./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.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_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/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_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/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_354b2aea-1f2c-47d9-a0ed-9175975f3640/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 536acb696ed94b995033527813aeda4f29ece00fad0635ae3527f772205996b1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:41:07,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:41:07,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:41:07,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:41:07,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:41:07,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:41:07,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:41:07,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:41:07,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:41:07,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:41:07,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:41:07,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:41:07,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:41:07,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:41:07,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:41:07,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:41:07,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:41:07,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:41:07,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:41:07,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:41:07,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:41:07,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:41:07,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:41:07,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:41:07,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:41:07,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:41:07,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:41:07,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:41:07,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:41:07,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:41:07,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:41:07,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:41:07,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:41:07,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:41:07,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:41:07,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:41:07,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:41:07,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:41:07,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:41:07,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:41:07,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:41:07,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:41:07,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:41:07,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:41:07,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:41:07,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:41:07,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:41:07,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:41:07,325 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:41:07,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:41:07,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:41:07,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:41:07,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:41:07,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:41:07,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:41:07,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:41:07,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:41:07,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:41:07,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:41:07,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:41:07,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:41:07,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:41:07,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:41:07,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:41:07,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:41:07,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:41:07,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:41:07,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:41:07,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:41:07,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:41:07,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:41:07,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:41:07,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:41:07,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:41:07,344 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_354b2aea-1f2c-47d9-a0ed-9175975f3640/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536acb696ed94b995033527813aeda4f29ece00fad0635ae3527f772205996b1 [2021-10-28 23:41:07,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:41:07,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:41:07,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:41:07,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:41:07,675 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:41:07,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2021-10-28 23:41:07,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/data/89deb3979/8f0b2fc876144a8a8564684f82344667/FLAG2fecc76c9 [2021-10-28 23:41:08,705 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:41:08,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2021-10-28 23:41:08,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/data/89deb3979/8f0b2fc876144a8a8564684f82344667/FLAG2fecc76c9 [2021-10-28 23:41:09,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/data/89deb3979/8f0b2fc876144a8a8564684f82344667 [2021-10-28 23:41:09,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:41:09,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:41:09,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:09,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:41:09,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:41:09,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:09" (1/1) ... [2021-10-28 23:41:09,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bf0e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:09, skipping insertion in model container [2021-10-28 23:41:09,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:09" (1/1) ... [2021-10-28 23:41:09,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:41:09,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:41:09,684 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_354b2aea-1f2c-47d9-a0ed-9175975f3640/sv-benchmarks/c/eca-rers2012/Problem15_label20.c[5247,5260] [2021-10-28 23:41:10,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:10,388 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:41:10,443 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_354b2aea-1f2c-47d9-a0ed-9175975f3640/sv-benchmarks/c/eca-rers2012/Problem15_label20.c[5247,5260] [2021-10-28 23:41:10,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:10,775 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:41:10,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10 WrapperNode [2021-10-28 23:41:10,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:10,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:10,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:41:10,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:41:10,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:10,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:11,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:41:11,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:41:11,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:41:11,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:41:11,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:41:11,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:41:11,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:41:11,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (1/1) ... [2021-10-28 23:41:11,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:41:11,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:11,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:11,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:41:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:41:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:41:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:41:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:41:15,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:41:15,294 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 23:41:15,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:15 BoogieIcfgContainer [2021-10-28 23:41:15,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:41:15,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:41:15,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:41:15,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:41:15,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:41:09" (1/3) ... [2021-10-28 23:41:15,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58563841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:41:15, skipping insertion in model container [2021-10-28 23:41:15,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:10" (2/3) ... [2021-10-28 23:41:15,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58563841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:41:15, skipping insertion in model container [2021-10-28 23:41:15,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:15" (3/3) ... [2021-10-28 23:41:15,310 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label20.c [2021-10-28 23:41:15,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:41:15,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:41:15,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:41:15,414 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 23:41:15,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:41:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-28 23:41:15,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:15,467 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] [2021-10-28 23:41:15,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:15,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:15,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2021-10-28 23:41:15,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:15,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084990980] [2021-10-28 23:41:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:15,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:15,802 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 23:41:15,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:15,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084990980] [2021-10-28 23:41:15,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084990980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:15,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:15,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:41:15,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303786203] [2021-10-28 23:41:15,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:15,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:15,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:15,846 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 23:41:19,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:19,612 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-10-28 23:41:19,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:19,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2021-10-28 23:41:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:19,639 INFO L225 Difference]: With dead ends: 1154 [2021-10-28 23:41:19,639 INFO L226 Difference]: Without dead ends: 665 [2021-10-28 23:41:19,646 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 23:41:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-10-28 23:41:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-10-28 23:41:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 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 23:41:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-10-28 23:41:19,754 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 42 [2021-10-28 23:41:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:19,762 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-10-28 23:41:19,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 23:41:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-10-28 23:41:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-28 23:41:19,769 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:19,769 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 23:41:19,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:41:19,770 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:19,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1233355541, now seen corresponding path program 1 times [2021-10-28 23:41:19,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:19,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922741663] [2021-10-28 23:41:19,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:19,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:20,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:20,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922741663] [2021-10-28 23:41:20,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922741663] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:20,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:20,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:41:20,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563052109] [2021-10-28 23:41:20,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:20,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:20,024 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 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 23:41:22,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:22,373 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-10-28 23:41:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:22,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2021-10-28 23:41:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:22,384 INFO L225 Difference]: With dead ends: 1624 [2021-10-28 23:41:22,384 INFO L226 Difference]: Without dead ends: 963 [2021-10-28 23:41:22,389 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 23:41:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-28 23:41:22,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-10-28 23:41:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 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 23:41:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-10-28 23:41:22,434 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 107 [2021-10-28 23:41:22,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:22,435 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-10-28 23:41:22,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 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 23:41:22,436 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-10-28 23:41:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-10-28 23:41:22,442 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:22,442 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:22,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:41:22,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:22,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:22,444 INFO L85 PathProgramCache]: Analyzing trace with hash 443347812, now seen corresponding path program 1 times [2021-10-28 23:41:22,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:22,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533584920] [2021-10-28 23:41:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:22,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:22,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:22,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533584920] [2021-10-28 23:41:22,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533584920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:22,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:22,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:41:22,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876133641] [2021-10-28 23:41:22,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:22,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:22,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:22,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:22,583 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 23:41:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:25,164 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-10-28 23:41:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:25,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2021-10-28 23:41:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:25,178 INFO L225 Difference]: With dead ends: 2229 [2021-10-28 23:41:25,178 INFO L226 Difference]: Without dead ends: 1567 [2021-10-28 23:41:25,180 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 23:41:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-10-28 23:41:25,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-10-28 23:41:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 0 states have call successors, (0), 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 23:41:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2021-10-28 23:41:25,238 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 112 [2021-10-28 23:41:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:25,241 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2021-10-28 23:41:25,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 23:41:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2021-10-28 23:41:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-28 23:41:25,255 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:25,255 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:25,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:41:25,256 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:25,259 INFO L85 PathProgramCache]: Analyzing trace with hash 112945190, now seen corresponding path program 1 times [2021-10-28 23:41:25,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:25,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544370929] [2021-10-28 23:41:25,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:25,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:25,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:25,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544370929] [2021-10-28 23:41:25,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544370929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:25,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:25,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:41:25,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228734543] [2021-10-28 23:41:25,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:41:25,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:25,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:41:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:41:25,495 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 23:41:31,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:31,865 INFO L93 Difference]: Finished difference Result 4670 states and 6174 transitions. [2021-10-28 23:41:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:41:31,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-10-28 23:41:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:31,892 INFO L225 Difference]: With dead ends: 4670 [2021-10-28 23:41:31,892 INFO L226 Difference]: Without dead ends: 3406 [2021-10-28 23:41:31,896 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 23:41:31,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-10-28 23:41:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2021-10-28 23:41:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2372781065088758) internal successors, (4182), 3380 states have internal predecessors, (4182), 0 states have call successors, (0), 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 23:41:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4182 transitions. [2021-10-28 23:41:32,002 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4182 transitions. Word has length 133 [2021-10-28 23:41:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:32,004 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4182 transitions. [2021-10-28 23:41:32,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 23:41:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4182 transitions. [2021-10-28 23:41:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-28 23:41:32,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:32,010 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-10-28 23:41:32,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:41:32,010 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:32,011 INFO L85 PathProgramCache]: Analyzing trace with hash 649130362, now seen corresponding path program 1 times [2021-10-28 23:41:32,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:32,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004378265] [2021-10-28 23:41:32,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:32,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 23:41:32,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:32,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004378265] [2021-10-28 23:41:32,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004378265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:32,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:32,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:41:32,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672381165] [2021-10-28 23:41:32,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:32,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:32,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:32,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:32,206 INFO L87 Difference]: Start difference. First operand 3381 states and 4182 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 23:41:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:34,256 INFO L93 Difference]: Finished difference Result 8563 states and 10760 transitions. [2021-10-28 23:41:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:34,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 199 [2021-10-28 23:41:34,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:34,294 INFO L225 Difference]: With dead ends: 8563 [2021-10-28 23:41:34,295 INFO L226 Difference]: Without dead ends: 5483 [2021-10-28 23:41:34,301 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 23:41:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-10-28 23:41:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-10-28 23:41:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1694358225305825) internal successors, (6405), 5477 states have internal predecessors, (6405), 0 states have call successors, (0), 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 23:41:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6405 transitions. [2021-10-28 23:41:34,477 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6405 transitions. Word has length 199 [2021-10-28 23:41:34,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:34,478 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6405 transitions. [2021-10-28 23:41:34,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 23:41:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6405 transitions. [2021-10-28 23:41:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-28 23:41:34,484 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:34,484 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:34,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:41:34,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:34,486 INFO L85 PathProgramCache]: Analyzing trace with hash -448210480, now seen corresponding path program 1 times [2021-10-28 23:41:34,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:34,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385201973] [2021-10-28 23:41:34,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:34,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:34,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:34,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385201973] [2021-10-28 23:41:34,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385201973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:34,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:34,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:41:34,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148718089] [2021-10-28 23:41:34,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:34,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:34,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:34,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:34,793 INFO L87 Difference]: Start difference. First operand 5478 states and 6405 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 23:41:36,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:36,791 INFO L93 Difference]: Finished difference Result 10655 states and 12497 transitions. [2021-10-28 23:41:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:36,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 200 [2021-10-28 23:41:36,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:36,821 INFO L225 Difference]: With dead ends: 10655 [2021-10-28 23:41:36,821 INFO L226 Difference]: Without dead ends: 5478 [2021-10-28 23:41:36,828 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 23:41:36,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-10-28 23:41:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-10-28 23:41:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 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 23:41:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-10-28 23:41:36,976 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 200 [2021-10-28 23:41:36,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:36,977 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-10-28 23:41:36,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 23:41:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-10-28 23:41:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 23:41:36,981 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:36,982 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:36,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:41:36,982 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:36,983 INFO L85 PathProgramCache]: Analyzing trace with hash -883201789, now seen corresponding path program 1 times [2021-10-28 23:41:36,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:36,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262466865] [2021-10-28 23:41:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:36,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:37,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:37,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262466865] [2021-10-28 23:41:37,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262466865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:37,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:37,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:41:37,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229904784] [2021-10-28 23:41:37,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:41:37,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:37,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:41:37,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:41:37,138 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 23:41:41,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:41,723 INFO L93 Difference]: Finished difference Result 12184 states and 14319 transitions. [2021-10-28 23:41:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:41:41,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2021-10-28 23:41:41,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:41,773 INFO L225 Difference]: With dead ends: 12184 [2021-10-28 23:41:41,773 INFO L226 Difference]: Without dead ends: 7007 [2021-10-28 23:41:41,781 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 23:41:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-10-28 23:41:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 5786. [2021-10-28 23:41:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 5785 states have (on average 1.1799481417458946) internal successors, (6826), 5785 states have internal predecessors, (6826), 0 states have call successors, (0), 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 23:41:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 6826 transitions. [2021-10-28 23:41:41,962 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 6826 transitions. Word has length 218 [2021-10-28 23:41:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:41,963 INFO L470 AbstractCegarLoop]: Abstraction has 5786 states and 6826 transitions. [2021-10-28 23:41:41,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 23:41:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 6826 transitions. [2021-10-28 23:41:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-10-28 23:41:41,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:41,969 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:41,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:41:41,970 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:42,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:42,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1474607314, now seen corresponding path program 1 times [2021-10-28 23:41:42,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:42,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50204678] [2021-10-28 23:41:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:42,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:42,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:42,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50204678] [2021-10-28 23:41:42,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50204678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:42,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:42,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:41:42,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273303666] [2021-10-28 23:41:42,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:41:42,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:42,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:41:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:41:42,288 INFO L87 Difference]: Start difference. First operand 5786 states and 6826 transitions. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 23:41:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:46,536 INFO L93 Difference]: Finished difference Result 13094 states and 15499 transitions. [2021-10-28 23:41:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:41:46,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 275 [2021-10-28 23:41:46,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:46,574 INFO L225 Difference]: With dead ends: 13094 [2021-10-28 23:41:46,575 INFO L226 Difference]: Without dead ends: 7609 [2021-10-28 23:41:46,582 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 23:41:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2021-10-28 23:41:46,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 6086. [2021-10-28 23:41:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6086 states, 6085 states have (on average 1.1750205423171733) internal successors, (7150), 6085 states have internal predecessors, (7150), 0 states have call successors, (0), 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 23:41:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 7150 transitions. [2021-10-28 23:41:46,765 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 7150 transitions. Word has length 275 [2021-10-28 23:41:46,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:46,766 INFO L470 AbstractCegarLoop]: Abstraction has 6086 states and 7150 transitions. [2021-10-28 23:41:46,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 23:41:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 7150 transitions. [2021-10-28 23:41:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-10-28 23:41:46,774 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:46,774 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:41:46,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:41:46,775 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1319764906, now seen corresponding path program 1 times [2021-10-28 23:41:46,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:46,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770807653] [2021-10-28 23:41:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:46,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 23:41:46,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:46,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770807653] [2021-10-28 23:41:46,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770807653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:46,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:46,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:41:46,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127239855] [2021-10-28 23:41:46,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:46,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:46,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:46,972 INFO L87 Difference]: Start difference. First operand 6086 states and 7150 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 23:41:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:49,429 INFO L93 Difference]: Finished difference Result 14273 states and 17120 transitions. [2021-10-28 23:41:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:49,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 329 [2021-10-28 23:41:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:49,447 INFO L225 Difference]: With dead ends: 14273 [2021-10-28 23:41:49,448 INFO L226 Difference]: Without dead ends: 8488 [2021-10-28 23:41:49,454 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 23:41:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8488 states. [2021-10-28 23:41:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8488 to 8484. [2021-10-28 23:41:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8484 states, 8483 states have (on average 1.1478250618884829) internal successors, (9737), 8483 states have internal predecessors, (9737), 0 states have call successors, (0), 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 23:41:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8484 states to 8484 states and 9737 transitions. [2021-10-28 23:41:49,703 INFO L78 Accepts]: Start accepts. Automaton has 8484 states and 9737 transitions. Word has length 329 [2021-10-28 23:41:49,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:49,704 INFO L470 AbstractCegarLoop]: Abstraction has 8484 states and 9737 transitions. [2021-10-28 23:41:49,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 23:41:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8484 states and 9737 transitions. [2021-10-28 23:41:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-10-28 23:41:49,715 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:49,716 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:41:49,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:41:49,717 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:49,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:49,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1620854953, now seen corresponding path program 1 times [2021-10-28 23:41:49,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:49,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84541553] [2021-10-28 23:41:49,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:49,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 23:41:49,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:49,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84541553] [2021-10-28 23:41:49,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84541553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:49,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:49,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:41:49,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376804014] [2021-10-28 23:41:49,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:41:49,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:49,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:41:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:41:49,958 INFO L87 Difference]: Start difference. First operand 8484 states and 9737 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:52,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:41:52,249 INFO L93 Difference]: Finished difference Result 19663 states and 22941 transitions. [2021-10-28 23:41:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:41:52,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2021-10-28 23:41:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:41:52,275 INFO L225 Difference]: With dead ends: 19663 [2021-10-28 23:41:52,275 INFO L226 Difference]: Without dead ends: 11480 [2021-10-28 23:41:52,336 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 23:41:52,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11480 states. [2021-10-28 23:41:52,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11480 to 10583. [2021-10-28 23:41:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10583 states, 10582 states have (on average 1.1332451332451332) internal successors, (11992), 10582 states have internal predecessors, (11992), 0 states have call successors, (0), 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 23:41:52,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10583 states to 10583 states and 11992 transitions. [2021-10-28 23:41:52,545 INFO L78 Accepts]: Start accepts. Automaton has 10583 states and 11992 transitions. Word has length 388 [2021-10-28 23:41:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:41:52,546 INFO L470 AbstractCegarLoop]: Abstraction has 10583 states and 11992 transitions. [2021-10-28 23:41:52,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10583 states and 11992 transitions. [2021-10-28 23:41:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-10-28 23:41:52,557 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:41:52,558 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:41:52,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:41:52,559 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:41:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash -944442415, now seen corresponding path program 1 times [2021-10-28 23:41:52,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:52,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485227908] [2021-10-28 23:41:52,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:52,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:52,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:52,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485227908] [2021-10-28 23:41:52,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485227908] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:41:52,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115842668] [2021-10-28 23:41:52,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:52,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:41:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:52,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:41:52,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:41:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:53,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:41:53,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:41:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 23:41:55,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115842668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:55,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:41:55,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:41:55,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761818324] [2021-10-28 23:41:55,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:41:55,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:55,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:41:55,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:41:55,870 INFO L87 Difference]: Start difference. First operand 10583 states and 11992 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:00,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:00,818 INFO L93 Difference]: Finished difference Result 32858 states and 37474 transitions. [2021-10-28 23:42:00,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:42:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 389 [2021-10-28 23:42:00,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:00,872 INFO L225 Difference]: With dead ends: 32858 [2021-10-28 23:42:00,872 INFO L226 Difference]: Without dead ends: 19586 [2021-10-28 23:42:00,884 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:42:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19586 states. [2021-10-28 23:42:01,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19586 to 18984. [2021-10-28 23:42:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18984 states, 18983 states have (on average 1.1150503081704684) internal successors, (21167), 18983 states have internal predecessors, (21167), 0 states have call successors, (0), 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 23:42:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18984 states to 18984 states and 21167 transitions. [2021-10-28 23:42:01,236 INFO L78 Accepts]: Start accepts. Automaton has 18984 states and 21167 transitions. Word has length 389 [2021-10-28 23:42:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:01,237 INFO L470 AbstractCegarLoop]: Abstraction has 18984 states and 21167 transitions. [2021-10-28 23:42:01,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 18984 states and 21167 transitions. [2021-10-28 23:42:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-10-28 23:42:01,248 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:01,249 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:01,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:42:01,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 23:42:01,471 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash -885413578, now seen corresponding path program 1 times [2021-10-28 23:42:01,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:01,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110078368] [2021-10-28 23:42:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:01,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-28 23:42:01,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:01,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110078368] [2021-10-28 23:42:01,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110078368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:01,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:01,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:01,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504810644] [2021-10-28 23:42:01,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:01,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:01,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:01,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:01,721 INFO L87 Difference]: Start difference. First operand 18984 states and 21167 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:04,494 INFO L93 Difference]: Finished difference Result 37973 states and 42348 transitions. [2021-10-28 23:42:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:04,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 397 [2021-10-28 23:42:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:04,541 INFO L225 Difference]: With dead ends: 37973 [2021-10-28 23:42:04,541 INFO L226 Difference]: Without dead ends: 19290 [2021-10-28 23:42:04,560 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 23:42:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19290 states. [2021-10-28 23:42:04,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19290 to 14186. [2021-10-28 23:42:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14186 states, 14185 states have (on average 1.112513218188227) internal successors, (15781), 14185 states have internal predecessors, (15781), 0 states have call successors, (0), 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 23:42:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14186 states to 14186 states and 15781 transitions. [2021-10-28 23:42:04,832 INFO L78 Accepts]: Start accepts. Automaton has 14186 states and 15781 transitions. Word has length 397 [2021-10-28 23:42:04,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:04,833 INFO L470 AbstractCegarLoop]: Abstraction has 14186 states and 15781 transitions. [2021-10-28 23:42:04,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:04,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14186 states and 15781 transitions. [2021-10-28 23:42:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-10-28 23:42:04,843 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:04,845 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:04,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:42:04,846 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:04,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1150338754, now seen corresponding path program 1 times [2021-10-28 23:42:04,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:04,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214716990] [2021-10-28 23:42:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:04,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:42:05,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:05,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214716990] [2021-10-28 23:42:05,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214716990] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:05,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:05,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:05,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909593081] [2021-10-28 23:42:05,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:05,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:05,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:05,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:05,078 INFO L87 Difference]: Start difference. First operand 14186 states and 15781 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 23:42:07,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:07,474 INFO L93 Difference]: Finished difference Result 31073 states and 35057 transitions. [2021-10-28 23:42:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:07,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 405 [2021-10-28 23:42:07,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:07,505 INFO L225 Difference]: With dead ends: 31073 [2021-10-28 23:42:07,505 INFO L226 Difference]: Without dead ends: 17188 [2021-10-28 23:42:07,518 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 23:42:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17188 states. [2021-10-28 23:42:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17188 to 16578. [2021-10-28 23:42:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16578 states, 16577 states have (on average 1.1010436146467997) internal successors, (18252), 16577 states have internal predecessors, (18252), 0 states have call successors, (0), 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 23:42:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16578 states to 16578 states and 18252 transitions. [2021-10-28 23:42:07,799 INFO L78 Accepts]: Start accepts. Automaton has 16578 states and 18252 transitions. Word has length 405 [2021-10-28 23:42:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:07,800 INFO L470 AbstractCegarLoop]: Abstraction has 16578 states and 18252 transitions. [2021-10-28 23:42:07,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 23:42:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16578 states and 18252 transitions. [2021-10-28 23:42:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-10-28 23:42:07,815 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:07,815 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:07,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:42:07,816 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:07,817 INFO L85 PathProgramCache]: Analyzing trace with hash -692568243, now seen corresponding path program 1 times [2021-10-28 23:42:07,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:07,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370747282] [2021-10-28 23:42:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:07,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-10-28 23:42:08,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:08,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370747282] [2021-10-28 23:42:08,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370747282] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:08,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:08,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:08,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921932514] [2021-10-28 23:42:08,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:08,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:08,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:08,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:08,187 INFO L87 Difference]: Start difference. First operand 16578 states and 18252 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:10,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:10,941 INFO L93 Difference]: Finished difference Result 38232 states and 42166 transitions. [2021-10-28 23:42:10,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:10,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 519 [2021-10-28 23:42:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:10,978 INFO L225 Difference]: With dead ends: 38232 [2021-10-28 23:42:10,979 INFO L226 Difference]: Without dead ends: 20463 [2021-10-28 23:42:10,993 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 23:42:11,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20463 states. [2021-10-28 23:42:11,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20463 to 15962. [2021-10-28 23:42:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15962 states, 15961 states have (on average 1.0853329991855147) internal successors, (17323), 15961 states have internal predecessors, (17323), 0 states have call successors, (0), 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 23:42:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15962 states to 15962 states and 17323 transitions. [2021-10-28 23:42:11,405 INFO L78 Accepts]: Start accepts. Automaton has 15962 states and 17323 transitions. Word has length 519 [2021-10-28 23:42:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:11,405 INFO L470 AbstractCegarLoop]: Abstraction has 15962 states and 17323 transitions. [2021-10-28 23:42:11,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 15962 states and 17323 transitions. [2021-10-28 23:42:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-10-28 23:42:11,414 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:11,418 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:11,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:42:11,418 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:11,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:11,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1665757917, now seen corresponding path program 1 times [2021-10-28 23:42:11,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:11,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48746119] [2021-10-28 23:42:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:11,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-10-28 23:42:11,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:11,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48746119] [2021-10-28 23:42:11,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48746119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:11,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:11,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:11,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439007077] [2021-10-28 23:42:11,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:11,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:11,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:11,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:11,706 INFO L87 Difference]: Start difference. First operand 15962 states and 17323 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 23:42:13,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:13,405 INFO L93 Difference]: Finished difference Result 31020 states and 33705 transitions. [2021-10-28 23:42:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:13,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 543 [2021-10-28 23:42:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:13,431 INFO L225 Difference]: With dead ends: 31020 [2021-10-28 23:42:13,431 INFO L226 Difference]: Without dead ends: 16259 [2021-10-28 23:42:13,442 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 23:42:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16259 states. [2021-10-28 23:42:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16259 to 15960. [2021-10-28 23:42:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15960 states, 15959 states have (on average 1.085218372078451) internal successors, (17319), 15959 states have internal predecessors, (17319), 0 states have call successors, (0), 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 23:42:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15960 states to 15960 states and 17319 transitions. [2021-10-28 23:42:13,836 INFO L78 Accepts]: Start accepts. Automaton has 15960 states and 17319 transitions. Word has length 543 [2021-10-28 23:42:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:13,837 INFO L470 AbstractCegarLoop]: Abstraction has 15960 states and 17319 transitions. [2021-10-28 23:42:13,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 23:42:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15960 states and 17319 transitions. [2021-10-28 23:42:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-10-28 23:42:13,847 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:13,847 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:13,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:42:13,848 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:13,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:13,849 INFO L85 PathProgramCache]: Analyzing trace with hash 567704361, now seen corresponding path program 1 times [2021-10-28 23:42:13,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:13,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902524975] [2021-10-28 23:42:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:13,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-10-28 23:42:14,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:14,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902524975] [2021-10-28 23:42:14,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902524975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:14,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:14,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:14,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787697662] [2021-10-28 23:42:14,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:14,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:14,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:14,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:14,125 INFO L87 Difference]: Start difference. First operand 15960 states and 17319 transitions. Second operand has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 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 23:42:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:15,884 INFO L93 Difference]: Finished difference Result 34307 states and 37626 transitions. [2021-10-28 23:42:15,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 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 552 [2021-10-28 23:42:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:15,905 INFO L225 Difference]: With dead ends: 34307 [2021-10-28 23:42:15,905 INFO L226 Difference]: Without dead ends: 18651 [2021-10-28 23:42:15,917 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 23:42:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18651 states. [2021-10-28 23:42:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18651 to 12961. [2021-10-28 23:42:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 12960 states have (on average 1.0740740740740742) internal successors, (13920), 12960 states have internal predecessors, (13920), 0 states have call successors, (0), 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 23:42:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 13920 transitions. [2021-10-28 23:42:16,311 INFO L78 Accepts]: Start accepts. Automaton has 12961 states and 13920 transitions. Word has length 552 [2021-10-28 23:42:16,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:16,312 INFO L470 AbstractCegarLoop]: Abstraction has 12961 states and 13920 transitions. [2021-10-28 23:42:16,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 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 23:42:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12961 states and 13920 transitions. [2021-10-28 23:42:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-10-28 23:42:16,322 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:16,323 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:42:16,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:42:16,324 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:16,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:16,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1650113604, now seen corresponding path program 1 times [2021-10-28 23:42:16,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:16,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679163454] [2021-10-28 23:42:16,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:16,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 80 proven. 243 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-10-28 23:42:16,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:16,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679163454] [2021-10-28 23:42:16,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679163454] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:42:16,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220700353] [2021-10-28 23:42:16,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:16,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:42:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:42:16,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:42:16,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:42:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:17,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:42:17,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:42:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-10-28 23:42:18,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220700353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:18,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:42:18,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:42:18,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974101273] [2021-10-28 23:42:18,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:18,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:18,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:18,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:18,964 INFO L87 Difference]: Start difference. First operand 12961 states and 13920 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:20,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:20,633 INFO L93 Difference]: Finished difference Result 15355 states and 16410 transitions. [2021-10-28 23:42:20,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:20,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 583 [2021-10-28 23:42:20,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:20,657 INFO L225 Difference]: With dead ends: 15355 [2021-10-28 23:42:20,658 INFO L226 Difference]: Without dead ends: 15353 [2021-10-28 23:42:20,662 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15353 states. [2021-10-28 23:42:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15353 to 11759. [2021-10-28 23:42:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11759 states, 11758 states have (on average 1.0788399387650962) internal successors, (12685), 11758 states have internal predecessors, (12685), 0 states have call successors, (0), 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 23:42:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11759 states to 11759 states and 12685 transitions. [2021-10-28 23:42:20,864 INFO L78 Accepts]: Start accepts. Automaton has 11759 states and 12685 transitions. Word has length 583 [2021-10-28 23:42:20,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:20,865 INFO L470 AbstractCegarLoop]: Abstraction has 11759 states and 12685 transitions. [2021-10-28 23:42:20,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 11759 states and 12685 transitions. [2021-10-28 23:42:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-10-28 23:42:20,877 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:20,878 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:20,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:42:21,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 23:42:21,095 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:21,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:21,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1916958150, now seen corresponding path program 1 times [2021-10-28 23:42:21,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:21,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680618213] [2021-10-28 23:42:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:21,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-10-28 23:42:21,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:21,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680618213] [2021-10-28 23:42:21,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680618213] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:21,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:21,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:21,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141228968] [2021-10-28 23:42:21,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:21,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:21,435 INFO L87 Difference]: Start difference. First operand 11759 states and 12685 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 23:42:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:23,617 INFO L93 Difference]: Finished difference Result 28613 states and 30913 transitions. [2021-10-28 23:42:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 609 [2021-10-28 23:42:23,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:23,642 INFO L225 Difference]: With dead ends: 28613 [2021-10-28 23:42:23,642 INFO L226 Difference]: Without dead ends: 17155 [2021-10-28 23:42:23,650 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 23:42:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17155 states. [2021-10-28 23:42:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17155 to 15948. [2021-10-28 23:42:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15948 states, 15947 states have (on average 1.0687903680943125) internal successors, (17044), 15947 states have internal predecessors, (17044), 0 states have call successors, (0), 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 23:42:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15948 states to 15948 states and 17044 transitions. [2021-10-28 23:42:23,862 INFO L78 Accepts]: Start accepts. Automaton has 15948 states and 17044 transitions. Word has length 609 [2021-10-28 23:42:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:23,863 INFO L470 AbstractCegarLoop]: Abstraction has 15948 states and 17044 transitions. [2021-10-28 23:42:23,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 23:42:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 15948 states and 17044 transitions. [2021-10-28 23:42:23,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-10-28 23:42:23,874 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:23,875 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:23,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:42:23,876 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:23,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:23,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1564422367, now seen corresponding path program 1 times [2021-10-28 23:42:23,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:23,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606872516] [2021-10-28 23:42:23,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:23,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-10-28 23:42:24,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:24,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606872516] [2021-10-28 23:42:24,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606872516] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:24,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:24,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:24,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476808607] [2021-10-28 23:42:24,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:24,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:24,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:24,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:24,213 INFO L87 Difference]: Start difference. First operand 15948 states and 17044 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 23:42:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:26,141 INFO L93 Difference]: Finished difference Result 34584 states and 37113 transitions. [2021-10-28 23:42:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:26,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 614 [2021-10-28 23:42:26,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:26,162 INFO L225 Difference]: With dead ends: 34584 [2021-10-28 23:42:26,162 INFO L226 Difference]: Without dead ends: 18937 [2021-10-28 23:42:26,171 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 23:42:26,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18937 states. [2021-10-28 23:42:26,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18937 to 17741. [2021-10-28 23:42:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17741 states, 17740 states have (on average 1.0711386696730552) internal successors, (19002), 17740 states have internal predecessors, (19002), 0 states have call successors, (0), 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 23:42:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17741 states to 17741 states and 19002 transitions. [2021-10-28 23:42:26,473 INFO L78 Accepts]: Start accepts. Automaton has 17741 states and 19002 transitions. Word has length 614 [2021-10-28 23:42:26,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:26,474 INFO L470 AbstractCegarLoop]: Abstraction has 17741 states and 19002 transitions. [2021-10-28 23:42:26,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 23:42:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 17741 states and 19002 transitions. [2021-10-28 23:42:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2021-10-28 23:42:26,483 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:26,483 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:42:26,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:42:26,484 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:26,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:26,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1025909602, now seen corresponding path program 1 times [2021-10-28 23:42:26,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:26,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121653978] [2021-10-28 23:42:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:26,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-10-28 23:42:26,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:26,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121653978] [2021-10-28 23:42:26,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121653978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:26,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:26,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:26,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332535036] [2021-10-28 23:42:26,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:26,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:26,798 INFO L87 Difference]: Start difference. First operand 17741 states and 19002 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:28,486 INFO L93 Difference]: Finished difference Result 39663 states and 42502 transitions. [2021-10-28 23:42:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:28,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 639 [2021-10-28 23:42:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:28,510 INFO L225 Difference]: With dead ends: 39663 [2021-10-28 23:42:28,510 INFO L226 Difference]: Without dead ends: 22223 [2021-10-28 23:42:28,520 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 23:42:28,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22223 states. [2021-10-28 23:42:28,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22223 to 19232. [2021-10-28 23:42:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19232 states, 19231 states have (on average 1.067027195673652) internal successors, (20520), 19231 states have internal predecessors, (20520), 0 states have call successors, (0), 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 23:42:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19232 states to 19232 states and 20520 transitions. [2021-10-28 23:42:28,857 INFO L78 Accepts]: Start accepts. Automaton has 19232 states and 20520 transitions. Word has length 639 [2021-10-28 23:42:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:28,858 INFO L470 AbstractCegarLoop]: Abstraction has 19232 states and 20520 transitions. [2021-10-28 23:42:28,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:42:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 19232 states and 20520 transitions. [2021-10-28 23:42:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-10-28 23:42:28,869 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:28,870 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:42:28,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:42:28,871 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:28,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1327716536, now seen corresponding path program 1 times [2021-10-28 23:42:28,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:28,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950939891] [2021-10-28 23:42:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:28,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 80 proven. 243 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-10-28 23:42:29,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:29,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950939891] [2021-10-28 23:42:29,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950939891] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:42:29,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216855301] [2021-10-28 23:42:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:29,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:42:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:42:29,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:42:29,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:42:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:29,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:42:29,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:42:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-10-28 23:42:31,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216855301] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:31,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:42:31,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:42:31,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947364365] [2021-10-28 23:42:31,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:31,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:31,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:31,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:31,788 INFO L87 Difference]: Start difference. First operand 19232 states and 20520 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 23:42:33,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:33,673 INFO L93 Difference]: Finished difference Result 37557 states and 40105 transitions. [2021-10-28 23:42:33,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:33,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 667 [2021-10-28 23:42:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:33,701 INFO L225 Difference]: With dead ends: 37557 [2021-10-28 23:42:33,701 INFO L226 Difference]: Without dead ends: 18626 [2021-10-28 23:42:33,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18626 states. [2021-10-28 23:42:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18626 to 18027. [2021-10-28 23:42:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18027 states, 18026 states have (on average 1.0402751581049594) internal successors, (18752), 18026 states have internal predecessors, (18752), 0 states have call successors, (0), 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 23:42:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18027 states to 18027 states and 18752 transitions. [2021-10-28 23:42:33,934 INFO L78 Accepts]: Start accepts. Automaton has 18027 states and 18752 transitions. Word has length 667 [2021-10-28 23:42:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:33,935 INFO L470 AbstractCegarLoop]: Abstraction has 18027 states and 18752 transitions. [2021-10-28 23:42:33,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 23:42:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 18027 states and 18752 transitions. [2021-10-28 23:42:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2021-10-28 23:42:33,956 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:33,956 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:33,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:42:34,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:42:34,157 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:34,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash -353309477, now seen corresponding path program 1 times [2021-10-28 23:42:34,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:34,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478898955] [2021-10-28 23:42:34,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:34,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 691 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-10-28 23:42:34,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:34,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478898955] [2021-10-28 23:42:34,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478898955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:34,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:34,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:42:34,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417957086] [2021-10-28 23:42:34,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:42:34,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:42:34,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:42:34,746 INFO L87 Difference]: Start difference. First operand 18027 states and 18752 transitions. Second operand has 4 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 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 23:42:37,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:37,783 INFO L93 Difference]: Finished difference Result 41143 states and 42740 transitions. [2021-10-28 23:42:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:42:37,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 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 809 [2021-10-28 23:42:37,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:37,786 INFO L225 Difference]: With dead ends: 41143 [2021-10-28 23:42:37,786 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:42:37,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 23:42:37,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:42:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:42:37,798 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 23:42:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:42:37,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 809 [2021-10-28 23:42:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:37,799 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:42:37,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 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 23:42:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:42:37,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:42:37,803 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:42:37,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:42:37,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:42:37,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:37,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:38,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:38,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,580 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,589 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,590 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,590 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,590 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,590 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,591 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 23:42:42,592 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,592 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,592 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,592 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,592 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,593 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 23:42:42,593 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,593 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,593 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 23:42:42,593 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 23:42:42,594 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,594 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,594 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,594 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,594 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,595 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 23:42:42,596 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 23:42:42,596 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,596 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,596 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,596 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,597 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,597 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 23:42:42,597 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,597 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,597 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,598 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,599 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,599 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,599 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,599 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,599 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 23:42:42,600 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,600 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,600 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,600 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,600 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,601 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,602 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 23:42:42,602 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 23:42:42,602 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,602 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,602 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,603 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,603 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 23:42:42,603 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,603 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,603 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,604 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 23:42:42,605 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 23:42:42,605 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 23:42:42,605 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 23:42:42,605 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,605 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,606 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,606 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,606 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,606 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,606 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,607 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,607 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 23:42:42,607 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,607 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2021-10-28 23:42:42,607 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 23:42:42,608 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,609 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 23:42:42,609 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 23:42:42,609 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 23:42:42,609 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 23:42:42,609 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 23:42:42,610 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 23:42:42,610 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,610 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,610 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,610 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,611 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 23:42:42,611 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 23:42:42,611 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,612 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,613 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,613 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 23:42:42,613 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,613 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,613 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,614 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,614 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,614 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 23:42:42,614 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 23:42:42,614 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 23:42:42,615 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 23:42:42,616 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,616 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,616 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,616 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,616 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 23:42:42,617 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,617 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,617 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,617 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,617 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,618 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,619 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,619 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,619 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,619 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 23:42:42,619 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,620 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,620 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,620 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,620 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,620 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,621 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,622 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,622 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 23:42:42,622 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,622 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,622 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,623 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,624 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 23:42:42,624 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 23:42:42,624 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,624 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,624 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 23:42:42,625 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,625 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,625 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,625 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,625 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,626 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,627 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 23:42:42,627 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,627 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,627 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,627 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,628 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 23:42:42,628 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 23:42:42,628 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,628 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,628 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,629 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 23:42:42,630 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 23:42:42,632 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,632 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,632 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,632 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,632 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,633 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 23:42:42,633 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 23:42:42,633 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 23:42:42,633 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 23:42:42,633 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,634 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,634 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,634 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 23:42:42,634 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 23:42:42,634 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,635 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 23:42:42,636 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 23:42:42,636 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 23:42:42,636 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,636 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 23:42:42,636 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,637 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,637 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,638 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,638 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,638 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,638 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,640 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,640 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 23:42:42,640 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 23:42:42,640 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 23:42:42,641 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 23:42:42,641 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,642 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,642 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,643 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,643 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse0 (+ ~a4~0 86))) (let ((.cse9 (<= 44 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse8 (<= (+ ~a0~0 147) 0)) (.cse2 (= ~a2~0 1)) (.cse6 (<= .cse0 0)) (.cse5 (<= 5 ~a2~0)) (.cse4 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse7 (= 2 ~a2~0)) (.cse10 (<= (+ ~a29~0 144) 0))) (or (and (< 0 .cse0) .cse1 .cse2) (and .cse1 (= ~a2~0 4)) (and .cse1 .cse3 .cse4) (and .cse5 .cse6) (and .cse7 .cse6) (and .cse1 .cse2 (< 0 (+ 98 ~a0~0))) (and .cse7 .cse8) (and .cse1 (<= 0 (+ 44 ~a0~0)) .cse3) (and .cse1 .cse9 .cse5) (and .cse1 .cse7 .cse4) (and .cse2 .cse6 .cse10) (and (<= (+ 89 ~a4~0) 0) .cse8) (and .cse9 .cse2 .cse6) (and .cse6 .cse3) (and .cse8 .cse2 .cse6) (and .cse1 .cse5 .cse4) (and .cse1 .cse7 .cse10)))) [2021-10-28 23:42:42,645 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 23:42:42,646 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 23:42:42,646 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,646 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,646 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,646 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,647 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 23:42:42,648 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 23:42:42,648 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,648 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 23:42:42,648 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 23:42:42,648 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,649 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,650 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 23:42:42,650 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 23:42:42,650 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,650 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 23:42:42,650 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,651 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,652 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,652 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse0 (+ ~a4~0 86))) (let ((.cse9 (<= 44 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse8 (<= (+ ~a0~0 147) 0)) (.cse2 (= ~a2~0 1)) (.cse6 (<= .cse0 0)) (.cse5 (<= 5 ~a2~0)) (.cse4 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse7 (= 2 ~a2~0)) (.cse10 (<= (+ ~a29~0 144) 0))) (or (and (< 0 .cse0) .cse1 .cse2) (and .cse1 (= ~a2~0 4)) (and .cse1 .cse3 .cse4) (and .cse5 .cse6) (and .cse7 .cse6) (and .cse1 .cse2 (< 0 (+ 98 ~a0~0))) (and .cse7 .cse8) (and .cse1 (<= 0 (+ 44 ~a0~0)) .cse3) (and .cse1 .cse9 .cse5) (and .cse1 .cse7 .cse4) (and .cse2 .cse6 .cse10) (and (<= (+ 89 ~a4~0) 0) .cse8) (and .cse9 .cse2 .cse6) (and .cse6 .cse3) (and .cse8 .cse2 .cse6) (and .cse1 .cse5 .cse4) (and .cse1 .cse7 .cse10)))) [2021-10-28 23:42:42,652 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,652 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,653 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,654 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,654 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 23:42:42,654 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 23:42:42,654 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,654 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,655 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,656 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,657 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,657 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,657 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,657 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 23:42:42,657 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,658 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,659 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,659 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,659 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 23:42:42,659 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 23:42:42,659 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,660 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,661 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,662 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,662 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,662 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,662 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 23:42:42,662 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,663 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,664 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,664 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,664 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,664 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse0 (+ ~a4~0 86))) (let ((.cse9 (<= 44 ~a29~0)) (.cse3 (= 3 ~a2~0)) (.cse8 (<= (+ ~a0~0 147) 0)) (.cse2 (= ~a2~0 1)) (.cse6 (<= .cse0 0)) (.cse5 (<= 5 ~a2~0)) (.cse4 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse7 (= 2 ~a2~0)) (.cse10 (<= (+ ~a29~0 144) 0))) (or (and (< 0 .cse0) .cse1 .cse2) (and .cse1 (= ~a2~0 4)) (and .cse1 .cse3 .cse4) (and .cse5 .cse6) (and .cse7 .cse6) (and .cse1 .cse2 (< 0 (+ 98 ~a0~0))) (and .cse7 .cse8) (and .cse1 (<= 0 (+ 44 ~a0~0)) .cse3) (and .cse1 .cse9 .cse5) (and .cse1 .cse7 .cse4) (and .cse2 .cse6 .cse10) (and (<= (+ 89 ~a4~0) 0) .cse8) (and .cse9 .cse2 .cse6) (and .cse6 .cse3) (and .cse8 .cse2 .cse6) (and .cse1 .cse5 .cse4) (and .cse1 .cse7 .cse10)))) [2021-10-28 23:42:42,664 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,665 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,666 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,666 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,667 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,667 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 23:42:42,667 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,668 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,669 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,669 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,669 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,669 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,669 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 23:42:42,670 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,671 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,672 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 23:42:42,673 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,673 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,673 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,673 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,673 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,674 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 23:42:42,675 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,676 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 23:42:42,677 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 23:42:42,681 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:42,685 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:42:42,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:42:42 BoogieIcfgContainer [2021-10-28 23:42:42,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:42:42,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:42:42,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:42:42,768 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:42:42,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:15" (3/4) ... [2021-10-28 23:42:42,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:42:42,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:42:42,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:42:42,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:42:42,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:42:43,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:42:43,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:42:43,353 INFO L168 Benchmark]: Toolchain (without parser) took 94088.88 ms. Allocated memory was 88.1 MB in the beginning and 952.1 MB in the end (delta: 864.0 MB). Free memory was 52.3 MB in the beginning and 803.4 MB in the end (delta: -751.1 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,353 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:42:43,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1513.12 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 52.1 MB in the beginning and 72.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 351.91 ms. Allocated memory is still 121.6 MB. Free memory was 72.8 MB in the beginning and 61.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,355 INFO L168 Benchmark]: Boogie Preprocessor took 352.70 ms. Allocated memory was 121.6 MB in the beginning and 174.1 MB in the end (delta: 52.4 MB). Free memory was 61.5 MB in the beginning and 106.0 MB in the end (delta: -44.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,356 INFO L168 Benchmark]: RCFGBuilder took 3812.89 ms. Allocated memory was 174.1 MB in the beginning and 272.6 MB in the end (delta: 98.6 MB). Free memory was 106.0 MB in the beginning and 160.8 MB in the end (delta: -54.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,357 INFO L168 Benchmark]: TraceAbstraction took 87465.56 ms. Allocated memory was 272.6 MB in the beginning and 952.1 MB in the end (delta: 679.5 MB). Free memory was 160.8 MB in the beginning and 723.1 MB in the end (delta: -562.3 MB). Peak memory consumption was 600.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,357 INFO L168 Benchmark]: Witness Printer took 583.71 ms. Allocated memory is still 952.1 MB. Free memory was 723.1 MB in the beginning and 803.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:43,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1513.12 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 52.1 MB in the beginning and 72.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 351.91 ms. Allocated memory is still 121.6 MB. Free memory was 72.8 MB in the beginning and 61.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 352.70 ms. Allocated memory was 121.6 MB in the beginning and 174.1 MB in the end (delta: 52.4 MB). Free memory was 61.5 MB in the beginning and 106.0 MB in the end (delta: -44.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3812.89 ms. Allocated memory was 174.1 MB in the beginning and 272.6 MB in the end (delta: 98.6 MB). Free memory was 106.0 MB in the beginning and 160.8 MB in the end (delta: -54.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87465.56 ms. Allocated memory was 272.6 MB in the beginning and 952.1 MB in the end (delta: 679.5 MB). Free memory was 160.8 MB in the beginning and 723.1 MB in the end (delta: -562.3 MB). Peak memory consumption was 600.8 MB. Max. memory is 16.1 GB. * Witness Printer took 583.71 ms. Allocated memory is still 952.1 MB. Free memory was 723.1 MB in the beginning and 803.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 143]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.2s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 62.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7903 SDtfs, 6997 SDslu, 1013 SDs, 0 SdLazy, 25067 SolverSat, 4183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1703 GetRequests, 1669 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19232occurred in iteration=20, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 30371 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 303 NumberOfFragments, 622 HoareAnnotationTreeSize, 4 FomulaSimplifications, 32628 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 14151 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 10368 NumberOfCodeBlocks, 10368 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 10343 ConstructedInterpolants, 0 QuantifiedInterpolants, 27402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2016 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 7605/8155 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || (42 + a4 <= 0 && a2 == 4)) || ((42 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (5 <= a2 && a4 + 86 <= 0)) || (2 == a2 && a4 + 86 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0)) || (2 == a2 && a0 + 147 <= 0)) || ((42 + a4 <= 0 && 0 <= 44 + a0) && 3 == a2)) || ((42 + a4 <= 0 && 44 <= a29) && 5 <= a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || ((44 <= a29 && a2 == 1) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((42 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a29 + 144 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || (42 + a4 <= 0 && a2 == 4)) || ((42 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (5 <= a2 && a4 + 86 <= 0)) || (2 == a2 && a4 + 86 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0)) || (2 == a2 && a0 + 147 <= 0)) || ((42 + a4 <= 0 && 0 <= 44 + a0) && 3 == a2)) || ((42 + a4 <= 0 && 44 <= a29) && 5 <= a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || ((44 <= a29 && a2 == 1) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((42 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a29 + 144 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || (42 + a4 <= 0 && a2 == 4)) || ((42 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (5 <= a2 && a4 + 86 <= 0)) || (2 == a2 && a4 + 86 <= 0)) || ((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0)) || (2 == a2 && a0 + 147 <= 0)) || ((42 + a4 <= 0 && 0 <= 44 + a0) && 3 == a2)) || ((42 + a4 <= 0 && 44 <= a29) && 5 <= a2)) || ((42 + a4 <= 0 && 2 == a2) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || ((44 <= a29 && a2 == 1) && a4 + 86 <= 0)) || (a4 + 86 <= 0 && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((42 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 2 == a2) && a29 + 144 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:42:43,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b2aea-1f2c-47d9-a0ed-9175975f3640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...