./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.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_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/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_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/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_6356935a-2998-456f-84eb-deffab4a3d8a/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 fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:53:32,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:53:32,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:53:32,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:53:32,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:53:32,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:53:32,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:53:32,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:53:32,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:53:32,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:53:32,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:53:32,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:53:32,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:53:32,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:53:32,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:53:32,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:53:32,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:53:32,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:53:32,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:53:32,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:53:32,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:53:32,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:53:32,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:53:32,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:53:32,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:53:32,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:53:32,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:53:32,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:53:32,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:53:32,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:53:32,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:53:32,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:53:32,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:53:32,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:53:32,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:53:32,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:53:32,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:53:32,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:53:32,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:53:32,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:53:32,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:53:32,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:53:32,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:53:32,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:53:32,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:53:32,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:53:32,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:53:32,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:53:32,441 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:53:32,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:53:32,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:53:32,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:53:32,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:53:32,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:53:32,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:53:32,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:53:32,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:53:32,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:53:32,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:53:32,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:53:32,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:53:32,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:53:32,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:53:32,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:53:32,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:53:32,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:53:32,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:53:32,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:53:32,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:53:32,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:53:32,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:53:32,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:53:32,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:53:32,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:53:32,450 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_6356935a-2998-456f-84eb-deffab4a3d8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a [2021-10-28 22:53:32,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:53:32,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:53:32,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:53:32,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:53:32,815 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:53:32,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-10-28 22:53:32,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/data/84c2ec3b7/82dd4a2e140b4e9ba46c6a87df8e8d3f/FLAG10ea0e9de [2021-10-28 22:53:33,687 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:53:33,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-10-28 22:53:33,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/data/84c2ec3b7/82dd4a2e140b4e9ba46c6a87df8e8d3f/FLAG10ea0e9de [2021-10-28 22:53:33,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/data/84c2ec3b7/82dd4a2e140b4e9ba46c6a87df8e8d3f [2021-10-28 22:53:33,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:53:33,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:53:33,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:33,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:53:33,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:53:33,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:33" (1/1) ... [2021-10-28 22:53:33,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f637bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:33, skipping insertion in model container [2021-10-28 22:53:33,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:33" (1/1) ... [2021-10-28 22:53:33,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:53:33,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:53:34,254 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_6356935a-2998-456f-84eb-deffab4a3d8a/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-10-28 22:53:34,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:34,945 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:53:34,988 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_6356935a-2998-456f-84eb-deffab4a3d8a/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-10-28 22:53:35,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:35,466 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:53:35,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35 WrapperNode [2021-10-28 22:53:35,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:35,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:35,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:53:35,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:53:35,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:35,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:53:35,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:53:35,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:53:35,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:53:35,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:53:35,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:53:35,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:53:35,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (1/1) ... [2021-10-28 22:53:35,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:53:35,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:53:36,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:53:36,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:53:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:53:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:53:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:53:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:53:39,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:53:39,170 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 22:53:39,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:39 BoogieIcfgContainer [2021-10-28 22:53:39,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:53:39,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:53:39,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:53:39,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:53:39,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:53:33" (1/3) ... [2021-10-28 22:53:39,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57efd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:53:39, skipping insertion in model container [2021-10-28 22:53:39,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:35" (2/3) ... [2021-10-28 22:53:39,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57efd13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:53:39, skipping insertion in model container [2021-10-28 22:53:39,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:39" (3/3) ... [2021-10-28 22:53:39,187 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label12.c [2021-10-28 22:53:39,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:53:39,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:53:39,283 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:53:39,295 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 22:53:39,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:53:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states 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 22:53:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 22:53:39,358 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:39,359 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] [2021-10-28 22:53:39,359 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:39,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:39,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2021-10-28 22:53:39,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:39,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587689907] [2021-10-28 22:53:39,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:39,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:39,780 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 22:53:39,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:39,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587689907] [2021-10-28 22:53:39,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587689907] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:39,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:39,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:39,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203673635] [2021-10-28 22:53:39,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:53:39,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:39,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:53:39,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:53:39,820 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states 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 22:53:44,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:44,261 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-10-28 22:53:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:53:44,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-28 22:53:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:44,288 INFO L225 Difference]: With dead ends: 1456 [2021-10-28 22:53:44,288 INFO L226 Difference]: Without dead ends: 991 [2021-10-28 22:53:44,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:53:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-10-28 22:53:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-10-28 22:53:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.4858585858585858) internal successors, (1471), 990 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states 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 22:53:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1471 transitions. [2021-10-28 22:53:44,410 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1471 transitions. Word has length 39 [2021-10-28 22:53:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:44,411 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1471 transitions. [2021-10-28 22:53:44,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states 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 22:53:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1471 transitions. [2021-10-28 22:53:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-28 22:53:44,418 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:44,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:44,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:53:44,419 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:44,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:44,420 INFO L85 PathProgramCache]: Analyzing trace with hash -586498173, now seen corresponding path program 1 times [2021-10-28 22:53:44,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:44,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742663968] [2021-10-28 22:53:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:44,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-28 22:53:44,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:44,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742663968] [2021-10-28 22:53:44,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742663968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:44,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:44,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:44,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943938094] [2021-10-28 22:53:44,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:44,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:44,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:44,677 INFO L87 Difference]: Start difference. First operand 991 states and 1471 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 22:53:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:46,430 INFO L93 Difference]: Finished difference Result 2309 states and 3726 transitions. [2021-10-28 22:53:46,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:46,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 126 [2021-10-28 22:53:46,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:46,444 INFO L225 Difference]: With dead ends: 2309 [2021-10-28 22:53:46,444 INFO L226 Difference]: Without dead ends: 1649 [2021-10-28 22:53:46,448 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 22:53:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-10-28 22:53:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-10-28 22:53:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.379247572815534) internal successors, (2273), 1648 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states 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 22:53:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2273 transitions. [2021-10-28 22:53:46,504 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2273 transitions. Word has length 126 [2021-10-28 22:53:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:46,505 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2273 transitions. [2021-10-28 22:53:46,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 22:53:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2273 transitions. [2021-10-28 22:53:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-28 22:53:46,518 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:46,519 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:53:46,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:53:46,520 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash 881646845, now seen corresponding path program 1 times [2021-10-28 22:53:46,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:46,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240083902] [2021-10-28 22:53:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:46,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 22:53:46,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:46,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240083902] [2021-10-28 22:53:46,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240083902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:46,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:46,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:46,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854957054] [2021-10-28 22:53:46,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:46,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:46,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:46,712 INFO L87 Difference]: Start difference. First operand 1649 states and 2273 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:53:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:48,781 INFO L93 Difference]: Finished difference Result 4283 states and 6132 transitions. [2021-10-28 22:53:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 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 205 [2021-10-28 22:53:48,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:48,803 INFO L225 Difference]: With dead ends: 4283 [2021-10-28 22:53:48,804 INFO L226 Difference]: Without dead ends: 2965 [2021-10-28 22:53:48,807 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 22:53:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-10-28 22:53:48,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2636. [2021-10-28 22:53:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3400379506641367) internal successors, (3531), 2635 states have internal predecessors, (3531), 0 states have call successors, (0), 0 states 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 22:53:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3531 transitions. [2021-10-28 22:53:48,898 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3531 transitions. Word has length 205 [2021-10-28 22:53:48,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:48,900 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3531 transitions. [2021-10-28 22:53:48,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states 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 22:53:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3531 transitions. [2021-10-28 22:53:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-10-28 22:53:48,907 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:48,907 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:53:48,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:53:48,908 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:48,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:48,909 INFO L85 PathProgramCache]: Analyzing trace with hash 189897183, now seen corresponding path program 1 times [2021-10-28 22:53:48,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:48,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100879416] [2021-10-28 22:53:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:48,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 22:53:49,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:49,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100879416] [2021-10-28 22:53:49,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100879416] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:49,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:49,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:49,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743689247] [2021-10-28 22:53:49,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:49,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:49,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:49,173 INFO L87 Difference]: Start difference. First operand 2636 states and 3531 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,087 INFO L93 Difference]: Finished difference Result 5599 states and 7527 transitions. [2021-10-28 22:53:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:51,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-10-28 22:53:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,112 INFO L225 Difference]: With dead ends: 5599 [2021-10-28 22:53:51,113 INFO L226 Difference]: Without dead ends: 3294 [2021-10-28 22:53:51,117 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 22:53:51,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-28 22:53:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-10-28 22:53:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.2247191011235956) internal successors, (4033), 3293 states have internal predecessors, (4033), 0 states have call successors, (0), 0 states 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 22:53:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4033 transitions. [2021-10-28 22:53:51,217 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4033 transitions. Word has length 281 [2021-10-28 22:53:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,218 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4033 transitions. [2021-10-28 22:53:51,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4033 transitions. [2021-10-28 22:53:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-10-28 22:53:51,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,233 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:53:51,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:53:51,234 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1532946731, now seen corresponding path program 1 times [2021-10-28 22:53:51,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140940893] [2021-10-28 22:53:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-10-28 22:53:51,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140940893] [2021-10-28 22:53:51,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140940893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:51,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889274839] [2021-10-28 22:53:51,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:51,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:51,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,510 INFO L87 Difference]: Start difference. First operand 3294 states and 4033 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states 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 22:53:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:53,276 INFO L93 Difference]: Finished difference Result 6586 states and 8076 transitions. [2021-10-28 22:53:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:53,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 458 [2021-10-28 22:53:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:53,301 INFO L225 Difference]: With dead ends: 6586 [2021-10-28 22:53:53,301 INFO L226 Difference]: Without dead ends: 3294 [2021-10-28 22:53:53,306 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 22:53:53,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-10-28 22:53:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-10-28 22:53:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.0567871242028546) internal successors, (3480), 3293 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states 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 22:53:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3480 transitions. [2021-10-28 22:53:53,416 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3480 transitions. Word has length 458 [2021-10-28 22:53:53,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:53,417 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 3480 transitions. [2021-10-28 22:53:53,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states 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 22:53:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3480 transitions. [2021-10-28 22:53:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-10-28 22:53:53,435 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:53,436 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:53,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:53:53,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:53,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:53,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1102512814, now seen corresponding path program 1 times [2021-10-28 22:53:53,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:53,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358942714] [2021-10-28 22:53:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:53,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-28 22:53:53,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:53,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358942714] [2021-10-28 22:53:53,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358942714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:53,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:53,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:53,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787473594] [2021-10-28 22:53:53,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:53:53,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:53,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:53:53,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:53:53,843 INFO L87 Difference]: Start difference. First operand 3294 states and 3480 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 22:53:56,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:56,492 INFO L93 Difference]: Finished difference Result 10865 states and 11555 transitions. [2021-10-28 22:53:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:53:56,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 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 510 [2021-10-28 22:53:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:56,540 INFO L225 Difference]: With dead ends: 10865 [2021-10-28 22:53:56,540 INFO L226 Difference]: Without dead ends: 7573 [2021-10-28 22:53:56,546 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 22:53:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2021-10-28 22:53:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 7242. [2021-10-28 22:53:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0552409888136998) internal successors, (7641), 7241 states have internal predecessors, (7641), 0 states have call successors, (0), 0 states 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 22:53:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7641 transitions. [2021-10-28 22:53:56,764 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7641 transitions. Word has length 510 [2021-10-28 22:53:56,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:56,765 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 7641 transitions. [2021-10-28 22:53:56,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states 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 22:53:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7641 transitions. [2021-10-28 22:53:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-10-28 22:53:56,790 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:56,791 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:56,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:53:56,792 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:56,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash -451046307, now seen corresponding path program 1 times [2021-10-28 22:53:56,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:56,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508926549] [2021-10-28 22:53:56,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:56,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-10-28 22:53:57,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:57,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508926549] [2021-10-28 22:53:57,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508926549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:57,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:57,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:57,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546770477] [2021-10-28 22:53:57,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:57,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:57,140 INFO L87 Difference]: Start difference. First operand 7242 states and 7641 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states 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 22:53:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:58,606 INFO L93 Difference]: Finished difference Result 16787 states and 17749 transitions. [2021-10-28 22:53:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:58,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 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 606 [2021-10-28 22:53:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:58,667 INFO L225 Difference]: With dead ends: 16787 [2021-10-28 22:53:58,667 INFO L226 Difference]: Without dead ends: 9876 [2021-10-28 22:53:58,677 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 22:53:58,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9876 states. [2021-10-28 22:53:58,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9876 to 9545. [2021-10-28 22:53:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0550083822296732) internal successors, (10069), 9544 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states 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 22:53:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10069 transitions. [2021-10-28 22:53:58,970 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10069 transitions. Word has length 606 [2021-10-28 22:53:58,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:58,971 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 10069 transitions. [2021-10-28 22:53:58,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states 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 22:53:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10069 transitions. [2021-10-28 22:53:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-10-28 22:53:58,993 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:58,994 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:58,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:53:58,995 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:58,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:58,996 INFO L85 PathProgramCache]: Analyzing trace with hash -720940559, now seen corresponding path program 1 times [2021-10-28 22:53:58,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:58,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663682305] [2021-10-28 22:53:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:58,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-10-28 22:53:59,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:59,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663682305] [2021-10-28 22:53:59,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663682305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:59,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:59,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:59,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157834233] [2021-10-28 22:53:59,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:59,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:59,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:59,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:59,293 INFO L87 Difference]: Start difference. First operand 9545 states and 10069 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states 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 22:54:00,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:00,959 INFO L93 Difference]: Finished difference Result 22378 states and 23757 transitions. [2021-10-28 22:54:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:00,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 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 22:54:00,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:00,998 INFO L225 Difference]: With dead ends: 22378 [2021-10-28 22:54:00,998 INFO L226 Difference]: Without dead ends: 13164 [2021-10-28 22:54:01,011 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 22:54:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-28 22:54:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-28 22:54:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0581174504292334) internal successors, (13928), 13163 states have internal predecessors, (13928), 0 states have call successors, (0), 0 states 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 22:54:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13928 transitions. [2021-10-28 22:54:01,301 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13928 transitions. Word has length 614 [2021-10-28 22:54:01,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:01,303 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13928 transitions. [2021-10-28 22:54:01,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states 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 22:54:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13928 transitions. [2021-10-28 22:54:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2021-10-28 22:54:01,327 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:01,328 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:01,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:54:01,329 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:01,330 INFO L85 PathProgramCache]: Analyzing trace with hash -18969889, now seen corresponding path program 1 times [2021-10-28 22:54:01,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:01,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408728357] [2021-10-28 22:54:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:01,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1104 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-28 22:54:01,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:01,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408728357] [2021-10-28 22:54:01,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408728357] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:01,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:01,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:01,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506330282] [2021-10-28 22:54:01,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:54:01,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:01,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:54:01,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:54:01,954 INFO L87 Difference]: Start difference. First operand 13164 states and 13928 transitions. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 22:54:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:03,518 INFO L93 Difference]: Finished difference Result 25668 states and 27187 transitions. [2021-10-28 22:54:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:03,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 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 871 [2021-10-28 22:54:03,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:03,558 INFO L225 Difference]: With dead ends: 25668 [2021-10-28 22:54:03,558 INFO L226 Difference]: Without dead ends: 13164 [2021-10-28 22:54:03,574 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 22:54:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-28 22:54:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-28 22:54:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0578895388589227) internal successors, (13925), 13163 states have internal predecessors, (13925), 0 states have call successors, (0), 0 states 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 22:54:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13925 transitions. [2021-10-28 22:54:03,865 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13925 transitions. Word has length 871 [2021-10-28 22:54:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:03,867 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13925 transitions. [2021-10-28 22:54:03,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states 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 22:54:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13925 transitions. [2021-10-28 22:54:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2021-10-28 22:54:03,946 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:03,947 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:03,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:54:03,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2033206127, now seen corresponding path program 1 times [2021-10-28 22:54:03,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:03,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353669843] [2021-10-28 22:54:03,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:03,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2021-10-28 22:54:04,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:04,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353669843] [2021-10-28 22:54:04,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353669843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:04,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:04,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:04,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843935162] [2021-10-28 22:54:04,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:04,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:04,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:04,471 INFO L87 Difference]: Start difference. First operand 13164 states and 13925 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states 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 22:54:05,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:05,695 INFO L93 Difference]: Finished difference Result 28629 states and 30371 transitions. [2021-10-28 22:54:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:05,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 932 [2021-10-28 22:54:05,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:05,733 INFO L225 Difference]: With dead ends: 28629 [2021-10-28 22:54:05,734 INFO L226 Difference]: Without dead ends: 16125 [2021-10-28 22:54:05,749 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 22:54:05,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-28 22:54:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2021-10-28 22:54:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.046295098926678) internal successors, (16182), 15466 states have internal predecessors, (16182), 0 states have call successors, (0), 0 states 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 22:54:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 16182 transitions. [2021-10-28 22:54:06,092 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 16182 transitions. Word has length 932 [2021-10-28 22:54:06,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:06,094 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 16182 transitions. [2021-10-28 22:54:06,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states 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 22:54:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 16182 transitions. [2021-10-28 22:54:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2021-10-28 22:54:06,122 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:06,123 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:54:06,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:54:06,123 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:06,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:06,124 INFO L85 PathProgramCache]: Analyzing trace with hash -314106758, now seen corresponding path program 1 times [2021-10-28 22:54:06,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:06,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770728406] [2021-10-28 22:54:06,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:06,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 22:54:06,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:06,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770728406] [2021-10-28 22:54:06,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770728406] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:06,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:06,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:06,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350964520] [2021-10-28 22:54:06,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:06,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:06,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:06,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:06,702 INFO L87 Difference]: Start difference. First operand 15467 states and 16182 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 22:54:08,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:08,425 INFO L93 Difference]: Finished difference Result 31590 states and 33080 transitions. [2021-10-28 22:54:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:08,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 933 [2021-10-28 22:54:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:08,466 INFO L225 Difference]: With dead ends: 31590 [2021-10-28 22:54:08,466 INFO L226 Difference]: Without dead ends: 16783 [2021-10-28 22:54:08,484 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 22:54:08,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-28 22:54:08,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-10-28 22:54:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.03870007442322) internal successors, (16748), 16124 states have internal predecessors, (16748), 0 states have call successors, (0), 0 states 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 22:54:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16748 transitions. [2021-10-28 22:54:08,749 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16748 transitions. Word has length 933 [2021-10-28 22:54:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:08,752 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16748 transitions. [2021-10-28 22:54:08,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 22:54:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16748 transitions. [2021-10-28 22:54:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2021-10-28 22:54:08,778 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:08,781 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:54:08,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:54:08,782 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:08,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash -297321193, now seen corresponding path program 1 times [2021-10-28 22:54:08,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:08,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432301521] [2021-10-28 22:54:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:08,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1258 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2021-10-28 22:54:09,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:09,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432301521] [2021-10-28 22:54:09,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432301521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:09,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:09,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:09,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908800281] [2021-10-28 22:54:09,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:09,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:09,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:09,415 INFO L87 Difference]: Start difference. First operand 16125 states and 16748 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:54:10,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:10,869 INFO L93 Difference]: Finished difference Result 31919 states and 33160 transitions. [2021-10-28 22:54:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:10,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 962 [2021-10-28 22:54:10,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:10,912 INFO L225 Difference]: With dead ends: 31919 [2021-10-28 22:54:10,912 INFO L226 Difference]: Without dead ends: 16125 [2021-10-28 22:54:10,923 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 22:54:10,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-28 22:54:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-10-28 22:54:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.02880658436214) internal successors, (16250), 15795 states have internal predecessors, (16250), 0 states have call successors, (0), 0 states 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 22:54:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16250 transitions. [2021-10-28 22:54:11,265 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16250 transitions. Word has length 962 [2021-10-28 22:54:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:11,268 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16250 transitions. [2021-10-28 22:54:11,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:54:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16250 transitions. [2021-10-28 22:54:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-10-28 22:54:11,296 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:11,297 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:54:11,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:54:11,298 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:11,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:11,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1110562052, now seen corresponding path program 1 times [2021-10-28 22:54:11,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:11,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064805120] [2021-10-28 22:54:11,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:11,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2181 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 1960 trivial. 0 not checked. [2021-10-28 22:54:11,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:11,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064805120] [2021-10-28 22:54:11,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064805120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:11,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:11,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:11,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173226499] [2021-10-28 22:54:11,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:11,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:11,844 INFO L87 Difference]: Start difference. First operand 15796 states and 16250 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states 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 22:54:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:13,243 INFO L93 Difference]: Finished difference Result 32906 states and 33892 transitions. [2021-10-28 22:54:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:13,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 1020 [2021-10-28 22:54:13,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:13,279 INFO L225 Difference]: With dead ends: 32906 [2021-10-28 22:54:13,279 INFO L226 Difference]: Without dead ends: 17770 [2021-10-28 22:54:13,289 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 22:54:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-28 22:54:13,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-10-28 22:54:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0288990825688074) internal successors, (17944), 17440 states have internal predecessors, (17944), 0 states have call successors, (0), 0 states 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 22:54:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17944 transitions. [2021-10-28 22:54:13,668 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17944 transitions. Word has length 1020 [2021-10-28 22:54:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:13,670 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17944 transitions. [2021-10-28 22:54:13,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states 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 22:54:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17944 transitions. [2021-10-28 22:54:13,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2021-10-28 22:54:13,702 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:13,704 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 22:54:13,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 22:54:13,705 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 64901029, now seen corresponding path program 1 times [2021-10-28 22:54:13,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:13,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122906690] [2021-10-28 22:54:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:13,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 939 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2021-10-28 22:54:14,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:14,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122906690] [2021-10-28 22:54:14,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122906690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:14,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:14,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:14,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833130555] [2021-10-28 22:54:14,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:14,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:14,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:14,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:14,540 INFO L87 Difference]: Start difference. First operand 17441 states and 17944 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 22:54:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:15,885 INFO L93 Difference]: Finished difference Result 34222 states and 35222 transitions. [2021-10-28 22:54:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:15,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 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 1114 [2021-10-28 22:54:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:15,915 INFO L225 Difference]: With dead ends: 34222 [2021-10-28 22:54:15,916 INFO L226 Difference]: Without dead ends: 17441 [2021-10-28 22:54:15,929 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 22:54:15,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-28 22:54:16,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-10-28 22:54:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0251300333119047) internal successors, (17541), 17111 states have internal predecessors, (17541), 0 states have call successors, (0), 0 states 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 22:54:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17541 transitions. [2021-10-28 22:54:16,258 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17541 transitions. Word has length 1114 [2021-10-28 22:54:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:16,260 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17541 transitions. [2021-10-28 22:54:16,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 22:54:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17541 transitions. [2021-10-28 22:54:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2021-10-28 22:54:16,312 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:16,313 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:16,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 22:54:16,314 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:16,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1991660531, now seen corresponding path program 1 times [2021-10-28 22:54:16,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:16,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160431688] [2021-10-28 22:54:16,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:16,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2860 backedges. 1118 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-28 22:54:17,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:17,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160431688] [2021-10-28 22:54:17,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160431688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:17,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:17,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:17,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526108154] [2021-10-28 22:54:17,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:17,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:17,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:17,102 INFO L87 Difference]: Start difference. First operand 17112 states and 17541 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states 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 22:54:18,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:18,285 INFO L93 Difference]: Finished difference Result 33893 states and 34749 transitions. [2021-10-28 22:54:18,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:18,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 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 1272 [2021-10-28 22:54:18,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:18,312 INFO L225 Difference]: With dead ends: 33893 [2021-10-28 22:54:18,312 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 22:54:18,324 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 22:54:18,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 22:54:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-10-28 22:54:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.021974168663433) internal successors, (17487), 17111 states have internal predecessors, (17487), 0 states have call successors, (0), 0 states 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 22:54:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17487 transitions. [2021-10-28 22:54:18,666 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17487 transitions. Word has length 1272 [2021-10-28 22:54:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:18,669 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17487 transitions. [2021-10-28 22:54:18,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states 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 22:54:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17487 transitions. [2021-10-28 22:54:18,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2021-10-28 22:54:18,703 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:18,704 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2021-10-28 22:54:18,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 22:54:18,705 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:18,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1493056288, now seen corresponding path program 1 times [2021-10-28 22:54:18,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:18,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553004201] [2021-10-28 22:54:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:18,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3896 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-10-28 22:54:19,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:19,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553004201] [2021-10-28 22:54:19,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553004201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:19,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:19,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:19,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021176001] [2021-10-28 22:54:19,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:19,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:19,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:19,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:19,379 INFO L87 Difference]: Start difference. First operand 17112 states and 17487 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:54:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:20,827 INFO L93 Difference]: Finished difference Result 37183 states and 38042 transitions. [2021-10-28 22:54:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1320 [2021-10-28 22:54:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:20,845 INFO L225 Difference]: With dead ends: 37183 [2021-10-28 22:54:20,845 INFO L226 Difference]: Without dead ends: 18428 [2021-10-28 22:54:20,856 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 22:54:20,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-10-28 22:54:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 16454. [2021-10-28 22:54:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0203610283838813) internal successors, (16788), 16453 states have internal predecessors, (16788), 0 states have call successors, (0), 0 states 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 22:54:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16788 transitions. [2021-10-28 22:54:21,101 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16788 transitions. Word has length 1320 [2021-10-28 22:54:21,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:21,102 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16788 transitions. [2021-10-28 22:54:21,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:54:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16788 transitions. [2021-10-28 22:54:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2021-10-28 22:54:21,140 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:21,141 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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, 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] [2021-10-28 22:54:21,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 22:54:21,142 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:21,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:21,143 INFO L85 PathProgramCache]: Analyzing trace with hash 784935058, now seen corresponding path program 1 times [2021-10-28 22:54:21,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:21,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287927146] [2021-10-28 22:54:21,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:21,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3509 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2021-10-28 22:54:22,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:22,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287927146] [2021-10-28 22:54:22,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287927146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:22,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:22,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:22,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682949119] [2021-10-28 22:54:22,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:22,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:22,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:22,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:22,367 INFO L87 Difference]: Start difference. First operand 16454 states and 16788 transitions. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 22:54:23,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:23,589 INFO L93 Difference]: Finished difference Result 32248 states and 32912 transitions. [2021-10-28 22:54:23,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:23,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 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 1811 [2021-10-28 22:54:23,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:23,606 INFO L225 Difference]: With dead ends: 32248 [2021-10-28 22:54:23,606 INFO L226 Difference]: Without dead ends: 16454 [2021-10-28 22:54:23,615 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 22:54:23,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-28 22:54:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15467. [2021-10-28 22:54:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0177809388335703) internal successors, (15741), 15466 states have internal predecessors, (15741), 0 states have call successors, (0), 0 states 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 22:54:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15741 transitions. [2021-10-28 22:54:23,922 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15741 transitions. Word has length 1811 [2021-10-28 22:54:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:23,923 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15741 transitions. [2021-10-28 22:54:23,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 22:54:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15741 transitions. [2021-10-28 22:54:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1860 [2021-10-28 22:54:23,967 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:23,968 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:23,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 22:54:23,969 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1186956703, now seen corresponding path program 1 times [2021-10-28 22:54:23,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:23,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031137672] [2021-10-28 22:54:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:23,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 4035 proven. 0 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2021-10-28 22:54:25,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:25,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031137672] [2021-10-28 22:54:25,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031137672] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:25,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:25,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:25,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966793662] [2021-10-28 22:54:25,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:25,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:25,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:25,065 INFO L87 Difference]: Start difference. First operand 15467 states and 15741 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states 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 22:54:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:26,079 INFO L93 Difference]: Finished difference Result 30603 states and 31149 transitions. [2021-10-28 22:54:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:26,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 1859 [2021-10-28 22:54:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:26,094 INFO L225 Difference]: With dead ends: 30603 [2021-10-28 22:54:26,094 INFO L226 Difference]: Without dead ends: 15796 [2021-10-28 22:54:26,101 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 22:54:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-10-28 22:54:26,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-10-28 22:54:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.017283950617284) internal successors, (16068), 15795 states have internal predecessors, (16068), 0 states have call successors, (0), 0 states 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 22:54:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16068 transitions. [2021-10-28 22:54:26,352 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16068 transitions. Word has length 1859 [2021-10-28 22:54:26,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:26,353 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16068 transitions. [2021-10-28 22:54:26,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states 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 22:54:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16068 transitions. [2021-10-28 22:54:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1883 [2021-10-28 22:54:26,401 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:26,403 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:26,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 22:54:26,404 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:26,405 INFO L85 PathProgramCache]: Analyzing trace with hash -80094066, now seen corresponding path program 1 times [2021-10-28 22:54:26,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:26,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107911288] [2021-10-28 22:54:26,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:26,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6522 backedges. 3423 proven. 0 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2021-10-28 22:54:27,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:27,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107911288] [2021-10-28 22:54:27,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107911288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:27,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:27,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:27,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630419611] [2021-10-28 22:54:27,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:27,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:27,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:27,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:27,366 INFO L87 Difference]: Start difference. First operand 15796 states and 16068 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states 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 22:54:28,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:28,573 INFO L93 Difference]: Finished difference Result 34222 states and 34811 transitions. [2021-10-28 22:54:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 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 1882 [2021-10-28 22:54:28,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:28,595 INFO L225 Difference]: With dead ends: 34222 [2021-10-28 22:54:28,595 INFO L226 Difference]: Without dead ends: 19086 [2021-10-28 22:54:28,603 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 22:54:28,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2021-10-28 22:54:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 16783. [2021-10-28 22:54:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0168037182695746) internal successors, (17064), 16782 states have internal predecessors, (17064), 0 states have call successors, (0), 0 states 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 22:54:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17064 transitions. [2021-10-28 22:54:28,786 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17064 transitions. Word has length 1882 [2021-10-28 22:54:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:28,787 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17064 transitions. [2021-10-28 22:54:28,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states 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 22:54:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17064 transitions. [2021-10-28 22:54:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1924 [2021-10-28 22:54:28,827 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:28,828 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:28,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 22:54:28,829 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash -927463774, now seen corresponding path program 1 times [2021-10-28 22:54:28,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:28,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830096883] [2021-10-28 22:54:28,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:28,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 1843 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-10-28 22:54:30,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:30,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830096883] [2021-10-28 22:54:30,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830096883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:30,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:30,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:54:30,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232760099] [2021-10-28 22:54:30,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:54:30,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:30,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:54:30,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:54:30,129 INFO L87 Difference]: Start difference. First operand 16783 states and 17064 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states 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 22:54:32,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:32,152 INFO L93 Difference]: Finished difference Result 35536 states and 36134 transitions. [2021-10-28 22:54:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:54:32,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 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 1923 [2021-10-28 22:54:32,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:32,155 INFO L225 Difference]: With dead ends: 35536 [2021-10-28 22:54:32,155 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:54:32,165 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 22:54:32,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:54:32,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:54:32,166 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 22:54:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:54:32,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1923 [2021-10-28 22:54:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:32,167 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states 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 22:54:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:54:32,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:54:32,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:54:32,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 22:54:32,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:54:32,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:54:32,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:54:32,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:54:32,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:54:36,425 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,426 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,426 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,426 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,426 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,427 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,427 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,427 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,427 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,427 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,428 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,428 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,428 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,428 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,428 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,429 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 22:54:36,429 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 22:54:36,429 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 22:54:36,429 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,430 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,431 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,432 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,433 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,433 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,433 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,433 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,434 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,435 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,436 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,437 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,437 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 22:54:36,437 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,437 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 22:54:36,437 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 22:54:36,438 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 22:54:36,438 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,439 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,439 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,439 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,439 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,440 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,440 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,440 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,440 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,440 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,441 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 22:54:36,441 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 22:54:36,441 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,441 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 22:54:36,442 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,442 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,442 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,442 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,442 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,443 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,443 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,443 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,443 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,444 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,444 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,444 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,444 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,444 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,445 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,445 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,445 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,445 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 22:54:36,445 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,446 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 22:54:36,446 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 22:54:36,446 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,446 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,447 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,447 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,447 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,447 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,447 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,448 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,448 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,448 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,448 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,448 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 22:54:36,449 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 22:54:36,449 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,449 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 22:54:36,449 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,450 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 22:54:36,450 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,450 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,451 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,451 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,451 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,451 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,451 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,452 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,452 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:54:36,452 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,452 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,453 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,453 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,453 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,453 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,453 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 22:54:36,454 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,454 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 22:54:36,454 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 22:54:36,454 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,455 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-28 22:54:36,455 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,455 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,455 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,455 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,456 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,456 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,456 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,456 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,456 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,457 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,457 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,457 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 22:54:36,457 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,457 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 22:54:36,458 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,458 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 22:54:36,458 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,458 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,459 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,459 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,459 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,459 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,459 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,460 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,460 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,460 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,460 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,461 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,461 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,461 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,461 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,461 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,462 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 22:54:36,462 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 22:54:36,462 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 22:54:36,462 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:54:36,463 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2021-10-28 22:54:36,463 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-10-28 22:54:36,463 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,464 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,464 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,464 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,464 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,465 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,465 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,465 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,465 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,466 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,466 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,466 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,466 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,466 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,467 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 22:54:36,467 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,467 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 22:54:36,467 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 22:54:36,468 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,468 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,468 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,468 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,468 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,469 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,469 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,469 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,469 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,470 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,470 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,470 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,470 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-28 22:54:36,471 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,471 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,471 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,471 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,471 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,472 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 22:54:36,472 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 22:54:36,472 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 22:54:36,472 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,472 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,473 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,473 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,473 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,473 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,474 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,474 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,474 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,474 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,474 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,475 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,475 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,475 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 22:54:36,475 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,476 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 22:54:36,476 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 22:54:36,476 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,476 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,476 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,477 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,477 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,477 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,477 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,478 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,478 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,478 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,478 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,478 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,479 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,479 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,479 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 22:54:36,479 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 22:54:36,480 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 22:54:36,480 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,480 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,480 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,480 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,481 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,481 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,481 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,481 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,481 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,482 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,482 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,482 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,482 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,483 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,483 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 22:54:36,483 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,483 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 22:54:36,483 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 22:54:36,484 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,484 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,484 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,484 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,484 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,485 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,485 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,485 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,485 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,485 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,486 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,486 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,486 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,486 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,486 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 22:54:36,487 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 22:54:36,487 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 22:54:36,487 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,487 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,487 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,488 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,488 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,488 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,488 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,488 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,489 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,489 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,489 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,489 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,489 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,490 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,490 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:54:36,490 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,490 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 22:54:36,490 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 22:54:36,491 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,491 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,491 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,491 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,491 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,492 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,492 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,492 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,492 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,492 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,493 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,493 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,493 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 22:54:36,493 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 22:54:36,494 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,494 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,494 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,494 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,494 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,495 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,495 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,495 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,495 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,495 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,496 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,496 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,496 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,496 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,496 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,497 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,497 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 22:54:36,497 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 22:54:36,497 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,497 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,498 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,498 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,498 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,498 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,498 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,499 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,499 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,499 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:54:36,499 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,500 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,500 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 22:54:36,500 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 22:54:36,500 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,500 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,501 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,501 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,501 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,501 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,501 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,502 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,502 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,502 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,502 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,502 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,503 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,503 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,503 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,503 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,503 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,504 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 22:54:36,504 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 22:54:36,504 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,504 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,504 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,505 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,505 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,505 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,505 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-28 22:54:36,505 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,506 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,506 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,506 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 22:54:36,506 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:54:36,507 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,507 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,507 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-28 22:54:36,507 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 22:54:36,507 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 22:54:36,508 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 22:54:36,512 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] [2021-10-28 22:54:36,514 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:54:36,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:54:36 BoogieIcfgContainer [2021-10-28 22:54:36,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:54:36,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:54:36,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:54:36,577 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:54:36,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:39" (3/4) ... [2021-10-28 22:54:36,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:54:36,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 22:54:36,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 22:54:36,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:54:36,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:54:36,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:54:36,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:54:36,974 INFO L168 Benchmark]: Toolchain (without parser) took 63173.12 ms. Allocated memory was 100.7 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 54.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 674.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,974 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:36,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1666.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 54.2 MB in the beginning and 89.3 MB in the end (delta: -35.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.37 ms. Allocated memory is still 136.3 MB. Free memory was 89.3 MB in the beginning and 65.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,976 INFO L168 Benchmark]: Boogie Preprocessor took 214.94 ms. Allocated memory is still 136.3 MB. Free memory was 65.5 MB in the beginning and 86.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,977 INFO L168 Benchmark]: RCFGBuilder took 3238.23 ms. Allocated memory was 136.3 MB in the beginning and 220.2 MB in the end (delta: 83.9 MB). Free memory was 86.7 MB in the beginning and 148.7 MB in the end (delta: -62.0 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,977 INFO L168 Benchmark]: TraceAbstraction took 57398.99 ms. Allocated memory was 220.2 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 147.7 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 608.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,978 INFO L168 Benchmark]: Witness Printer took 395.88 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:36,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1666.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 54.2 MB in the beginning and 89.3 MB in the end (delta: -35.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 248.37 ms. Allocated memory is still 136.3 MB. Free memory was 89.3 MB in the beginning and 65.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 214.94 ms. Allocated memory is still 136.3 MB. Free memory was 65.5 MB in the beginning and 86.7 MB in the end (delta: -21.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3238.23 ms. Allocated memory was 136.3 MB in the beginning and 220.2 MB in the end (delta: 83.9 MB). Free memory was 86.7 MB in the beginning and 148.7 MB in the end (delta: -62.0 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57398.99 ms. Allocated memory was 220.2 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 147.7 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 608.3 MB. Max. memory is 16.1 GB. * Witness Printer took 395.88 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.8 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: 134]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.2s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5272 SDtfs, 5182 SDslu, 140 SDs, 0 SdLazy, 19312 SolverSat, 2789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17441occurred in iteration=13, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 8558 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 217 NumberOfFragments, 1069 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7245 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2820 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 18738 NumberOfCodeBlocks, 18738 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 18718 ConstructedInterpolants, 0 QuantifiedInterpolants, 34160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 47506/47506 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:54:37,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6356935a-2998-456f-84eb-deffab4a3d8a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...