 23:12:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17345 states, 17344 states have (on average 1.1772947416974169) internal successors, (20419), 17344 states have internal predecessors, (20419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17345 states to 17345 states and 20419 transitions. [2021-10-28 23:12:52,085 INFO L78 Accepts]: Start accepts. Automaton has 17345 states and 20419 transitions. Word has length 229 [2021-10-28 23:12:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:52,085 INFO L470 AbstractCegarLoop]: Abstraction has 17345 states and 20419 transitions. [2021-10-28 23:12:52,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 17345 states and 20419 transitions. [2021-10-28 23:12:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-10-28 23:12:52,114 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:52,115 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:12:52,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:52,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:12:52,330 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1712858039, now seen corresponding path program 1 times [2021-10-28 23:12:52,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:52,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607434099] [2021-10-28 23:12:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:52,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-28 23:12:52,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:52,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607434099] [2021-10-28 23:12:52,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607434099] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:52,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330438743] [2021-10-28 23:12:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:52,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:52,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:12:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:52,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:12:52,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-28 23:12:53,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330438743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:53,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:12:53,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:12:53,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323510413] [2021-10-28 23:12:53,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:53,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:53,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:53,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:53,493 INFO L87 Difference]: Start difference. First operand 17345 states and 20419 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:54,283 INFO L93 Difference]: Finished difference Result 35306 states and 41479 transitions. [2021-10-28 23:12:54,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:54,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 249 [2021-10-28 23:12:54,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:54,384 INFO L225 Difference]: With dead ends: 35306 [2021-10-28 23:12:54,385 INFO L226 Difference]: Without dead ends: 17963 [2021-10-28 23:12:54,402 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17963 states. [2021-10-28 23:12:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17963 to 17345. [2021-10-28 23:12:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17345 states, 17344 states have (on average 1.149331180811808) internal successors, (19934), 17344 states have internal predecessors, (19934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17345 states to 17345 states and 19934 transitions. [2021-10-28 23:12:54,633 INFO L78 Accepts]: Start accepts. Automaton has 17345 states and 19934 transitions. Word has length 249 [2021-10-28 23:12:54,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:54,634 INFO L470 AbstractCegarLoop]: Abstraction has 17345 states and 19934 transitions. [2021-10-28 23:12:54,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17345 states and 19934 transitions. [2021-10-28 23:12:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-10-28 23:12:54,655 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:54,655 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:54,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:54,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:54,869 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:54,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:54,870 INFO L85 PathProgramCache]: Analyzing trace with hash -455035159, now seen corresponding path program 1 times [2021-10-28 23:12:54,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:54,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910913939] [2021-10-28 23:12:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:54,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 99 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:12:55,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:55,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910913939] [2021-10-28 23:12:55,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910913939] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:12:55,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657877939] [2021-10-28 23:12:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:55,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:12:55,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:55,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:12:55,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:12:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:55,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:12:55,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:12:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-28 23:12:56,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657877939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:56,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:12:56,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:12:56,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895425305] [2021-10-28 23:12:56,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:56,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:56,047 INFO L87 Difference]: Start difference. First operand 17345 states and 19934 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:57,065 INFO L93 Difference]: Finished difference Result 34703 states and 39895 transitions. [2021-10-28 23:12:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:57,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 257 [2021-10-28 23:12:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:57,095 INFO L225 Difference]: With dead ends: 34703 [2021-10-28 23:12:57,095 INFO L226 Difference]: Without dead ends: 17360 [2021-10-28 23:12:57,107 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:12:57,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17360 states. [2021-10-28 23:12:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17360 to 17345. [2021-10-28 23:12:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17345 states, 17344 states have (on average 1.1448916051660516) internal successors, (19857), 17344 states have internal predecessors, (19857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17345 states to 17345 states and 19857 transitions. [2021-10-28 23:12:57,405 INFO L78 Accepts]: Start accepts. Automaton has 17345 states and 19857 transitions. Word has length 257 [2021-10-28 23:12:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:57,406 INFO L470 AbstractCegarLoop]: Abstraction has 17345 states and 19857 transitions. [2021-10-28 23:12:57,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 17345 states and 19857 transitions. [2021-10-28 23:12:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-10-28 23:12:57,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:57,449 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-10-28 23:12:57,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:12:57,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 23:12:57,677 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:57,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1219473828, now seen corresponding path program 1 times [2021-10-28 23:12:57,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:57,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371207844] [2021-10-28 23:12:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:57,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-10-28 23:12:57,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:57,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371207844] [2021-10-28 23:12:57,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371207844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:57,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:57,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:12:57,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666487458] [2021-10-28 23:12:57,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:57,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:57,953 INFO L87 Difference]: Start difference. First operand 17345 states and 19857 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:58,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:58,890 INFO L93 Difference]: Finished difference Result 33245 states and 38014 transitions. [2021-10-28 23:12:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:58,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 420 [2021-10-28 23:12:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:58,928 INFO L225 Difference]: With dead ends: 33245 [2021-10-28 23:12:58,935 INFO L226 Difference]: Without dead ends: 15902 [2021-10-28 23:12:58,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15902 states. [2021-10-28 23:12:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15902 to 15292. [2021-10-28 23:12:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15292 states, 15291 states have (on average 1.1143156104898306) internal successors, (17039), 15291 states have internal predecessors, (17039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15292 states to 15292 states and 17039 transitions. [2021-10-28 23:12:59,142 INFO L78 Accepts]: Start accepts. Automaton has 15292 states and 17039 transitions. Word has length 420 [2021-10-28 23:12:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:59,143 INFO L470 AbstractCegarLoop]: Abstraction has 15292 states and 17039 transitions. [2021-10-28 23:12:59,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 15292 states and 17039 transitions. [2021-10-28 23:12:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-10-28 23:12:59,224 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:59,224 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:12:59,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:12:59,225 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:59,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1322868857, now seen corresponding path program 1 times [2021-10-28 23:12:59,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:59,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798632700] [2021-10-28 23:12:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:59,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-10-28 23:12:59,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:59,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798632700] [2021-10-28 23:12:59,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798632700] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:59,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:59,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:59,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959412916] [2021-10-28 23:12:59,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:12:59,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:59,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:12:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:59,465 INFO L87 Difference]: Start difference. First operand 15292 states and 17039 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 2 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:59,902 INFO L93 Difference]: Finished difference Result 29745 states and 33126 transitions. [2021-10-28 23:12:59,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:12:59,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 2 states have internal predecessors, (303), 0 states have call successors, (0), 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 476 [2021-10-28 23:12:59,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:59,903 INFO L225 Difference]: With dead ends: 29745 [2021-10-28 23:12:59,903 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:12:59,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:12:59,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:12:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:12:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:12:59,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 476 [2021-10-28 23:12:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:59,914 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:12:59,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 2 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:12:59,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:12:59,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:59,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:12:59,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:12:59,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:00,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:00,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:00,740 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,741 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,742 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,743 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:13:00,744 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,745 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,746 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,747 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,748 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:13:00,749 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:13:00,750 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,751 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,752 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,753 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,753 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,753 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:13:00,755 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1516) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,756 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,757 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:13:00,758 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:13:00,759 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:13:00,760 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,761 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,762 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a12~0 1)) (.cse8 (= ~a26~0 1)) (.cse9 (<= ~a3~0 1)) (.cse3 (= ~a6~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse2 (= ~a11~0 1)) (.cse10 (<= ~a12~0 0)) (.cse4 (= ~a27~0 1)) (.cse7 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse5 .cse4 .cse7) (and .cse0 .cse3 .cse5 .cse10 .cse4) (and .cse0 (<= 1 ~a3~0) .cse5 .cse10 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse0 .cse3 .cse5 .cse10 .cse6) (and .cse0 .cse2 .cse3 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse0 .cse9 .cse3 .cse5 .cse4) (and .cse0 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse2 .cse10 .cse4 .cse7))) [2021-10-28 23:13:00,762 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,762 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,762 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,762 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 23:13:00,763 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 23:13:00,763 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,763 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,763 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,763 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 23:13:00,763 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 23:13:00,764 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,765 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,766 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,767 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:13:00,767 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:13:00,767 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,767 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a12~0 1)) (.cse8 (= ~a26~0 1)) (.cse9 (<= ~a3~0 1)) (.cse3 (= ~a6~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse2 (= ~a11~0 1)) (.cse10 (<= ~a12~0 0)) (.cse4 (= ~a27~0 1)) (.cse7 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse5 .cse4 .cse7) (and .cse0 .cse3 .cse5 .cse10 .cse4) (and .cse0 (<= 1 ~a3~0) .cse5 .cse10 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse0 .cse3 .cse5 .cse10 .cse6) (and .cse0 .cse2 .cse3 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse0 .cse9 .cse3 .cse5 .cse4) (and .cse0 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse2 .cse10 .cse4 .cse7))) [2021-10-28 23:13:00,767 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,767 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,768 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 23:13:00,770 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,771 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 23:13:00,772 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,773 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 23:13:00,774 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,775 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,776 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,777 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,778 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,779 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 23:13:00,780 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:13:00,780 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:13:00,780 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,780 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,780 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:13:00,783 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:00,784 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:13:00,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:13:00 BoogieIcfgContainer [2021-10-28 23:13:00,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:13:00,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:13:00,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:13:00,807 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:13:00,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:36" (3/4) ... [2021-10-28 23:13:00,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:13:00,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:13:00,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:13:00,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:13:00,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:13:01,072 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:13:01,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:13:01,075 INFO L168 Benchmark]: Toolchain (without parser) took 28310.28 ms. Allocated memory was 98.6 MB in the beginning and 713.0 MB in the end (delta: 614.5 MB). Free memory was 72.7 MB in the beginning and 202.4 MB in the end (delta: -129.7 MB). Peak memory consumption was 487.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,075 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:01,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.74 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 61.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.16 ms. Allocated memory is still 98.6 MB. Free memory was 61.7 MB in the beginning and 47.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,078 INFO L168 Benchmark]: Boogie Preprocessor took 165.29 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 56.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,078 INFO L168 Benchmark]: RCFGBuilder took 1993.46 ms. Allocated memory was 98.6 MB in the beginning and 157.3 MB in the end (delta: 58.7 MB). Free memory was 56.0 MB in the beginning and 97.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,078 INFO L168 Benchmark]: TraceAbstraction took 24595.00 ms. Allocated memory was 157.3 MB in the beginning and 713.0 MB in the end (delta: 555.7 MB). Free memory was 97.4 MB in the beginning and 239.5 MB in the end (delta: -142.1 MB). Peak memory consumption was 412.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,079 INFO L168 Benchmark]: Witness Printer took 266.04 ms. Allocated memory is still 713.0 MB. Free memory was 239.5 MB in the beginning and 202.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:01,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1115.74 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 61.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 168.16 ms. Allocated memory is still 98.6 MB. Free memory was 61.7 MB in the beginning and 47.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.29 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 56.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1993.46 ms. Allocated memory was 98.6 MB in the beginning and 157.3 MB in the end (delta: 58.7 MB). Free memory was 56.0 MB in the beginning and 97.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24595.00 ms. Allocated memory was 157.3 MB in the beginning and 713.0 MB in the end (delta: 555.7 MB). Free memory was 97.4 MB in the beginning and 239.5 MB in the end (delta: -142.1 MB). Peak memory consumption was 412.6 MB. Max. memory is 16.1 GB. * Witness Printer took 266.04 ms. Allocated memory is still 713.0 MB. Free memory was 239.5 MB in the beginning and 202.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1516]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2799 SDtfs, 2726 SDslu, 326 SDs, 0 SdLazy, 8598 SolverSat, 1836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17345occurred in iteration=10, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 5784 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 131 NumberOfFragments, 603 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3060 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 510 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 4159 NumberOfCodeBlocks, 4159 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4141 ConstructedInterpolants, 0 QuantifiedInterpolants, 8333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1952 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 2165/2201 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) || ((((a5 == 1 && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && 1 <= a3) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) || ((((a5 == 1 && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && 1 <= a3) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:13:01,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b3019b-8198-49b4-b507-ae1c90533596/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...